Home page of Alexander Dreischuh

Professor at the Dept. of Quantum Electronics ,

Faculty of Physics , Sofia University, Sofia, Bulgaria.

Terms of use

A. Articles in scientific journals

B. Articles in Proceedings of SPIE

    "Vortex interactions revisited: Formation of stable elementary cells for creation of rigid vortex lattices"
    L. Stoyanov, N. Gorunski, M. Zhekova, I. Stefanov, A. Dreischuh
    Proc. of SPIE vol. 11047, Art. # 110471D (2019). [PDF]
    "Dispersion control in a folded 4-f system for shaping femtosecond laser pulses"
    N. Dimitrov, P. Lazarova, L. Stoyanov, I. Stefanov, A. Dreischuh
    Proc. of SPIE vol. 10226, Art. # 102261D (2017). [PDF]
    "Extreme nonlinear optical processes with beams carrying orbital angular momentum"
    C. Kern, M. Zürch, P. Hansinger, A. Dreischuh, Ch. Spielmann
    Proc. of SPIE vol. 8984, Art. # 89841A (2014).
    "Controllable bright beam self-focusing initiated by singular dark beams"
    G. Maleshkov, L. Stojanov, I. Stefanov, A. Dreischuh
    Proc. of SPIE vol. 8770, Art. # 87701H (2013). [PDF]
    "Branching probe beams by fractional vortex dipoles: Guiding vs. anti-guiding"
    G. Maleshkov, P. Hansinger, N. Dimitrov, A. Dreischuh, G. G. Paulus
    Proc. of SPIE vol. 8770, Art. # 87701K (2013). [PDF]
    "Tuning the pulse duration, spectral position and bandwidth of femtosecond pulses by the beam’s penetration in an intracavity prism"
    N. Dimitrov, I. Stefanov, A. Dreischuh
    Proc. of SPIE vol. 7747, Art. # 77471K (2011). [PDF]
    "Degenerate four-wave mixing of optical vortices assisted by self-phase and cross-phase modulation"
    G. Maleshkov, P. Hansinger, I. L. Garanovich, D. Skryabin, D. N. Neshev, A. Dreischuh, G. G. Paulus
    Proc. of SPIE vol. 7747, Art. # 77471E (2011). [PDF]
    "Fractional vortex dipoles of edge-screw type in self-focusing Kerr nonlinear media"
    G. Maleshkov, P. Hansinger, A. Dreischuh, G. G. Paulus
    Proc. of SPIE vol. 7747, Art. # 77471P (2011). [PDF]
    "Self-focusing and filamentation of optical vortex beams: Spatio-temporal analysis"
    G. Maleshkov, D. N. Neshev, A. Dreischuh
    Proc. of SPIE vol. 7501, Art. # 75010G (2009). [PDF]
    "Bright beam deflection by steering of beams with mixed phase dislocations"
    G. Maleshkov, D. N. Neshev, A. Dreischuh
    Proc. of SPIE vol. 7027, Art. # 70271R (2008). [PDF]
    "Spatial chirp revisited: Matrix analysis of dispersionless optical systems and correct interferometric autocorrelation"
    N. Dimitrov, N. Chakarov, A. Dreischuh
    Proc. of SPIE vol. 7027, Art. # 70271K (2008). [PDF]
    "Optical lattices as nonlinear photonic crystals"
    D. N. Neshev, A. A. Sukhorukov, A. Mitchell, Ch. R. Rosberg, R. Fischer, A. Dreischuh, W. Z. Krolikowski, Yu. S. Kivshar
    Proc. of SPIE vol. 6604, Art. # 66041B (1-15) (2007). [PDF]
    "Frequency doubling in SBN crystal with random distribution of ferroelectric domain structure in the regime of thermal focussing"
    R. Fischer, S. Saltiel, D. Neshev, W. Krolikowski, A. Dreischuh, and Yu. Kivshar
    Proc. of SPIE vol. 6604, Art. # 66041F (1-5) (2007). [PDF]
    "Experimental reconstruction of a nonlocal nonlinear response function of a thermal medium"
    A. Minovich, K. Bezuhanov, D. Neshev, A. Dreischuh, W. Krolikowski, and Yu. Kivshar
    Proc. of SPIE vol. 6604, Art. # 66041U (1-5) (2007). [PDF]
    "Nonlocal solitons"
    W. Krolikowski, O. Bang, D. Briedis, A. Dreischuh, D. Edmundson, B. Luther-Davies, D. Neshev, N. Nikolov, D. E. Petersen
    Proc. of SPIE , vol. 5949, Art. # 59490B (10 pages) (2005). [PDF]
    "Two-dimensional nonlinear optically induced photonic lattices in photorefractive crystals"
    A. S. Desyatnikov, D. N. Neshev, R. Fischer, W. Krolikowski, N. Sagemerten, D. Träger, C. Denz, A. Dreischuh, Yu. S. Kivshar
    Proc. of SPIE , vol. 6023, pp. 123-130 (2005). [PDF]
    "Variational analysis of SPM- and IPM-based interactions in cubic non-local nonlinear media"
    G. Maleshkov, K. Besuhanov, A. Dreischuh
    Proc. of SPIE , vol. 5830, pp. 216-220 (2005). [PDF]
    "Phase dislocations in femtosecond laser fields"
    K. Besuhanov, A. Dreischuh, G. G. Paulus, M. G. Schätzel, H. Walther
    Proc. of SPIE , vol. 5830, pp. 206-210 (2005). [PDF]
    "Linear optics of dark beams with mixed phase dislocations"
    K. Besuchanov, A. Dreischuh
    Proc. of SPIE , vol. 5830, pp. 211-215 (2005). [PDF]
    "Vortices in femtosecond laser fields"
    K. Besuchanov, A. Dreischuh
    Proc. of SPIE , vol. 5449, pp. 111-115 (2004). [PDF]
    "Generation of lattices of optical vortices"
    A. Dreischuh, S. Chervenkov, D. Neshev, G. G. Paulus, and H. Walther
    Proc. of SPIE , vol. 5226, pp. 104-108 (2003). [PDF]
    "Dispersion control in a 100 kHz repetition rate 35-fs laser system"
    F. Lindner, M. Schätzel, F. Grasbon, A. Dreischuh, G.G. Paulus, and H. Walther
    Proc. SPIE, vol. 5226, pp. 38-43 (2003). [PDF]
    "Directional coupling and branching of optical signals by dark beams"
    S. Chervenkov, D. Neshev, G. G. Paulus, A. Dreischuh, H. Walther
    Proc. SPIE, vol. 4397, pp. 186-190 (2001). [PDF]
    "Multiple-charged optical vortex solitons: existence and stability in saturable Kerr-type nonlinear media"
    A. Dreischuh, G. G. Paulus, D. Neshev, F. Grasbon, H. Walther
    Proc. SPIE, vol. 4397, pp. 196-200 (2001). [PDF]
    "Nonlinear interaction of ring dark solitary waves with coaxial dark beams"
    A. Dreischuh, D. Neshev, S. Chervenkov, G. G. Paulus, F. Grasbon, H. Walther
    Proc. SPIE, vol. 4397, pp. 191-195 (2001). [PDF]
    "Stability of one-dimensional dark spatial solitons of finite second transverse extent"
    A. Dreischuh, T. Arabadjiev, D. Neshev, G.G. Paulus, F. Zacher, H. Walther
    Proc. SPIE, vol. 3571, pp. 169-173 (1999). [PDF]
    "Femtosecond interferometric autocorrelations in the presence of pulse front distortions"
    F. Grasbon, A. Dreischuh, F. Zacher, G.G. Paulus, H. Walther
    Proc. SPIE, vol. 3571, pp. 164-168 (1999). [PDF]
    "Guiding and switching by quasi-2D dark spatial solitons"
    D. Neshev, A. Dreischuh, S. Dinev, L. Windholz
    Proc. of SPIE, vol. 3052, pp. 212-217 (1996). [PDF]
    "Simultaneous shaping and shortening of nanosecond pulses"
    I. Buchvarov, A. Dreischuh, A. Iliev, S. Dinev, and S. Saltiel
    Proc.SPIE, vol. 2772, pp. 152-157 (1996). [PDF]
    "Topological-Charge Controlled Interaction Within Ordered Structures of Optical Vortex Solitons"
    M. Assa, I. Velchev, S. Dinev, D. Neshev, A. Dreischuh
    Proc. SPIE, vol. 3052, pp. 218-222 (1996). [PDF]
    "Time behaviour of the 7[3S] and 6[3P1] states after narrow band laser excitation of the 6[3P1] state of mercury"
    K. Blagoev, D. Gruber, A. Dreischuh, A. Morozov, U. Reiter-Domiaty and L. Windholz
    Proc. SPIE, vol. 3052, pp. 223-228 (1996). [PDF]
    "Experimental investigation of computer-synthesized holograms for generation of ring dark solitary waves and optical vortex solitons"
    D. Neshev, A. Dreischuh, V. Kamenov, I. Stefanov, S. Dinev, W. Fliesser and L. Windholz
    Proc. SPIE, vol. 3052, pp. 258-262 (1996). [PDF]
    "Pico- and femtosecond pulses in the UV and XUV"
    S. G. Dinev and A. A. Dreischuh
    Proc. SPIE, vol.1403, pp. 427-430 (1990). [PDF]

C. Full text conference contributions

    "Two dimensional dark spatial solitons"
    A. Dreischuh, S. Baluschev, I. Velchev, D. Neshev, S. Dinev and O. Marazov
    Proc. of the 8th Internat. School on Quantum Elåctronics "Lasers and Applications"
    Sept. 29 - Oct. 4., 1994, Varna, Bulgaria, pp.327-332.
    "Picosecond pulse shaping and shortening by spatial windowing of induced-deflected probe wave"
    S. Dinev, A. Dreischuh, S. Baluschev, and E. Eugenieva
    Technical Digest of the 4th European Quantum Electronics Conference, P.De Natale et al. (Eds)
    Sept. 10-13, 1993, Firenze, Italy, vol. I, pp. 244-247
    "Quadratic ring-shaped solitary waves"
    D. Neshev, M. Georgiev, A. Dreischuh, S. Dinev
    Advanced Photonics with Second-order Optically Nonlinear Processes, A. D. Boardman et al. (eds.)
    (Kluwer Academic Publishers, Netherlands,1999) pp. 205-208.
    "Propagation of ring dark solitary waves in saturable self-defocusing media"
    E. D. Eugenieva, A. A. Dreischuh
    Advanced Photonics with Second-order Optically Nonlinear Processes, A. D. Boardman et al. (eds.)
    (Kluwer Academic Publishers, Netherlands,1999) pp. 215-218.
    "Nonlinear Optical Properties of Atoms and Ions in the XUV"
    S. G. Dinev and A. A. Dreischuh
    Proc. of the XXVI-th Colloquium Spectroscopicum International CSI'89, Sofia, vol.VI, pp. 36-45(1989).

D. Conference contributions

    "Multi-spot focal pattern formation and beam reshaping by mixing square-shaped and hexagonal vortex lattices"
    L. Stoyanov, G. Maleshkov, M. Zhekova, I. Stefanov, G. G. Paulus, A. Dreischuh
    Internat. Conf. of Quantum, Nonlinear and Nanophotonics’2019 (ICQNN’2019) and Symposium on Nanomaterials and Nanotechnologies (SNN’2019) (Sept. 02-05.2019, Sofia, Bulgaria).
    "Controllable multi-spot focal arrays created by optical vortex lattices"
    L. Stoyanov, G. Maleshkov, M. Zhekova, I. Stefanov, G. G. Paulus and A. Dreischuh
    Humboldt-Kolleg “Science without Borders: Alexander von Humboldt's Concept in Today's World (Sept. 18-21, 2019, Varna, Bulgaria).
    "Inverted field interferometer for measuring the topological charge of optical vortices"
    N. Dimitrov, M. Zhekova, G. G. Paulus and A. Dreischuh
    VII International School and Conference on Photonics - PHOTONICA2019 (Aug. 26-30, 2019, Belgrade, Serbia).
    "Generation of zeroth- and first-order long range nondiffracting Gauss-Bessel beams by annihilating multiple-charged optical vortices"
    L. Stoyanov, M. Zhekova, A. Stefanov, I. Stefanov, G. G. Paulus and A. Dreischuh
    VII International School and Conference on Photonics - PHOTONICA2019 (Aug. 26-30, 2019, Belgrade, Serbia).
    "Far-field beam reshaping of square and hexagonal optical vortex lattices by a second identical lattice"
    L. Stoyanov, G. Maleshkov, M. Zhekova, I. Stefanov, G. G. Paulus, and A. Dreischuh
    10th Jubilee Conference of the Balkan Physical Union (Aug. 26-30, 2018, Sofia, Bulgaria).
    "Formation of stable elementary cells of rigid optical vortex lattices"
    L. Stoyanov, N. Gorunski, I. Stefanov, and A. Dreischuh
    10th Jubilee Conference of the Balkan Physical Union (Aug. 26-30, 2018, Sofia, Bulgaria).
    "Far-field beam manipulating by mixing square-shaped and hexagonal optical vortex lattices"
    L. Stoyanov, G. Maleshkov, M. Zhekova, I. Stefanov, G. G. Paulus, and A. Dreischuh
    20th International Conference and School on Quantum Electronics: Laser Physics and Applications (Sept. 17-21, 2018, Nessebar, Bulgaria).
    "Far-field pattern formation by manipulating the topological charges of hexagonal optical vortex lattices"
    L. Stoyanov, G. Maleshkov, M. Zhekova, I. Stefanov, G. G. Paulus, and A. Dreischuh
    20th International Conference and School on Quantum Electronics: Laser Physics and Applications (Sept. 17-21, 2018, Nessebar, Bulgaria).
    "Five-vortex spots patterns generated from azimuthally X-shaped beam"
    S. Topuzoski, Lj. Janicijevic, L. Stoyanov, I. Stefanov and A. Dreischuh
    Winter College on Extreme Non-linear Optics, Attosecond Science and High-field Physics", ICTP, Trieste, Italy (05-16.02.2016).
    "Bessel-like beam generation by manipulation of the topological charges of optical vortices"
    M. Zhekova, L. Stoyanov, I. Stefanov, and A. Dreischuh
    Humboldt Kolleg - Humboldtians and scientific progress in the Central and East European countries, November 16–18, 2017, Sofia, Bulgaria. (oral presentation)
    "Manipulation of the topological charges of vortices within large optical vortex lattices: Far-field beam reshaping"
    L. Stoyanov, G. Maleshkov, I. Stefanov, and A. Dreischuh
    PHOTONICA 2017 – VII-th Internat. School and Conference on Photonics, August 28-Sept. 1, 2017, Belgrade, Serbia.
    "Generation of coupled optical vortices by computer-constructed gratings"
    S. Topuzoski, Lj. Janicijevic, L. Stoyanov and A. Dreischuh
    Winter College on Optics: Advanced Optical Techniques for Bio-imaging, The Abdus Salam International Centre for Theoretical Physics (ICTPsmr 3104), Feb. 13-24, 2017, Trieste, Italy (oral presentation).
    "Arithmetics with topological charges of optical vortices nested in lager vortex lattices"
    L. Stoyanov, I. Stefanov, N. Dimitrov, and A. Dreischuh
    Third National Congress in Physical Sciences, 29.09.-02.10.2016, Sofia, Bulgaria.
    "Dispersion control of femtosecond laser pulses in-and outside the laser cavity"
    N. Dimitrov, P. Lazarova, L. Stoyanov, I. Stefanov, and A. Dreischuh
    Third National Congress in Physical Sciences, 29.09.-02.10.2016, Sofia, Bulgaria.
    "Dispersion control in a folded 4-f system for shaping femtosecond laser pulses"
    N. Dimitrov, P. Lazarova, L. Stoyanov, I. Stefanov, and A. Dreischuh
    XIX-th Internat. Conference and School on Quantum Electronics: Lasers and Applications, Sept. 26 – 30, 2016, Sozopol, Bulgaria.
    "Diffraction of square-shaped optical vortex lattice by a second vortex lattice"
    L. Stoyanov, I. Stefanov, and A. Dreischuh
    XIX-th Internat. Conference and School on Quantum Electronics: Lasers and Applications, Sept. 26 – 30, 2016, Sozopol, Bulgaria.
    "Optical vortex beams generated with diffractive optical elements"
    S. Topuzoski, L. Janicijevic, D. Cojoc, L. Stoyanov, I. Stefanov, and A. Dreischuh
    Internat. Workshop “Advances in Nanophysics and Nanophotonics”, Magurele-Bucharest (Romania), 31 August-2 September, 2015 (invited talk).
    "Vortex necklace beams: Self-focusing and guiding properties in SBN crystal"
    L. Stoyanov, I. Stefanov, N. Dimitrov, and A. Dreischuh
    PHOTONICA 2015 – V Internat. School and Conference on Photonics, August 24-28, 2015, Belgrade, Serbia.
    "Extreme Nonlinear Optical Processes with Beams Carrying Orbital Angular Momentum"
    C. Kern, M. Zürch, P. Hansinger, A. Dreischuh, and Ch. Spielmann
    Progress In Electromagnetics Research Symposium (PIERS)-2015, July 06-09, 2015, Prague, Czech Republic.
    "Extreme nonlinear optical processes with beams carrying orbital angular momentum"
    Ch. Spielmann, M. Zürch, C. Kern, P. Hansinger, and A. Dreischuh
    Photonics West - Ultrafast Phenomena and Nanophotonics XVIII, invited talk, 05.02.2014, 2014, San Francisco, USA.
    "Pulse front tilt measurement of femtosecond laser pulses"
    N. Dimitrov, L. Stoyanov, I. Stefanov, A. Dreischuh, P. Hansinger, and G. G. Paulus
    XVIII-th Internat. School on Quantum Electronics: Lasers and Applications, Sept. 29 – Oct. 3, 2014, Sozopol, Bulgaria.
    "Far- field diffraction of singular dark beams by computer-generated holograms with encoded optical vortices"
    L. Stoyanov, S. Topuzoski, G. Maleshkov, I. Stefanov, L. Janicijevic, and A. Dreischuh
    XVIII-th Internat. School on Quantum Electronics: Lasers and Applications, Sept. 29 – Oct. 3, 2014, Sozopol, Bulgaria.
    "Fraunhofer diffraction of an optical vortex beam by fork-shaped grating"
    L. Stoyanov, S. Topuzoski, I. Stefanov, L. Janicijevic, and A. Dreischuh
    23rd annual International Laser Physics Workshop LPHYS’14, July 14-18, 2014, Sofia, Bulgaria.
    "Extreme nonlinear optical processes with beams carrying orbital angular momentum"
    M. Zürch, C. Kern, P. Hansinger, A. Dreischuh, and Ch. Spielmann
    CLEO-Europe/IQEC'2013, Munich, Germany.
    "Extreme nonlinear optics with singular light beams carrying orbital angular momentum"
    M. Zürch, C. Kern, P. Hansinger, A. Dreischuh, and Ch. Spielmann
    International conference Ultrafast Optics, March 2013, Davos, Switzerland.
    "Bright beam self-focusing controlled by singular dark beams"
    L. Stoyanov, G. Maleshkov, I. Stefanov, A. Dreischuh
    IX-th International Workshop on Control of Quantum Dynamics of Atoms, Molecules and Ensembles by Light (CAMEL-IX) , June. 16-21, 2013, Nessebar, Bulgaria.
    "Highly nonlinear interaction of laser beams with angular orbital momentum"
    M. Zürch, C. Kern, P. Hansinger, A. Dreischuh, and Ch. Spielmann
    Abbe School of Photonics Workshop DOKDOK 2012 (Oct. 7-11, 2012, Jena, Germany).
    "Cascaded ultrashort optical vortex four-wave mixing"
    P. Hansinger, G. Maleshkov, D. N. Neshev, A. Dreischuh, G. G. Paulus
    XVII-th Internat. School on Quantum Electronics: Lasers and Applications, Sept. 24-28, 2012, Nessebar, Bulgaria.
    "Four-wave frequency mixing of pump beams carrying multi-charged optical vortices: Step towards singular optical (super)continuum"
    G. Maleshkov, P. Hansinger, D. N. Neshev, A. Dreischuh, G. G. Paulus
    XVII-th Internat. School on Quantum Electronics: Lasers and Applications, Sept. 24-28, 2012, Nessebar, Bulgaria.
    "Controllable bright beam self-focusing initiated by singular dark beams"
    G. Maleshkov, L. Stojanov, I. Stefanov, A. Dreischuh
    XVII-th Internat. School on Quantum Electronics: Lasers and Applications, Sept. 24-28, 2012, Nessebar, Bulgaria.
    "Branching probe beams by fractional vortex dipoles: Guiding vs. anti-guiding"
    G. Maleshkov, P. Hansinger, N. Dimitrov, A. Dreischuh, G. G. Paulus
    XVII-th Internat. School on Quantum Electronics: Lasers and Applications, Sept. 24-28, 2012, Nessebar, Bulgaria.
    "Generation of white-light optical vortices through cascaded four-wave mixing"
    P. Hansinger, G. Maleshkov, I. Garanovich, D. Skryabin, D.N. Neshev, Yu. S. Kivshar, A. Dreischuh, G. G. Paulus
    IQEC/CLEO Pacific Rim, 28.08-01.09.2011, Sydney, Australia. (Talk 4460-CT-3).
    "Generation of white-light optical vortices through four-wave mixing"
    P. Hansinger, G. Maleshkov, I. Garanovich, D. Skryabin, D. N. Neshev, Yu. S. Kivshar, A. Dreischuh, G. G. Paulus
    CLEO EUROPE/EQEC 2011, May 22-26, 2011, Munich, Germany. (art. no. 5943477).
    "Four-wave mixing of optical vortex beams"
    G. Maleshkov, P. Hansinger, G. G. Paulus, A. Dreischuh
    Meetings in Physics‘2011, Feb. 24, 2011, Sofia University, Sofia, Bulgaria.
    "Tuning femtosecond laser pulses and their correct autocorrelation measurement"
    N. Dimitrov, I. Stefanov, A. Dreischuh
    Meetings in Physics‘2011, Feb. 24, 2011, Sofia University, Sofia, Bulgaria.
    "Tuning the pulse duration, spectral position and bandwidth of femtosecond pulses by the beam’s penetration in an intracavity prism"
    N. Dimitrov, I. Stefanov, and A. Dreischuh
    XVI-th Internat. School on Quantum Electronics: Lasers and Applications, Sept. 20-24, 2010, Nessebar, Bulgaria.
    "Degenerate four-wave mixing of optical vortices assisted by self-phase and cross-phase modulation"
    G. Maleshkov, P. Hansinger, I. L. Garanovich, D. Skryabin, D. N. Neshev, A. Dreischuh, and G. G. Paulus
    XVI-th Internat. School on Quantum Electronics: Lasers and Applications, Sept. 20-24, 2010, Nessebar, Bulgaria.
    "Fractional vortex dipoles of edge-screw type in self-focusing Kerr nonlinear media"
    G. Maleshkov, P. Hansinger, A. Dreischuh, and G. G. Paulus
    XVI-th Internat. School on Quantum Electronics: Lasers and Applications, Sept. 20-24, 2010, Nessebar, Bulgaria.
    "Optical vortices in self-focusing Kerr nonlinear media"
    A. Dreischuh, D. N. Neshev, G. Maleshkov, P. Hansinger, M. Samoc, Yu. S. Kivshar, and G. G. Paulus
    International Conference “Light at Extreme Intensities: Scientific opportunities and technological issues of the Extreme Light Infrastructure” (LEI’2009),
    Oct. 16-21, 2009, Brasov, Romania.
    "Spatial chirp of ultrashort beam/pulse and correct interferometric autocorrelation"
    N. Gorunski, N. Dimitrov, A. Dreischuh
    International Conference on Ultrafast and Nonlinear Optics (UFNO’2009),
    Sept. 14-18, 2009, Burgas, Bulgaria.
    "Spatial control of multiple filamentation using optical vortices"
    P. Hansinger, A. Dreischuh, G. G. Paulus
    International Conference on Ultrafast and Nonlinear Optics (UFNO’2009),
    Sept. 14-18, 2009, Burgas, Bulgaria.
    "Crossed one-dimensional dark beams with step phase dislocations in self-focusing Kerr nonlinear media"
    G. Maleshkov, D. N. Neshev, A. Dreischuh
    International Conference on Ultrafast and Nonlinear Optics (UFNO’2009),
    Sept. 14-18, 2009, Burgas, Bulgaria.
    "Bright beam deflection by steering of beams with mixed phase dislocations"
    G. Maleshkov, D. N. Neshev, A. Dreischuh
    XV-th Internat. School on Quantum Electronics: Lasers and Applications,
    Sept. 15-18, 2008, Burgas, Bulgaria.
    "Spatial chirp revisited: Matrix analysis of dispersionless optical systems and correct interferometric autocorrelation"
    N. Dimitrov, N. Chakarov, A. Dreischuh
    XV-th Internat. School on Quantum Electronics: Lasers and Applications,
    Sept. 15-18, 2008, Burgas, Bulgaria.
    "Supercontinuum spatial gap solitons"
    A. A. Sukhorukov, D. N. Neshev, A. Dreischuh, R. Fischer, S. Ha, J. Bolger, L. Bui, W. Krolikowski, B. J. Eggleton, A. Mitchell, M. W. Austin, Yu. S. Kivshar
    Lasers and Electro-Optics, 2007 and the International Quantum Electronics Conference. CLEO-IQEC 2007,
    June 17-22, 2007, Munich, Germany, Page(s):1 – 1; Digital Object Identifier 10.1109/CLEOE-IQEC.2007.4386096.
    "Nonlocal response of optical thermal nonlinearity"
    A. Minovich, D. N. Neshev, A. Dreischuh, W. Krolikowski, Yu. S. Kivshar
    Lasers and Electro-Optics, 2007 and the International Quantum Electronics Conference. CLEO-IQEC 2007,
    June 17-22, 2007, Munich, Germany, Page(s):1 - 1 ISBN: 978-1-4244-0931-0; Digital Object Identifier: 10.1109/CLEOE-IQEC.2007.4386100.
    "Experimental characterization of nonlocal nonlinear media"
    A. Minovich, D. N. Neshev, W. Krolikowski, Yu. S. Kivshar, A. Dreischuh
    Internat. Conf. on Coherent and Nonlinear Optics (ICONO) 2007,
    May 28-June 1, 2007, Minsk, Belarus, Talk I-3.
    "Polychromatic Gap Solitons and Breathers in Nonlinear Waveguide Arrays"
    A. A. Sukhorukov, D. N. Neshev, A. Dreischuh, R. Fischer, S. Ha, W. Krolikowski, J. Bolger, B. J. Eggleton, A. Mitchell, M. W. Austin, and Y. S. Kivshar
    Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides (BGPP) Collocated with Nonlinear Photonics (NP),
    Quebec City, Canada, Sept. 2–6, 2007, paper JMB5.
    "Broadband frequency doubling in unpoled SBN crystals in the thermal focusing regime"
    S. Saltiel, R. Fischer, D. N. Neshev, A. Dreischuh, W. Krolikowski, Yu. S. Kivshar
    CLEO/QELS 2007 ,
    May 6-11, 2007, Baltimore, Maryland, USA.
    "Observation of Polychromatic Gap Solitons Generated by Supercontinuum Light"
    D. N. Neshev, A. A. Sukhorukov, A. Dreischuh, R. Fischer, S. Ha, W. Z. Krolikowski, J. Bolger, B. J. Eggleton, A. Mitchell, M. W. Austin, and Y. S. Kivshar
    CLEO/QELS 2007 ,
    May 6-11, 2007, Baltimore, Maryland, USA, paper QTuE3.
    "Techniques for characterization of pico- and femtosecond laser pulses"
    M. Paskalev, A. Gaydardjiev, H. Stoyanov, I. Stefanov, I. Buchvarov, I. Christov, A Dreischuh
    Meetings in Physics‘ 2007,
    Feb. 23, 2007, Sofia University, Sofia, Bulgaria.
    "Optical harmonics generation in SBN crystal with random ferroelectric domain structure"
    S. M. Saltiel, R. Fischer, D. N. Neshev, A. Dreischuh, W. Krolikowski, Yu. S. Kivshar
    OASIS - The 11th Meeting on Optical Engineering and Science in Israel,
    March 26-27, 2007, Tel-Aviv, Israel.
    "Spatio-Spectral Control of Supercontinuum Light"
    D. N. Neshev, A. A. Sukhorukov, A. Dreischuh, R. Fischer, S. Ha, Ch. R. Rosberg, W. Krolikowski, J. Bolger, B. J. Eggleton, A. Mitchell, M. W. Austin, Yu. S. Kivshar
    Organic Photonics and Electronics (OPE) 2006 paper: PDP-FC4, OSA Technical Digest (CD) (Optical Society of America, 2006).,
    "Observation of supercontinuum spatial gap solitons"
    D. N. Neshev, A. Dreischuh, R. Fischer, S. Ha, A. A. Sukhorukov, W. Krolikowski, Yu. S. Kivshar, J. Bolger, B. J. Eggleton, A. Mitchell
    V-th Workshop of the Centre for Ultrahigh Bandwidth Devices for Optical Systems (CUDOS, An ARC Centre of Excellence),
    Aug. 9-11, 2006, Hervey Bay, QLD, Australia.
    "Variational Analysis of Nonlinear Nonlocal Interactions"
    K. Besuhanov, G. Maleshkov, A. Dreischuh
    Alexander-von-Humboldt Foundation Conference "Advances in Physics and Astrophysics of the 21st Century",
    Sept. 6-11, 2005, Varna, Bulgaria.
    "Nonlinear photonic lattices induced by periodic phase modulation in a photorefractive nonlocal self-focusing medium"
    N. Sagemerten, D. Träger, J. Jägers, J. Imbrock, C. Denz, A. S. Desyatnikov, D. N. Neshev, Y. S. Kivshar, W. Krolikowski, A. Dreischuh
    X-th International Conference on Photorefractive Effects, Materials, and Devices ,
    July 19-23, 2005, Sanya, Hainan, P. R. China
    "Nonsequential double ionization by few-cycle laser pulses, and in molecular targets"
    W.Sandner, H. Rottke, E. Eremina, M. Boettcher, X. Liu, W. Becker, A. Dreischuh, F. Lindner, E. Goulielmakis, M.G. Schätzel, G. G. Paulus, H. Walther, F. Krausz, K.O. Keeffe, M. Lezius, R. Moshammer, and J. Ullrich
    XIV-th International Laser Physics Workshop,
    LPHYS’05, July 4-8, 2005, Kyoto, Japan.
    "Two-dimensional complex optically-induced nonlinear photonic lattices"
    N. Sagemerten, D. Trager, J. Imbrock, .C. Denz, A. S. Desyatnikov, D. N. Neshev, R. Fischer, A. Dreischuh, W. Krolikowski, and Yuri S. Kivshar
    CLEO/Europe-EQEC'2005,
    June 12-17, 2005, Munich, Germany.
    "Observation of attraction forces between dark solitons"
    D. N. Neshev, A. Dreischuh, W Krolikowski, and Ole Bang
    OSA Topical Meeting on Nonlinear Guided Waves and Their Applications,
    NLGW'2005, June 12-17, 2005, Munich, Germany.
    "Observation of attraction of dark solitons"
    D.E. Petersen, D. Neshev, W.Z. Krolikowski, A. Dreischuh, O. Bang
    CLEO/Europe-EQEC'2005,
    June 12-17, 2005, Munich, Germany.
    "Singular self-trapped periodic lattices in anisotropic photorefractive media"
    N. Sagemerten, D. Träger, J. Jägers, C. Denz, A. Desyatnikov, D. Neshev, R. Fischer, A. Dreischuh, W. Krolikowski, and Yu. Kivshar
    CLEO/Europe-EQEC'2005,
    June 12-17, 2005, Munich, Germany.
    "Phase dislocations in femtosecond laser fields"
    K. Besuhanov, A. Dreischuh, G. G. Paulus, M. G. Schätzel, H. Walther
    XIII-th Internat. School on Quantum Electronics: Lasers and Applications,
    Sept. 20-23, 2004, Burgas, Bulgaria.
    "Selection of atoms with specific velocity distributions"
    D. Georgiev, A. Dreischuh
    XIII-th Internat. School on Quantum Electronics: Lasers and Applications,
    Sept. 20-23, 2004, Burgas, Bulgaria.
    "Variational analysis of SPM- and IPM-based interactions in cubic non-local nonlinear media"
    G. Maleshkov, K. Besuhanov, A. Dreischuh
    XIII-th Internat. School on Quantum Electronics: Lasers and Applications,
    Sept. 20-23, 2004, Burgas, Bulgaria.
    "Linear optics of dark beams with mixed phase dislocations"
    K. Besuhanov, A. Dreischuh
    XIII-th Internat. School on Quantum Electronics: Lasers and Applications,
    Sept. 20-23, 2004, Burgas, Bulgaria.
    "Influence of molecular structure on double ionization of N2 and O2 by high intensity ultra-short laser pulses"
    E. Eremina, X. Liu, H. Rottke, W. Sandner, A. Dreischuh, M. Schätzel, G.G. Paulus, H. Walther, R. Moshammer, J. Ullrich
    CLEO/IQEC & Photonic Applications, Systems and Technologies (PhAST) Conf.,
    May 16-21, 2004/May 18-20, 2004, San Francisco, USA.
    "Strong field non-sequential atomic and molecular double ionization investigated close to and below the threshold for electron impact ionization"
    E. Eremina, X. Liu, H. Rottke, W. Sandner, A. Dreischuh, F. Lindner, F. Grasbon, G.G. Paulus, H. Walther, R. Moshammer, B. Feuerstein, J. Ullrich
    XXII Internat. Laser Physics Workshop ,
    LPHYS’03, Aug. 25-29, 2003, Hamburg, Germany.
    "Atomic double ionization in high intensity light pulses: Below the threshold for e- impact ionization"
    E. Eremina, X. Liu, H. Rottke, W. Sandner, A. Dreischuh, F. Lindner, F. Grasbon, G.G. Paulus, H. Walther, R. Moshammer, B. Feuerstein, J. Ullrich
    XXIII Internat. Conf. on Photonic, Electronic and Atomic Collisions,
    ICPEAC’2003, July 23-29, 2003, Stockholm, Sweden.
    "Corelation in strong field double ionization of molecules"
    X. Liu, E. Eremina, H. Rottke, W. Sandner, A. Dreischuh, F. Lindner, F. Grasbon, G.G. Paulus, H. Walther, R. Moshammer, J. Ullrich
    XXIII Internat. Conf. on Photonic, Electronic and Atomic Collisions,
    ICPEAC’2003, July 23-29, 2003, Stockholm, Sweden.
    "Phase dislocations in femtosecond laser fields"
    K. Besuchanov, A. Dreischuh
    VIII-th Internat. Conf. Laser and Laser Information Technologies: Fundamental Problems and Applications - ILLA'2003 / III-th Internat. Symposium on Laser Technologies and Laser
    LTL'2003, Sept. 27-Oct. 1, 2003, Smolyan, Bulgaria.
    "Correlation in two-electron emission in strong-field double ionization of molecules"
    X. Liu, E. Eremina, H. Rottke, W. Sandner, G.G. Paulus, A. Dreischuh, M. Schätzel, F. Grasbon, F. Lindner, H. Walther, R. Moshammer, F. Feuerstein, and J. Ullrich
    Fachvortrag A16.5, Fruhjahrstagung der DPG, Fachverband Physik
    24.-28.Marz 2003, Hannover, Deutschland
    "Nicht-sequentielle Doppelionisation in hochintensiven Laserpulsen: Elektronenimpulskorrelation an und unterhalb der "Schwelle" fur e- Stossionisation"
    E. Eremina, X. Liu, H. Rottke, W. Sandner, G.G. Paulus, A. Dreischuh, M. Schätzel, F. Grasbon, F. Lindner, H. Walther, R. Moshammer, F. Feuerstein, and J. Ullrich
    Fachvortrag A16.3, Fruhjahrstagung der DPG, Fachverband Physik
    24.-28.Marz 2003, Hannover, Deutschland
    "Strong-field non-sequential multiple ionization: At and far below the threshold for impact ionization"
    H. Rottke, E. Eremina, W. Sandner, A. Dreischuh, F. Lindner, F. Grasbon, G. G. Paulus, H. Walther, R. Moshammer, B. Feuerstein, J. Ullrich
    Technical Digest of Internat. Quant. Electron. Conf. IQEC'2002
     June 22-28, 2002, Moscow, Russia, p. 231 (invited).
    (a) "Periodic modulation of the refractive index by vortex-lattices"
    D. Neshev, A. Dreischuh, S. Chervenkov, G.G. Paulus, and H. Walther
    International workshop on nonlinear photonic crystals
    Copenhagen, Denmark (Oct. 25-26 2001), poster.
    (b) "Periodic modulation of the refractive index by vortex-lattices"
    D. Neshev, S. Chervenkov, A. Dreischuh, G.G. Paulus, and H. Walther
    Workshop "Photonic crystals down under"
    Canberra, Australia, (August 18-24, 2002), oral presentation of D. Neshev.
    "Ultrakurzpuls-Ti:Saphir-Laser mit 100 kHz Repetitionsrate"
    F. Lindner, M. G. Schätzel, W. Stremme, F. Grasbon, G. G. Paulus, A. Dreischuh, and H. Walther
    Poster A19.21, Fruhjahrstagung der DPG, Fachverband Physik 04.-08.Marz 2002, Osnabruck, Deutschland.
***Invited presentation of the same results at the Fruhjahrstagung der DPG (Osnabruck, 2002) as Poster Nr. Q434.31.
    "Doppelionisation von N2 Molekulen in intensiven ultrakurzen Lazerpulsen"
    E. Eremina, H. Rottke, W. Sandner, A. Dreischuh, F. Lindner, F. Grasbon, G.G. Paulus, H. Walther, R. Mosshammer, B. Feuerstein, J. Ullrich
    Poster A18.8, Fruhjahrstagung der DPG, Fachverband Physik 04.-08.Marz 2002, Osnabruck, Deutschland
    "Nicht-sequentielle Doppelionisation von Ar und Ne in 30 fs-Laserpulsen: Lichtintensitat an und weit unter der Schwelle fur direkte Sto?ionisation"
    E. Eremina, H. Rottke, W. Sandner, A. Dreischuh, F. Lindner, F. Grasbon, G.G. Paulus, H. Walther, R. Mosshammer, B. Feuerstein, J. Ullrich
    invited talk A1.3 presented from E. Eremina in HS15/E10, Fruhjahrstagung der DPG, Fachverband Physik 04.-08.Marz 2002, Osnabruck, Deutschland.
    "Klassische und quantenmechanische Effekte on Above-threschold Ionization"
    G. Paulus, F. Zacher, F. Grasbon, A. Dreischuh, H. Walther
    Deutsche Physikalische Gesellschaft, Fruehjahrstagung 1999 (Heidelberg); Fachvortrag SYLF3.5.
    "Energy pooling in Sr revisited: Consideration of the associative ionization process"
    D. Gruber, S. Dinev, A. Dreischuh, U. Reiter-Domiaty, and L. Windholz
    28-th EGAS Conference, July 16-19, 1996, Graz, Austria paper C4-03,
    Europhysics Conference Abstracts 20D, pp. 238-239.
    "Multiple-charged optical vortex solitons"
    G. Paulus, F. Grasbon, H. Walther, A. Dreischuh
    CLEO/EUROPE Focus Meeting on Novel Lasers and Devices - Basic Aspects, Lasers'99
    (Muenchen, Deutschland, Juni 14-18, 1999).
    "Spectral and spatial evolution of a conical emission in Na vapors"
    D. Gruber, A. Dreischuh, V. Kamenov, U. Reiter-Domiaty, L. Windholz, S. Dinev
    VI-th Laser Interactions Conference - Crete LIC-C'96
    May 29-31, 1996, Heraklion, Crete, Greece.
    "Nonlinear alignment between conical emissions in dense atomic vapors"
    S. Dinev, A. Dreischuh, U. Reiter-Domiaty, D. Gruber, L. Windholz
    28-th EGAS Conference, July 16-19, 1996, Graz, Austria, paper C4-02,
    Europhysics Conference Abstracts 20D, pp. 236-237.
    "Experimental investigation of dark spatial solitons"
    S. Balushev, S. Dinev, A. Dreischuh, D. N. Neshev, I. Veltchev, O. Marazov
    First Symposium on Nonlinear Phenomena and Solitons,
    Sofia, June 21-22, 1994 (invited talk; 21.06.94; 10:15-10:35h).
    "Numerical modeling of the generation and interaction of dark spatial solitons"
    A. Dreischuh, I. Veltchev, D. N. Neshev, S. Balushev, S. Dinev
    First Symposium on Nonlinear Phenomena and Solitons,
    Sofia, June 21-22, 1994 (invited talk; 21.06.94; 9:55-10:15h).
    "One- and two-dimensional dark spatial solitons"
    S. Dinev, A. Dreischuh, S. Balushev, I. Veltchev, D. N. Neshev
    First Symposium on Nonlinear Phenomena and Solitons,
    Sofia, June 21-22, 1994 (invited talk; 21.06.94; 9:15-9:55h).
    "Optimal conditions for an all-optical laser beam deflection"
    S. Baluschev, S. Dinev, A. Dreischuh and N. Goutev
    General Conference of the Balkan Physical Union
    Sept. 12-14, 1994, Izmir, Turkey, paper CMP137, p. 41
    "Analysis of an alternative approach for constructing a parallel all-optical data transmission line"
    A. Dreischuh, E. Eugenieva and S. Dinev
    International Conf. on Optical Computing,
    Aug. 22-25, 1994, Edinburgh, UK, paper MP61, pp. 149-150
    "Optical beam/pulse deflection and shaping"
    S. Dinev, A. Dreischuh, S. Baluschev and E. Eugenieva
    Jahrestagung der Osterreichischen Physikalischen Gesellschaft,
    Sept. 20-21, 1993, Graz, Austria, Fachvortrag AMP-FV11.
    "Spatio-temporal symbioticity of laser beams/pulses in resonant nonlinear media"
    A. Dreischuh, S. Dinev and S. Baluschev
    25-th Conf. of EGAS,
    July 13-16, 1993, Caen, France Europhysics Conference Abstracts 17D, paper P2-095.
    "Beam deflection and pulse shaping and shortening in atomic gases and absorptive liquids"
    S. Dinev, A. Dreischuh, S. Baluschev and E. Eugenieva
    25-th Conf. of EGAS, July 13-16, 1993,
    Caen, France, Europhysics Conference Abstracts 17D, paper P2-094.
    "Novel methods for pulse duration measurement based on self/induced phase modulation"
    A. A. Dreischuh, S. G. Dinev, E. Eugenieva and D. I. Kavaldjiev
    European Research Conference on Quantum Optics,
    Sept. 26 - Oct. 1, 1992, Davos, Schwitzerland (poster).
    "Modeling an all-optical streak camera"
    A. A. Dreischuh, S. G. Dinev and D. I. Kavaldjiev
    14-th Symposium on Photonic ìeasurements,
    June 1-3, 1992, Sopron, Hungary, p. 44.
    "Induced waveguiding of laser beams"
    S. G. Dinev and A. A. Dreischuh
    XIV-th International Conf. on Coherent and Nonlinear Optics ICONO'91,
    Sept. 24-27, St. Petersburg, Russia, pp. 152-153.
    "Pico- and femtosecond pulses in the UV and XUV"
    S. G. Dinev and A. A. Dreischuh
    Internat. Conf. on Laser Applications in Life Sciences LALS'90
    Aug. 27-31, Moscow, Russia .
    "Up-conversion of femtosecond pulses in a hollow waveguide"
    S. G. Dinev and A. A. Dreischuh
    IV-th National Conf. And Technical Exhibition with International Participation "Lasers and Their Applications" ,
    Oct. 23-26, 1990, Plovdiv, Bulgaria, p. 100.
    "Phase modulation and pulse compression in the 5p6- transition of Xe I"
    S. G. Dinev and A. A. Dreischuh
    22-nd Conf. of EGAS,
    July 10-13, 1990, Upsala, Sweeden .
    "Nonlinear optical properties of atoms and ions in the XUV"
    S. G. Dinev and A. A. Dreischuh
    X-th School on Coherent Optics "Quantum Optics III",
    Sept. 18-26, 1989, Ustron, Poland, p. 21.

E. Internal reports

    "Energy-pooling and Associative Ioniozation Involving Sr (51P1) and Sr (41D2) levels"
    D. Gruber, A. Dreischuh, U. Reiter-Domiaty, S. Dinev, L. Windholz
    Inst. fur Experimentalphysik, Technische Universitat Graz, Interne Berichte, Heft 28 (Nov. 1996).
    "Conical and Collimated Emission in Dense Sodium Vapour"
    U. Reiter-Domiaty, D. Gruber, K. Iskra, R. Polly, L. Windholz, A. Dreischuh, V. Kamenov
    Inst. fur Experimentalphysik, Technische Universitat Graz, Interne Berichte, Heft 31 (Aug. 1997).

F. Translation in Bulgarian

    Wolfgang Demtroder, Laser-Spektroskopie: Grundlagen und Anwendungen, 2nd Ed., Springer-Verlag (Berlin, Heidelberg, New York), ISBN 3-540-52601-3
    To be published

G. Some invited talks

    "Far-Field Beam Shaping By Singular Optical Lattices"
    A. Dreischuh
    High Intensity Coherent Nonlinear Optics (HICONO) Network Fellow Meeting (June 20, 2019, Nessebar, Bulgaria).
    “The light, the lasers, and the Nobel prices in physics for 2019”
    A. Dreischuh
    The first of a series of lectures “The World of Physics Life” (Feb. 14, 2019, Sofia City Library, Sofia, Bulgaria).
    *** The same talk is presented at the 47-th National conference devoted to the problems of the education in physics (April 4-7, 2019, Veliko Tarnovo, Bulgaria);
    *** ***The same talk is presented at the July Seminar of the Bulgarian Physical Union “Modern Trends in Physics (July 4, 2019, Faculty of Physics, Sofia University, Sofia, Bulgaria)
    "Far-field beam reshaping by optical vortices and vortex lattices"
    L. Stoyanov, G. Maleshkov, M. Zhekova, I. Stefanov, A. Dreischuh, S. Topuzoski, Lj. Janicijevic, P. Hansinger, and G. G. Paulus
    12th International Conference of the Society of Physicists of Macedonia (12-th CSPM) (Sept. 27-30, 2018, Ohrid, Macedonia).
    "Manipulating the topological charges of singular optical beams"
    A. Dreischuh, L. Stoyanov, G. Maleshkov, M. Zhekova, I. Stefanov, S. Topuzoski, Lj. Janicijevic, P. Hansinger and G. G. Paulus
    10th Jubilee Conference of the Balkan Physical Union (Aug. 26-30, 2018, Sofia, Bulgaria).
    "Azimuthons, vortices, and vortex lattices: Phase aspects"
    L. Stoyanov, G. Maleshkov, N. Dimitrov, I. Stefanov, A. Dreischuh,S. Topuzoski, L. Janicijevic, G. G. Paulus, D. N. Neshev
    4th NANOPHI consortium meeting, Fraunhofer Institute of Applied Optics, Campus Beutenberg, Jena, Germany, June 30, 2017.
    Series of three lectures on “Singular optics basics”
    A. Dreischuh
    Seminar of the Department of Nonlinear Optics, Faculty of Physics and Astronomy, Friedrich-Schiller-University Jena, Germany.
    Lecture 1: Optical vortices, vortex lattices and azimuthons: Past, present and future.
    Lecture 2: Topological charge control in optical vortex lattices.
    Lecture 3: Hollow vortex phase plate as a filter for high-harmonic beams.
    "Optical communication: Principles"
    A. Dreischuh
    Summer school on photonics for teachers in physics, July 13-16, 2015, Faculty of Physics, Sofia University, Sofia, Bulgaria.
    "Characteristics, interactions and control of optical vortices and vortex lattices."
    G. Maleshkov, N. Dimitrov, L. Stoyanov, I. Stefanov, A. Dreischuh, P. Hansinger, G. G. Paulus, S. Topuzoski, and L. Janicijevic
    Internat. Workshop “Advances in Nanophysics and Nanophotonics”, Magurele-Bucharest (Romania), 31 August-2 September, 2015.
    "Optics in the physics student education at physics faculties in Bulgaria."
    T. Eftimov, A. Dreischuh
    43-th National conference devoted to the problems of the education in physics, Blagoevgrad, Bulgaria, April 2-5, 2015.
    "Singular optics revisited: Algebraic operations with topological charges of optical vortices."
    A. Dreischuh
    Plenary talk at the 23rd annual International Laser Physics Workshop LPHYS’14, July 14-18, 2014, Sofia, Bulgaria).
    "Corpuscular, wave, and quantum theory ot light - Evolution of the ideas."
    A. Dreischuh, I. Lalov
    Summer school on nanotechnologies, July 7-11, 2014, Faculty of Physics, Sofia University, Sofia, Bulgaria.
    "Singular Optics? It is very simple."
    A. Dreischuh
    July lectures of the Bulgarian Physical Union "Modern Trends in Physics and in Natural Sciences", July 2-5, 2013, Faculty of Physics, Sofia University, Sofia, Bulgaria.
    Series of four lectures on “Introduction to singular nonlinear optics”
    A. Dreischuh
    Abbe School of Photonics of the Friedrich-Schiller-University Jena, Oct. 21- Nov. 8, 2011, Jena, Germany.
    Lecture 1: Linear vs. nonlinear optics. Optical solitons.
    Lecture 2: Singular optical beams. Dark optical solitons - physics and applications.
    Lecture 3: Interactions between optical solitons.
    Lecture 4: Polychromatic spatial solitons.
    "Femtosecond white-light optical vortices"
    A. Dreischuh
    Seventh International Workshop on Control of Quantum Dynamics of Atoms, Molecules and Ensembles by Light (CAMEL-VII), July 3-9, 2011, Nessebar, Bulgaria.
    "Light emission in the optical communication systems"
    A. Dreischuh
    Seminar for young scientists of the Institute of Electronics, Bulgarian Academy of Sciences, Feb. 23, 2011, Sofia, Bulgaria.
    "Polychromatic optical vortices and vortex solitons"
    A. Dreischuh
    Seminar of the Institute of Optics and Quantum Electronics, Nov. 3, 2010, Friedrich-Schiller-University, Jena, Germany.
    "Discrete diffraction and discrete polychromatic solitons"
    A. Dreischuh
    Faculty seminar of the Faculty of Physics, Sofia University, Sofia, Bulgaria, May 3, 2010.
    "Nobel prices in physics for 2009"
    A. Dreischuh
    XXXVIII-th National conference devoted to the problems of the education in physics, Lovech, Bulgaria, April 8-11, 2010.
    The same presented at the
    July Seminar of the Bulgarian Physical Union “Modern trends in Physics”, July 5, 2010, Faculty of Physics, Sofia University, Sofia, Bulgaria.
    "Optical vortices in self-focusing Kerr nonlinear media"
    A. Dreischuh
    Fifth International Workshop on Control of Quantum Dynamics of Atoms, Molecules and Ensembles by Light (CAMEL-V), Nessebar, Bulgaria, June 23-28, 2009.
    "Femtosecond and polychromatic optical vortices"
    A. Dreischuh
    II-nd Alexander-von-Humboldt Foundation Conference "Modern Trends in Mathematics, Physics and Astrophysics", Varna, Bulgaria, Sept. 5 - 9, 2008.
    "Fast, faster ... femtosecond laser pulse"
    A. Dreischuh
    July lectures of the Bulgarian Physical Union "Modern Trends in Physics", Faculty of Physics, Sofia University, Sofia, Bulgaria, June 30 - July 4, 2008.
    "Femtosecond lasers in the singular optics"
    A. Dreischuh
    XXXI-st Australian Conference on Optical Fibre Technology and Meeting of the Australian Optical Society (ACOFT&AOS), RMIT, Melbourne, Australia, July 10-13, 2006.
    "Femtosecond optical vortices"
    A. Dreischuh, K. Bezuhanov, G. G. Paulus, M. G. Schätzel, H. Walther, D. Neshev, W. Krolikowski, and Yu. S. Kivshar
    International Conf. "Advances in Physics and Astrophysics of the 21st Century", Varna, Bulgaria, Sept. 8, 2005.
    "Sofia Optical Vortices"
    A. Dreischuh
    Nonlinear Physics Seminar, Research Schoool of Physical Sciences and Engineering, The Australian National University, Canberra, Australia, Nov. 10, 2004.
    "Zweidimensionale dunkle raumlichre Solitonen"
    A. Dreischuh
    Ringberg Tagung der Max-Planck-Institut fur Quantenoptik und der Sektion Physik der Universitat Munchen,     9. Februar 1998.
    "Zweidimensionale dunkle raumlichre Solitonen"
     A. Dreischuh
    Ringberg Tagung der Max-Planck-Institut fur Quantenoptik und der Sektion Physik der Universitat Munchen,     3. Marz 1997.
    "Optical vortex solitons and dark ring solitary waves in bulk Kerr nonlinear media"
     A. Dreischuh
    Institut fur Experimentalphysik der Technischen Universitat Graz (Austria), April 1996.
    "Nonlinear beam/pulse propagation in bulk third-order nonlinear media"
     A. Dreischuh
    Institut fur Experimentalphysik der Technischen Universitat Graz (Austria), Dezember 1994.