Personal Information |
Lyubomir Ivanov Stoyanov, Ph.D, Experimental researcher Department of Quantum electronics, Faculty of
Physics, Sofia University Address: 5 James Bourchier Blvd., 1164 Sofia,
Bulgaria Phone: ( +3592) 8161 798 |
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LIST OF PUBLICATIONS
А. PUBLICATIONS WITH PEER REVIEW PROCESS
1.
M. Zhekova, G. Maleshkov, L. Stoyanov, I. Stefanov, G. G. Paulus and A. Dreischuh, Formation of multi-spot focal arrays by square-shaped optical vortex
lattices, Optics Communications, (2019). https://doi.org/10.1016/j.optcom.2019.05.051
2.
S. Topuzoski, Lj. Janicijevic, L. Stoyanov, A. Dreischuh, Fraunhofer diffraction of a Gaussian beam by
a four-sector binary grating with a half period fringes shift between adjacent
sectors Optical and Quantum Electronics vol. 51: 71 (2019). https://doi.org/10.1007/s11082-019-1783-2
3.
L. Stoyanov, G. Maleshkov, M. Zhekova, I. Stefanov, G. G. Paulus and A. Dreischuh Controllable beam reshaping by mixing
square-shaped and hexagonal optical vortex lattices, Scientific Reports 9, Article # 2128 (2019). https://doi.org/10.1038/s41598-019-38608-5
4.
S. Topuzoski, Lj.
Janicijevic, L. Stoyanov, I. Stefanov, A. Dreischuh, Five-vortex spot patterns generated by
diffraction of azimuthally X-shaped beam from a fork-shaped grating Optics
Communications, 428, pp. 206-215 (2018). https://doi.org/10.1016/j.optcom.2018.07.059
5.
L. Stoyanov, G. Maleshkov, M. Zhekova, I. Stefanov, G. G. Paulus and A. Dreischuh Far-field
pattern formation by manipulating the topological charges of hexagonal optical
vortex lattices, Journal of Optics 20, 095601 (2018). https://doi.org/10.1088/2040-8986/aad30e
6.
L. Stoyanov, G. Maleshkov, M. Zhekova, I. Stefanov, D. N. Neshev,
G. G. Paulus and A. Dreischuh Far-field
pattern formation by manipulating the topological charges of square-shaped
optical vortex lattices, J. Opt. Soc. Am B 35, 402-409 (2018). https://doi.org/10.1364/JOSAB.35.000402
7.
N. Dimitrov, L.
Stoyanov, I. Stefanov, I. P. Christov, A. Dreischuh, Generation of high harmonics of coherent radiation in the extreme
ultraviolet spectral range in the low-intensity regime, Bulg. J. of
Physics, vol. 44,
pp. 99-108 (2017). http://www.bjp-bg.com/papers/bjp2017_2_099-108.pdf
8.
L. Stoyanov, N. Dimitrov, I. Stefanov, D. N. Neshev, and A.
Dreischuh, "Optical waveguiding by
necklace and azimuthon beams in nonlinear media," J. Opt. Soc. Am. B 34, 801-807 (2017). https://doi.org/10.1364/JOSAB.34.000801
9.
Lj. Janicijevic,
S. Topuzoski, L. Stoyanov, A. Dreischuh, Diffraction of a Gaussian beam by a four-sector binary grating with a
shift between adjacent sectors, Optics Communications, vol. 389, pp. 203-211 (2017). https://doi.org/10.1016/j.optcom.2016.12.041
10.
N. Dimitrov, L. Stoyanov, I. Stefanov, A. Dreischuh, P. Hansinger, and G. G. Paulus, Pulse front
tilt measurement of femtosecond laser pulses Optics Communications, vol. 371,
pp. 51-58 (2016). https://doi.org/10.1016/j.optcom.2016.03.054
11.
N. Dimitrov, L. Stoyanov, I. Stefanov, A. Dreischuh, P. Hansinger, and G. G. Paulus, Measuring the relation between pulse front tilt
angle and beam size for ultrashort pulses, Bulg. J. Phys., vol. 43,
pp. 21-29 (2016). http://www.bjp-bg.com/papers/bjp2016_1_021-029.pdf
12.
L. Stoyanov, S. Topuzoski, I. Stefanov, L. Janicijevic, A. Dreischuh, Far field
diffraction of an optical vortex beam by a fork-shaped grating, Optics
Communications, vol. 350, pp.
301-308 (2015). https://doi.org/10.1016/j.optcom.2015.04.020
13.
L. Stoyanov, G. Maleshkov, I. Stefanov, and A. Dreischuh, Initiating self-focusing of
beams carrying spatial phase singularities, J.
Opt. Soc. Am. B,
vol. 31, pp. 1159-1164 (2014). https://doi.org/10.1364/JOSAB.31.001159
B. PUBLICATIONS IN PROCEEDINGS OF SPIE
1.
L. Stoyanov, N. Gorunski, M. Zhekova, I. Stefanov, A. Dreischuh,
Vortex interactions revisited: Formation
of stable elementary cells for creation of rigid vortex lattices Proc.
SPIE 11047, 20th International Conference and School on Quantum Electronics:
Laser Physics and Applications, 110471D (29 January 2019); https://doi.org/10.1117/12.2516531
2.
N. Dimitrov, P.
Lazarova, L. Stoyanov; I. Stefanov, A. Dreischuh, Dispersion control in a folded 4-f system for shaping femtosecond laser
pulses. Proc. SPIE 10226, 19th International Conference and School on
Quantum Electronics: Laser Physics and Applications, 102261D (2017). https://doi.org/10.1117/12.2264705
3.
N. Dimitrov, L. Stoyanov, I. Stefanov, A. Dreischuh, P. Hansinger, and G. G. Paulus, Evaluation of
pulse front tilt measurement of femtosecond laser pulses, Proc. of SPIE vol. 9447, Art. # 94471E (2015). https://doi.org/10.1117/12.2180268
4.
G. Maleshkov, L. Stojanov, I. Stefanov, A.
Dreischuh, Controllable bright beam
self-focusing initiated by singular dark beams, Proc.
of SPIE vol.
8770, Art. # 87701H (2013). https://doi.org/10.1117/12.2012434
C. CONFERENCE
CONTRIBUTIONS
1.
L. Stoyanov, G. Maleshkov,
M. Zhekova, I. Stefanov, G. G. Paulus, and A. Dreischuh Far-field beam manipulating by mixing square-shaped and hexagonal
optical vortex lattices 20th International Conference and School on
Quantum Electronics: Laser Physics and Applications, Sept. 17-21,
2018, Nessebar, Bulgaria, (Poster PE13).
2.
L. Stoyanov, G.
Maleshkov, M. Zhekova, I. Stefanov, G. G. Paulus, and A. Dreischuh, Far-field
pattern formation by manipulating the topological charges of hexagonal optical
vortex lattices 20th International Conference and School on Quantum
Electronics: Laser Physics and Applications, Sept. 17-21, 2018, Nessebar,
Bulgaria (Poster PE16).
3.
M. Zhekova, L.
Stoyanov, G. Maleshkov, I. Stefanov, G. G. Paulus, and A. Dreischuh, Bessel-like
beam formation by annihilating the topological charges of optical vortices
20th International Conference and School on Quantum Electronics: Laser Physics
and Applications, Sept. 17-21, 2018, Nessebar, Bulgaria (Poster PE15).
4.
L. Stoyanov, G. Maleshkov, M. Zhekova, I. Stefanov, G. G. Paulus,
and A. Dreischuh, Far-field beam reshaping of square and hexagonal optical vortex
lattices by a second identical lattice 10th Jubilee Conference of the
Balkan Physical Union, Aug. 26-30, 2018, Sofia, Bulgaria (Poster P07-5).
5.
L. Stoyanov, N. Gorunski, I. Stefanov, and A. Dreischuh, Formation of stable elementary cells of
rigid optical vortex lattices 10th Jubilee Conference of the Balkan
Physical Union, Aug. 26-30, 2018, Sofia, Bulgaria (Poster P07-4).
6.
A. Dreischuh, L.
Stoyanov, G. Maleshkov, M. Zhekova, I. Stefanov, S. Topuzoski, Lj.
Janicijevic, P. Hansinger, G. G. Paulus, Manipulating
the topological charges of optical beams, 10th Jubilee Conference of the
Balkan Physical Union, Aug. 26-30, 2018, Sofia, Bulgaria (Oral Presentation).
7.
M. Zhekova, L.
Stoyanov, I. Stefanov, and A. Dreischuh, Bessel-like beam generation by manipulation of the topological charges
of optical vortices Humboldt Kolleg - Humboldtians and scientific progress
in the Central and East European countries, November 1618, 2017, Sofia,
Bulgaria (Oral Presentation).
8.
L. Stoyanov, G. Maleshkov, I. Stefanov, A. Dreischuh, Manipulation of the topological charges of
vortices within large optical vortex lattices: Far-field beam reshaping,
VI International School and Conference on Photonics PHOTONICA 2017, 28 August -
1 September 2017, Belgrade, Serbia (Poster O.P.2).
9.
L. Stoyanov, I. Stefanov, N. Dimitrov, and A. Dreischuh Arithmetics with topological charges of
optical vortices nested in large vortex lattices, IIIrd National
congress on physical sciences Sept. 29 - Oct 02, 2016, Sofia, Bulgaria. (Poster P08).
10.
N. Dimitrov, P.
Lazarova, L. Stoyanov, I. Stefanov, and A. Dreischuh Dispersion control of femtosecond laser
pulses in-and outside the laser cavity IIIrd National congress
on physical sciences Sept. 29 - Oct 02, 2016, Sofia, Bulgaria.
11.
L. Stoyanov, I. Stefanov, and A. Dreischuh Diffraction of a square-shaped optical vortex lattice by a second
vortex lattice, XIX-th International School and Conference on Quantum Electronics
"Laser Physics and Applications (ISCQE 2016), Sept. 26-30, 2016, Sozopol,
Bulgaria. (Poster PE1).
12.
N. Dimitrov, P.
Lazarova, L. Stoyanov, I. Stefanov, and A. Dreischuh Dispersion control in a folded 4-f system for shaping femtosecond laser
pulses XIX-th Internat. Conference and School on Quantum Electronics:
Lasers and Applications, Sept. 26 30, 2016, Sozopol, Bulgaria.
13.
S. Topuzoski, Lj.
Janicijevic, L. Stoyanov, I. Stefanov and A. Dreischuh
Five-vortex spots patterns generated
from azimuthally X-shaped beam
Winter College on Extreme Non-linear Optics, Attosecond Science and High-field
Physics", ICTP, Trieste, Italy (05-16.02.2016).
14.
S. Topuzoski, L.
Janicijevic, D. Cojoc, L. Stoyanov, I. Stefanov, and A. Dreischuh Optical vortex beams generated with
diffractive optical elements Internat. Workshop Advances in Nanophysics
and Nanophotonics, Magurele-Bucharest (Romania), 31 August-2 September, 2015
(invited talk).
15.
L. Stoyanov, I. Stefanov, N. Dimitrov, and A. Dreischuh Vortex
necklace beams: Self-focusing and guiding properties in SBN crystal,
PHOTONICA 2015 Vth International School and Conference on
Photonics, August 24-28, 2015, Belgrade, Serbia. (Poster P.NO.20).
16.
L. Stoyanov, S. Topuzoski, G. Maleshkov, I. Stefanov, L. Janicijevic, A. Dreischuh, Far-field diffraction of singular dark beams by computer-generated holograms with encoded optical
vortices, XVIII-th Internat. School on
Quantum Electronics:Lasers and Applications (ISQE
2014), Sept. 29 - Oct 03, 2014, Sozopol, Bulgaria. (Poster PE17).
17.
L. Stoyanov, S. Topuzoski, I. Stefanov, L. Janicijevic, A. Dreischuh, Fraunhofer diffraction of an optical vortex beam by fork-shaped grating, 23rd annual international
Laser Physics Workshop (LPHYS14), July 14-18 2014, Sofia, Bulgaria.
(Poster P1.8).
18.
L. Stoyanov, G. Maleshkov, I. Stefanov,
A. Dreischuh, Controllable self-focusing
of bright laser beam with spatial phase singularities, 41-st National conference on Physics education combined
with IInd national
congress on physical science 25-29 November 2013, Sofia, Bulgaria. (Oral Presentation).
19.
L. Stoyanov, G. Maleshkov, I. Stefanov,
A. Dreischuh, Self-focusing of beams
carrying spatial phase singularities, Control of
Quantum Dynamics of Atoms, Molecules and Ensembles by Light (CAMEL 9), June
16-21, 2013 Nesebar, Bulgaria (Oral Presentation).
20.
G. Maleshkov, L.
Stojanov, I. Stefanov, A. Dreischuh, Bright
beam self-focusing initiated by singular dark beams, XVII-th Internat.
School on Quantum Electronics: Laser and Applications (ISQE 2012), Sept. 24-28
2012, Nesebar, Bulgaria. (Poster PE13).