Conference on Advanced Topics in Photonics (СATР‘2025)

Dear Colleagues,

We are excited to announce the upcoming second edition of the Conference on Advanced Topics in Photonics (CATP) 2025, set to take place again in the vibrant city of Sofia, Bulgaria, from 03 to 05 July 2025.

Join us for three days of engaging discussions and presentations covering various fields of photonics and optics, including laser physics, nonlinear optics, spectroscopy, quantum optics, metamaterials and materials processing, singular optics, and more. Don't miss this opportunity to extend your network and connect with leading experts, share your research results, and explore the latest advancements in photonics. Mark your calendars and stay tuned for further updates on the conference program and registration details.

We look forward to welcoming you again to CATP 2025!

GENERAL INFORMATION

On behalf of the organizing committee we are gladly inviting you to the Conference on Advanced topics in Photonics, which will be held in the capital city Sofia, Bulgaria.

The conference will feature sessions on cutting-edge research in photonics, covering a wide range of topics:

Laser physics
Nonlinear optics
Laser spectroscopy
Quantum optics
Optical metamaterials and plasmonics
Optical materials and processing
Singular optics
Other topics in photonics

DATES: The conference will be held from 03 to 05 July 2025 (Thu-Sat)

VENUE: Faculty of Physics, Sofia University, James Boucher 5, Sofia, Bulgaria.

For participants arriving in Sofia, we would be happy to help out with advice on the accommodation and how to get around in the city for best experience. Please check our reccomendations: “USEFUL LINKS AND ACCOMMODATION”

REGISTRATION

All participants are kindly asked to register and submit an abstract to catp25.sofia@gmail.com by 05 June 2025 . Please fill out our Registration form in .docx or .pdf format. The abstract template can be found here.

You will receive an acceptance notification by 10 June 2025 at the latest.

You are kindly asked to uphold the times given.

Important dates	Date
Registration open:	01 Mar 2025
Registration deadline:	20 May 2025
Abstract submission:	05 June 2025

Registration fees	Early bird - until 01 June 2025	Regular – after 01 June 2025
Regular participants	250 €	300 €
PhD students	150 €	200 €
Students	100 €	150 €

The conference fee gives access to all conference sessions + coffee breaks + lunches + conference materials + printed and digital digital version of the book of abstracts.

CONTRIBUTIONS

Please submit the abstract via email, following the instructions given. The abstract submission is until 05 June 2025.

Plenary Talk	Key Talk	Invited Talk	Poster
60 min	45 min	25 min	Poster

All participants who have chosen to present a poster at CATP’25 may do so in person (at conference venue: Faculty of Physics). In order to prepare the poster presentation, we inform that the maximal poster dimensions are A0, i.e. 84 cm (width) and 119 cm (height). Poster presenters are kindly asked to prepare a pdf version of their posters which will uploaded on the conference website.

All posters will participate in The BEST poster award competition. We are happy to announce that the 3 best posters will be awarded.

We kindy ask poster presenters at CATP’25 to send the .pdf poster file to catp25.sofia@gmail.com prior to attending the conference.