Yauhen Baravets, Ph.D.

Research interests:

Lasers, fiber and nonlinear optics

Professional activities:

2012 - today: Institute of Photonics and Electronics of the ASCR, v. v. i.
2007 – 2012: Research engineer, Laser and Information Technology Ltd., Minsk, Belarus

Education:

2013 – today: Ph.D study, Czech Technical University, FJFI
2002 – 2007: Master study, Belarusian National Technical University, Instrumentation engineering faculty.
                       Thesis: Development of single channel pulsed Nd:YAG laser source for precision welding

Current research projects:

Member of projects:

Selected past projects:

Member of projects:

• Diffractive optical elements for high power fiber lasers
• Mid-Infrared Radiation Generation, Delivery and Applications
• Novel optical fibers and their spectroscopy for fiber lasers operating beyond 2 μm

Publications:

Journal papers:

1. F. Todorov, J. Aubrecht, P. Peterka, O. Schreiber, A. A. Jasim, J. Mrázek, O. Podrazký, M. Kamrádek, N. Kanagaraj, M. Grábner, Y. Baravets, J. Cajzl, P. Koška, A. Fišar, I. Kašík, P. Honzátko "Active Optical Fibers and Components for Fiber Lasers Emitting in the 2-μm Spectral Range", Materials, 13, 5177 (2020). Link.
2. Pavel Honzatko, Yauhen Baravets, and Ashwin Kumar Myakalwar. Single-frequency fiber laser based on a fiber ring resonator filter tunable in a broad range from 1023 nm to 1107 nm. OPTICS LETTERS, 43(6):1339–1342, MAR 15 2018.
3. V. Puchy, F. Kovac, L. Falat, I. Petryshynets, R. Dzunda, M. Fides, M. Podobova, J. Mrazek, Y. Baravets, P. Honzatko, and S. Vytykacova. The effects of CO2 laser and thulium-doped fibre laser scribing on magnetic domains structure, coercivity, and nanohardness of Fe-3.2Si grain-oriented electrical steel sheets. KOVOVE MATERIALY-METALLIC MATERIALS, 56(6):389–395, 2018.
4. Martin Vanek, Jan Vanis, Yauhen Baravets, Filip Todorov, Jiri Ctyroky, and Pavel Honzatko. Anti-reflection and polarizing photonic structures for high-power fiber applications. In Kalli, K and Kanka, J and Mendez, A and Peterka, P, editor, MICRO-STRUCTURED AND SPECIALTY OPTICAL FIBRES V, volume 10232 of Proceedings of SPIE. SPIE, 2017. Conference on Micro-Structured and Specialty Optical Fibres V, Prague, CZECH RE-PUBLIC, APR 26-27, 2017.
5. Martin Vanek, Jan Vanis, Yauhen Baravets, Filip Todorov, Jiri Ctyroky, and Pavel Honzatko. Fiber facet gratings for high power fiber lasers. In Fliegel, K and Pata, P, editor, PHOTONICS, DEVICES, AND SYSTEMS VII, volume 10603 of Proceedings of SPIE. SPIE; Czech & Slovak Soc Photon; Action M Agcy; European Opt Soc, 2017. Conference on Photonics, Devices, and Systems VII, Prague, CZECH REPUBLIC, AUG 28-30, 2017.
6. Y. Baravets, P. Dvořák, F. Todorov, J. Čtyroký, P. Peterka, P. Honzátko „Broadly tunable laser based on novel metallic resonant leaky-mode diffraction grating”, Optics Express 4340, Vol. 28 (2020). Link
7. Martin Vanek, Jan Vanis, Yauhen Baravets, Filip Todorov, Jiri Ctyroky, and Pavel Honzatko, "High-power fiber laser with a polarizing diffraction grating milled on the facet of an optical fiber," Opt. Express 24, 30225-30233 (2016), link
8. Pavel Honzatko, Yauhen Baravets, Ivan Kasik, and Ondrej Podrazky, "Wideband thulium–holmium-doped fiber source with combined forward and backward amplified spontaneous emission at 1600–2300  nm spectral band," Opt. Lett. 39, 3650-3653 (2014)
9. M. Písařík, P. Peterka, S. Zvánovec, Y. Baravets, F. Todorov, I. Kašík, P. Honzátko, "Fused fiber components for “eye-safe” spectral region around 2 um," Optical and Quantum Electronics, vol. 46, pp. 603-611, 2014
10. P. Honzatko, Y. Baravets, F. Todorov, P. Peterka, and M. Becker, "Coherently combined 20 W at 2000 nm from a pair of thulium-doped fiber lasers", Laser Physics Letters, 10 (2013) 095104 (5pp) doi:10.1088/1612-2011/10/9/095104
11. P. Honzatko, Y. Baravets, F. Todorov, “A mode-locked thulium-doped fiber laser based on a nonlinear loop mirror,” Laser Phys. Lett. 10, 075103, 2013, doi: 10.1088/1612-2011/10/7/075103., http://iopscience.iop.org/1612-202X/10/7/075103

Conference papers:

1. Mrázek, J.,  Vařák, P.,  Aubrecht, J.,  Vytykáčová, S., Baravets, Y., Kašík, I.  Nanocrystalline Ceramic Luminophores for Short- and Mid-Infrared. In: 2020 22nd International Conference on Transparent Optical Networks (ICTON). 2020, p. 1-4. 
2. Pavel Honzátko, Yauhen Baravets, Shyamal Mondal, Pavel Peterka, Filip Todorov: Coherent sources for mid-infrared laser spectroscopy, Proc. SPIE 10142, 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 1014202 (2016); doi:10.1117/12.2263504, Link to SPIE site, 
3. Y.Baravets, P. Honzatko, F. Todorov, „Narrow band CW MIR generator based on the difference frequency generation in KTP crystal“, 2nd Annual Conference of COST Action MP1204 and International Conference on Semiconductor Mid-IR Materials and Optics SMMO2014, Philipps-University, Marburg, Germany, 26 February - 1 March, 2014