ITMO University Saint Petersburg National Research University of Information Technologies, Mechanics and Optics

Pavel Loiko

Pavel Loiko

Ph.D.

Position:

Senior Researcher

Education

Ph.D. in Optics

Belarusian State University (BSU)
Thesis:
Anisotropy of thermo-optical properties and thermal distortions of potassium rare-earth double tungstate laser crystals

M.Sc. in Optics

Belarusian National Technical University (BNTU), Laser Technology Department

Specialist in Optics

Belarusian State University (BSU), Laser Physics and Spectroscopy Department

Experiences

Full-time positions:

Sep. 2009 - Sep. 2015: Center for Optical Materials and Technologies (COMT), Belarusian National Technical University (BNTU), Minsk, Belarus: Junior Researcher (from Sep. 2009); Senior Researcher (from Jan. 2013); Head of Nanophotonics Division (from Jun. 2014).

Sep. 2013 - Sep. 2015: Department of Atomic-Molecular Physics, Belarusian State University (BSU), Minsk, Belarus: Docent (teaching position).

Oct. 2015 - Sep. 2016: RELID group, Department of Materials and Nano Physics (MNF), KTH - Royal Institute of Technology, Stockholm, Sweden: Post-Doctor (employed within ERC advanced grant of Prof. M. Pollnau).

Oct. 2016 - present: ITMO University, St. Petersburg, Russia: Senior Researcher (employed within the ITMO Fellowship scheme, personal grant)

Visiting researcher:

Física i Cristallografia de Materials i Nanomaterials (FiCMA-FiCNA), Universitat Rovira i Virgili (URV), Tarragona, Spain (Feb., Jun., and Nov. 2014; Feb., May, and Nov. 2015; Jul. and Nov. 2016).

• NEEL Institute, CNRS, Grenoble, France (Oct. 2014).

• Max-Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (MBI), Berlin, Germany (Jun. 2015; May 2016; Mar. 2017).

Research interests

Spectroscopy of novel oxide and fluoride anisotropic crystals doped with rare-earth ions

Microchip, waveguide and thin-disc lasers

Carbon nanostructures (graphene, SWCNTs), 2D materials

Nanophase glass-ceramics doped with transition-metal ions

Stresses and thermo-optic effects in laser crystals

Crystal optics of biaxial crystals

  1. Pavel Loiko, Xavier Mateos, Elena Dunina, Alexey Kornienko, Anna Volokitina, Elena Vilejshikova, Josep Maria Serres, Alexander Baranov, Konstantin Yumashev, Magdalena Aguiló, Francesc Díaz. Judd-Ofelt modelling and stimulated-emission cross-sections for Tb 3+ ions in monoclinic KYb(WO 4 ) 2 crystal. Journal of Luminescence, 3(4) 2-190 (2017)
  2. Pavel Loiko, Alexander Belyaev, Olga Dymshits, Iliya Evdokimov, Vladimir Vitkin, Kima Volkova, Marina Tsenter, Anna Volokitina, Mikhail Baranov, Elena Vilejshikova, Alexander Baranov, Alexander Zhilin. Synthesis, characterization and absorption saturation of Co:ZnAl 2 O 4 (gahnite) transparent ceramic and glass-ceramics: A comparative study. Journal of Alloys and Compounds, 2(4) 725-998 (2017)
  3. Sergei Kurilchik, Pavel Loiko, Anatol Yasukevich, Vyacheslav Trifonov, Anna Volokitina, Elena Vilejshikova, Viktor Kisel, Xavier Mateos, Alexander Baranov, Oleg Goriev, Nikolay Kuleshov, Anatoly Pavlyuk. Orthorombic Yb:Li2Zn2(MoO4)3—a novel potential crystal for broadly tunable lasers. Laser Physics Letters, 2(2) 4-3 (2017)
  4. Konstantin Yumashev, Pavel Loiko. Thermal stress and end-bulging in monoclinic crystals: the case study of double tungstates. Applied Optics, 56(13) 3857-3866 (2017)
  5. A.P. Voitovich, P.A. Loiko, X. Mateos, L.P. Runets, J.M. Serres, A.P. Stupak. Photoluminescence behavior of surface radiation induced color centers in lithium fluoride and influence of nanosized clusters. Journal of Luminescence, 188 75-80 (2017)
  6. P. Loiko, E.V. Vilejshikova, A.A. Volokitina, V.A. Trifonov, J.M. Serres, X. Mateos, N.V. Kuleshov, K.V. Yumashev, A.V. Baranov, A.A. Pavlyuk. Growth, structure, Raman spectra and luminescence of orthorombic Li 2 Mg 2 (MoO 4 ) 3 crystals doped with Eu 3+ and Ce 3+ ions. Journal of Luminescence, 188 154-161 (2017)
  7. J.M. Serres, X. Mateos, P. Loiko, U. Griebner, V. Petrov, K. Yumashev, M. Aguiló, F. Díaz. Indium-modified Yb:KLu(WO4)2 crystal: Growth, spectroscopy and laser operation. Journal of Luminescence, 183 391-400 (2017)
  8. Esrom Kifle, Xavier Mateos, Javier Rodríguez Vázquez de Aldana, Airan Ródenas, Pavel Loiko, Sun Yung Choi, Fabian Rotermund, Uwe Griebner, Valentin Petrov, Magdalena Aguiló, Francesc Díaz. Femtosecond-laser-written Tm:KLu(WO_4)_2 waveguide lasers. Optics Letters, 42(6) 1169-1172 (2017)
  9. P A Loiko, O S Dymshits, V V Vitkin, N A Skoptsov, A A Zhilin, D V Shemchuk, M Ya Tsenter, K V Bogdanov, A M Malyarevich, I V Glazunov, X Mateos, K V Yumashev. Structure and nonlinear optical properties of novel transparent glass-ceramics based on Co 2+ :ZnO nanocrystals . Laser Physics Letters, 13(5) 055803 (2016)
  10. P. Loiko, O. S. Dymshits, V. V. Vitkin, N. A. Skoptsov, A. A. Zhilin, D. V. Shemchuk, M. Ya. Tsenter, K. Bogdanov, A. M. Malyarevich, I. V. Glazunov, X. Mateos, K. V. Yumashev. Saturable absorber: transparent glass-ceramics based on a mixture of Co:β-Zn_2SiO_4 and Co:ZnO nanocrystals. Applied Optics, 55(21) 5505 (2016)
  11. P.A. Loiko, O.S. Dymshits, I.P. Alekseeva, A.A. Zhilin, M.Ya. Tsenter, E.V. Vilejshikova, K.V. Bogdanov, X. Mateos, K.V. Yumashev. Transparent glass–ceramics with (Eu3+,Yb3+):YNbO4 nanocrystals: Crystallization, structure, optical spectroscopy and cooperative upconversion. Journal of Luminescence, 179 64-73 (2016)
  12. O. S. Dymshits, A. A. Zhilin, I. P. Alekseeva, M. Ya. Tsenter, A. M. Malyarevich, K. V. Yumashev, V. V. Vitkin, P. A. Loiko, N. A. Skoptsov, K. V. Bogdanov, I. V. Glazunov. Novel transparent glass-ceramics based on Co:Li(Al, Ga)<inf>5</inf>O<inf>8</inf> nanocrystals for passive Q-switching of Er lasers. 2016 International Conference Laser Optics (LO), R9-24 (2016)
  13. O. S. Dymshits, N. A. Skoptsov, V. V. Vitkin, A. A. Zhilin, D. V. Shemchuk, M. Ya. Tsenter, P. A. Loiko, A. M. Malyarevich, K. V. Bogdanov, I. V. Glazunov, K. V. Yumashev. Glass-ceramics with Co 2+ :ZnO nanocrystals: Novel saturatable absorber for Er lasers . 2016 International Conference Laser Optics (LO), R1-6 (2016)
  14. O. S. Dymshits, P. A. Loiko, N. A. Skoptsov, A. A. Zhilin, D. V. Shemchuk, M. Ya. Tsenter, A. M. Malyarevich, K. V. Bogdanov, I. V. Glazunov, K. V. Yumashev, V. V. Vitkin. Synthesis, structure and Q-switching behaviour of transparent glass-ceramics based on a mixture of Co:β-Zn<inf>2</inf>SiO<inf>4</inf> and Co:ZnO nanocrystals. 2016 International Conference Laser Optics (LO), R1-58 (2016)
  15. E Kifle, X Mateos, P Loiko, K Yumashev, A Yasukevich, V Petrov, U Griebner, M Aguiló, F Díaz. Graphene Q-switched Tm:KY(WO4)2 waveguide laser. Laser Phys., 27(4) 045801-1-6 (2017)
  16. V. Vitkin, P. Loiko, O. Dymshits, A. Zhilin, I. Alekseeva, D. Sabitova, A. Polishchuk, A. Malyarevich, X. Mateos, K. Yumashev. Passive Q-switching of an Er,Yb:glass laser with Co:Mg(Al,Ga)2O4-based glass-ceramics. Appl. Opt., 56(8) 2142-2149 (2017)
  17. P Loiko, X Mateos, S Y Choi, F Rotermund, C Liebald, M Peltz, S Vernay, D Rytz, Y Wang, M Kemnitzer, A Agnesi, E Vilejshikova, K Yumashev, U Griebner, V Petrov. Tm:CaGdAlO4: spectroscopy, microchip laser and passive Q-switching by carbon nanostructures. Proc. SPIE, 10082 1008228-1-6 (2017)
  18. P Loiko, V Vitkin, O Dymshits, A Zhilin, I Alekseeva, N Skoptsov, A Malyarevich, Xa Mateos, K Yumashev. Glass-ceramics with Co2+:Mg(Al,Ga)2O4 nanocrystals: novel saturable absorber for erbium lasers. Proceedings of SPIE, 10082 1008227-1-6 (2017)
  19. P Loiko, J M Serres, X Mateos, X Xu, J Xu, K Yumashev, U Griebner, V Petrov, M Aguiló, F Díaz, A Major. Highly-efficient multi-watt Yb:CaLnAlO4 microchip lasers. Proc. SPIE, 10082 1008215-1-7 (2017)
  20. J M Serres, P Loiko, X Mateos, J Liu, H Zhang, K Yumashev, U Griebner, V Petrov, M Aguiló, F Díaz. Multi-watt passively Q-switched Yb:YAB/Cr:YAG microchip lasers. Proc. SPIE, 10082 100820T-1-6 (2017)
  21. X Mateos, J M Serres, P Loiko, K Yumashev, U Griebner, V Petrov, M Aguiló, F Díaz. Spectroscopy and laser operation of Indium-modified Yb:KLuW: a promising crystal for femtosecond lasers. Proc. SPIE, 10082 1008214-1-6 (2017)
  22. A S Yasukevich, P Loiko, N V Gusakova, J M Serres, X Mateos, K V Yumashev, N V Kuleshov, V Petrov, U Griebner, M Aguiló, F Díaz. Modelling of graphene Q-switched Tm lasers. Opt. Commun., 389 15–22 (2017)
  23. P A Loiko, O S Dymshits, N A Skoptsov, A M Malyarevich, A A Zhilin, I P Alekseeva, M Y Tsenter, K V Bogdanov, X Mateos, K V Yumashev. Crystallization and nonlinear optical properties of transparent glass-ceramics with Co:Mg(Al,Ga)2O4 nanocrystals for saturable absorbers of lasers at 1.6–1.7µm. J. Phys. Chem. Solids, 103 132–141 (2017)
  24. Z Zhang, P Loiko, H Wu, X Mateos, J M Serres, H F Lin, W D Chen, G Zhang, L Z Zhang, F Díaz, M Aguiló, V Petrov, U Griebner, Y C Wang, E Vilejshikova, K Yumashev, Z B Lin. Disordered Tm:Ca9La(VO4)7: a novel crystal with potential for broadband tunable lasing. Opt. Mater. Express, 7(2) 484-493 (2017)
  25. P Loiko, J M Serres, X Mateos, S Tacchini, M Tonelli, S Veronesi, D Parisi, A Di Lieto, K Yumashev, U Griebner, V Petrov. Comparative spectroscopic and thermo-optic study of Tm:LiLnF4 (Ln = Y, Gd, and Lu) crystals for highly-efficient microchip lasers at ~2 μm. Opt. Mater. Express, 7(3) 844-854 (2017)
  26. P A Loiko, E V Vilejshikova, N M Khaidukov, J Méndez-Ramos, X Mateos, K V Yumashev. Judd–Ofelt modeling, emission lifetimes and non-radiative relaxation for Er3+ doped Cs2NaYF6 elpasolite crystals. J. Lumin., 185 279–285 (2017)
  27. R Lan, X Mateos, Y Wang, J M Serres, P Loiko, J Li, Yi Pan, U Griebner, V Petrov. Semiconductor saturable absorber Q-switching of a holmium micro-laser. Opt. Express, 25(5) 4579-4584 (2017)
  28. L Zhang, H Lin, G Zhang, X Mateos, J M Serres, M Aguiló, F Díaz, U Griebner, V Petrov, Y Wang, P Loiko, E Vilejshikova, K Yumashev, Z Lin, W Chen. Crystal growth, optical spectroscopy and laser action of Tm3+-doped monoclinic magnesium tungstat. Opt. Express, 25(4) 3682-3693 (2017)
  29. O.S Dymshits, I.P. Alekseeva, A.A. Zhilin, M.Ya. Tsenter, P.A. Loiko, N.A. Skoptsov, A.M. Malyarevich, K.V. Yumashev, X. Mateos, A.V. Baranov. Structural characteristics and spectral properties of novel transparent lithium aluminosilicate glass-ceramics containing (er,Yb)NbO4 nanocrystals. Journal of Luminescence, 160 337–345 (2015)
  30. O.S. Dymshits, P.A. Loiko, N.A. Skoptsov, A.M. Malyarevich, K.V. Yumashev, A.A. Zhilin, I.P. Alekseeva, M.Ya. Tsenter, K. Bogdanov. Structure and upconversion luminescence of transparent glass-ceramics containing (Er,Yb)2(Ti,Zr)2O7 nanocrystals. Journal of Non-Crystalline Solids, 409 54–62 (2015)