Project Member 1.1 "Fundamentals of Extreme Photonics"
Project Member 1.2 "Ultrafast Laser Physics and Nonlinear Optics"
1. Nonlinear optics in fibers and waveguides
This area of research includes ultrafast nonlinear processes such as supercontinuum generation, pulse guiding, generation of new frequencies, strong-field fiber optics including plasma generation, pulse compression etc. I develop and implement numerical methods and implement them for studies of various physical processes, ranging from discrete spatial diffraction through Kerr and Raman effects to photoionization.
Mechanism of line narrowing in continuous-wave-pumped fiber filled with Raman-active gas. Forward- and backward- propagating Stokes waves create a standing wave and a periodic lattice of population difference, which results in an array of deep subwavelength potential traps.
2. Linear and nonlinear nanooptics
Various nanometer-scaled systems are studied numerically, including metal-nanoparticle composites, photonic crystals, nanostructures, and rough surfaces. The considered optical processes include high harmonic generation, enhancement of nonlinearity, bistable optical behaviour, and focusing below the diffraction limit.
Bistable optical transmission in a planar nonlinear metal-dielectric array. A metal-like state B reflects incoming light; a dielectric-like state transmits light and has positive dielectric function due to nonlinearity.
3. Strong-field optics, high harmonic generation and material modification
Various phenomena occuring under the influence of photoionization are considered by the numerical methods are treated by home-made numerical algorithms developed to adress the corresponding problem. The investigated systems include high harmonic generation in gases, formation of overcritical plasma caused by light, nanoparticle-enhanced HHG and so on.
Dynamics of high-intensity, tightly focused light propagating through fused silica. The formation of overctirital plasma in the focal region introduces backreflection and strong perturbation to the field.
11/2002 - present: Scientist, Max Born Institute
11/2002: PhD Thesis, FU Berlin, "Nonlinear phenomena of ultrabroadband radiation in photonic crystal fibers and hollow waveguides"
09/1999 - 11/2002: PhD student, Max Born Institute/FU Berlin, supervisor: Dr. J. Herrmann
Diploma work, "Linear and nonlinear properties of carbon nanotubes", Belarus State University, supervisor: G. Y. Sleyan
09/1994 - 07/1999: University diploma, physics, Belarus state university
- Origin of strong-field-induced low-order harmonic generation in amorphous quartz Nature Physics online (2020) 1-11
- Raman-Kerr comb generation based on parametric wave mixing in strongly driven Raman molecular gas medium Physical Review Research 2 (2020) 023025/1-8
- Pulse compression and pedestal suppression by self-similar propagation in nonlinear optical loop mirror Optics Communications 474 (2020) 126083/1-8
- Strong nonlinear optical effects in micro-confined atmospheric air Photonics Research 7 (2019) 1134-1141
- Study of plasma formation in solid dielectrics with the help of low-order harmonic emission SPIE Proceedings 109050O/1-6 (2019)
- Plasma formation and relaxation dynamics in fused silica driven by femtosecond short-wavelength infrared laser pulses Applied Physics Letters 115 (2019) 191903/1-5
- Sub-4 fs laser pulses at high average power and high repetition rate from an all-solid-state setup Optics Express 26 (2018) 8941-8956
- Spatiotemporal dynamics of Raman coherence in hollow-core fibers for a pump-probe setup Physical review A 97 (2018) 023814/1-6
- Terahertz and higher-order Brunel harmonics: from tunnel to multiphoton ionization regime in tailored fields Journal of Modern Optics 64 (2017) 1078-1087
- Theory of line narrowing by deep nano-trap lattice in raman gas Nonlinear Phenomena in Complex Systems 20 (2017) 1-11