Dr. Dmitry V. Churkin Profile

Dr. Dmitry V. Churkin

Pro-Rector for Research at Novosibirsk State Univ

SPIE Involvement:

Author

Publications (62)

Proceedings Article | 28 November 2023 Paper

Polarization dynamics of ultra-narrow modes generated in random fiber lasers

Ilya Vatnik, Artem Kirik, Oleg Gorbunov, Dmitry Churkin

Proceedings Volume 12772, 1277203 (2023) https://doi.org/10.1117/12.2687600

KEYWORDS: Random lasers, Fiber lasers, Laser radiation, Tunable lasers, Optical filters, Tunable filters

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Proceedings Article | 26 November 2023 Poster + Paper

Numerical modelling of ultra-narrow generation in a Raman fiber laser with random distributed feedback

Oleg Gorbunov, Ilya Vatnik, Sergey Smirnov, Alena Kolesnikova, Dmitry Churkin

Proceedings Volume 12775, 127751I (2023) https://doi.org/10.1117/12.2687562

KEYWORDS: Fiber lasers, Numerical modeling, Backscatter, Numerical simulations, Laser optics, Computer simulations, Wave propagation

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Proceedings Article | 26 November 2023 Poster + Paper

Localized spectral modes generated in the random Raman laser based on multimode fiber

Ilya Vatnik, Artem Kirik, Oleg Gorbunov, Dmitry Churkin

Proceedings Volume 12775, 127751J (2023) https://doi.org/10.1117/12.2687602

KEYWORDS: Fiber lasers, Raman spectroscopy, Multimode fibers, Single mode fibers, Quantum numbers, Refractive index, Rayleigh scattering, Random lasers, Quantum stochastic processes, Quantum photonics

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Proceedings Article | 4 January 2023 Poster + Paper

Manifestation of optical feedback in power and spectral radiation properties of a Raman fiber laser with randomly distributed feedback well above generation threshold

Oleg Gorbunov, Ilya Vatnik, Sergey Smirnov, Dmitry Churkin

Proceedings Volume 12323, 123230G (2023) https://doi.org/10.1117/12.2643924

KEYWORDS: Fiber lasers, Fiber amplifiers, Rayleigh scattering, Nonlinear optics

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Proceedings Article | 4 January 2023 Presentation + Paper

Observation of cascade Brillouin processes in random distributed feedback Raman fiber lasers

A. Kirik, A. Aprelov, I. Vatnik, D. Churkin

Proceedings Volume 12323, 1232304 (2023) https://doi.org/10.1117/12.2644093

KEYWORDS: Fiber lasers, Raman scattering, Heterodyning, Rayleigh scattering

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Proceedings Article | 26 May 2022 Presentation + Paper

Dynamics of localized spectral modes in random fiber Raman lasers with point-like mirror assisted feedback

Nikolay Aprelov, Artem Kirik, Ilya Vatnik, Dmitry Churkin

Proceedings Volume 12143, 121430C (2022) https://doi.org/10.1117/12.2621418

KEYWORDS: Fiber lasers, Stochastic processes, Reflectors, Random lasers, Backscatter

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Proceedings Article | 25 May 2022 Paper

Quasi-CW and pulsed generation in coupled Raman fiber lasers with PT symmetry

Dmitry Churkin, Sergey Smirnov

Proceedings Volume 12142, 121420Q (2022) https://doi.org/10.1117/12.2621833

KEYWORDS: Fiber lasers, Numerical simulations

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Proceedings Article | 1 August 2021 Presentation + Paper

Optical neural network based on synthetic photonic lattices

Artem Pankov, Oleg Sidelnikov, Ilya Vatnik, Dmitry Churkin, Andrey Sukhorukov

Proceedings Volume 11841, 118410A (2021) https://doi.org/10.1117/12.2594086

KEYWORDS: Neural networks, Telecommunications, Optical fibers, Nonlinear optics, Data processing

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Proceedings Article | 1 August 2021 Presentation + Paper

Self-stabilisation of a resonance of microresonator based on optical fibre with active core

D. Kudashkin, D. Krisanov, I. Vatnik, S. Khorev, D. Churkin

Proceedings Volume 11802, 118020E (2021) https://doi.org/10.1117/12.2594483

KEYWORDS: Optical microcavities, Microresonators, Optical fibers, Absorption, Numerical simulations, Photonics

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Proceedings Article | 1 August 2021 Poster + Paper

Ultra-narrow spectral modes in generation of random distributed feedback Raman fiber laser

Artem Kirik, Ilya Vatnik, Dmitry Churkin

Proceedings Volume 11796, 117962S (2021) https://doi.org/10.1117/12.2594718

KEYWORDS: Fiber lasers, Heterodyning

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Proceedings Article | 1 August 2021 Poster + Paper

Pulsed random fiber laser with switchable repetition rate

Nikita Tarasov, Leonid Melnikov, Ilya Vatnik, Yulia Mazhirina, Dmitry Churkin

Proceedings Volume 11796, 117962R (2021) https://doi.org/10.1117/12.2594710

KEYWORDS: Fiber lasers, Pulsed laser operation, Backscatter, Q switching

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Proceedings Article | 18 April 2021 Presentation + Paper

Random fiber laser with switchable repetition rate

Nikita Tarasov, Leonid Melnikov, Ilya Vatnik, Yulia Mazhirina, Dmitry Churkin

Proceedings Volume 11770, 117701C (2021) https://doi.org/10.1117/12.2589360

KEYWORDS: Fiber lasers, Photonics, Wave propagation, Stochastic processes, Refractive index, Random lasers, Raman spectroscopy, Q switched fiber lasers, Picosecond phenomena, Optical fibers

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Proceedings Article | 18 April 2021 Poster + Presentation + Paper

Single-particle sensing capabilities of cylindrical microresonators based on optical fibers

Alena Kolesnikova, Dmitry Kudashkin, Ilya Vatnik, Dmitry Churkin

Proceedings Volume 11772, 117721S (2021) https://doi.org/10.1117/12.2589428

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Proceedings Article | 10 October 2020 Poster + Presentation + Paper

Introducing negative effective radius variations to control whispering gallery modes propagating on optical fibers

D. V. Krisanov, A. S. Nesterok, I. D. Vatnik, D. V. Churkin

Proceedings Volume 11556, 115560X (2020) https://doi.org/10.1117/12.2575272

KEYWORDS: Optical fibers, Microresonators, Silica, Refractive index, Carbon dioxide lasers, Laser beam propagation, Geometrical optics, Glasses, Temperature metrology, Nanophotonics

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Proceedings Article | 1 April 2020 Paper

Generation of narrow modes within incoherent radiation of random distributed feedback fiber laser

D. Churkin, S. Sugavanam, I. Vatnik

Proceedings Volume 11357, 113570F (2020) https://doi.org/10.1117/12.2555718

KEYWORDS: Fiber lasers, Heterodyning, Random lasers, Rayleigh scattering

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Proceedings Article | 1 April 2020 Presentation + Paper

Dynamics of the whispering gallery modes at the surface of the optical fiber near its facet

Dmitry Kudashkin, Ilya Vatnik, Dmitry Churkin

Proceedings Volume 11355, 113550V (2020) https://doi.org/10.1117/12.2555672

KEYWORDS: Optical fibers, Wave propagation, Reflection, Optical microcavities, Velocity measurements, Destructive interference, Refractive index

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Proceedings Article | 1 April 2020 Presentation + Paper

Simultaneous transition from continuous to pulsed and from PT-symmetric to PT-broken generation in coupled fiber lasers

Dmitry Churkin, Sergey Smirnov

Proceedings Volume 11358, 1135807 (2020) https://doi.org/10.1117/12.2555765

KEYWORDS: Fiber lasers, Stochastic processes, Numerical simulations

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Proceedings Article | 20 November 2019 Paper

Deep learning with synthetic photonic lattices for equalization in optical transmission systems

Artem Pankov, Oleg Sidelnikov, Ilya Vatnik, Andrey Sukhorukov, Dmitriy Churkin

Proceedings Volume 11192, 111920N (2019) https://doi.org/10.1117/12.2537462

KEYWORDS: Transmittance, Geometrical optics, Neural networks, Scanning probe lithography, Machine learning, Signal processing, Nonlinear optics, Data transmission, Optical communications, Data processing

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Proceedings Article | 19 November 2019 Paper

Laminar and turbulent generation states of different parity-time symmetry properties in coupled Raman fiber lasers

Sergey Smirnov, Dmitry Churkin

Proceedings Volume 11195, 1119508 (2019) https://doi.org/10.1117/12.2538908

KEYWORDS: Fiber lasers, Raman spectroscopy, Stochastic processes, Dynamical systems, Switches

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Proceedings Article | 18 November 2019 Paper

Reflection of whispering gallery modes propagating on the optical fiber surface from its facet

Zhiyong Han, Ilya Vatnik, D. Churkin

Proceedings Volume 11193, 111930Q (2019) https://doi.org/10.1117/12.2537802

KEYWORDS: Reflection, Optical fibers, Wave propagation, Microresonators, Photonics, Switches, Cladding, Carbon dioxide lasers, Femtosecond phenomena, Destructive interference

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Proceedings Article | 30 April 2019 Paper

Studying of filtering properties of SNAP microresonators on the surface of optical fibers

Zhiyong Han, Semen Fast, Emile Klotz, Ilya Vatnik, Dmitry Churkin

Proceedings Volume 11026, 110261G (2019) https://doi.org/10.1117/12.2524942

KEYWORDS: Optical filters, Optical fibers, Microresonators, Optical microcavities

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Proceedings Article | 30 April 2019 Paper

Parity-time symmetric laminar-turbulent transition in coupled Raman fiber lasers

Sergey Smirnov, Maxim Makarenko, Ilya Vatnik, Dmitry Churkin

Proceedings Volume 11026, 110261F (2019) https://doi.org/10.1117/12.2524882

KEYWORDS: Fiber lasers, Fiber coupled lasers, Nonlinear optics, Laser optics, Complex systems

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Proceedings Article | 9 November 2018 Paper

Localization in a synthetic photonic lattice with varying coupling ratio

Artem Pankov, Ilya Vatnik, Dmitry Churkin

Proceedings Volume 10825, 108251D (2018) https://doi.org/10.1117/12.2502286

KEYWORDS: Photonics systems, Modulation, Wave mechanics

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Proceedings Article | 17 May 2018 Presentation + Paper

Study of spectral variations in generation of random fiber laser based on set of fiber Bragg gratings

E. Chaikina, I. Vatnik, D. Churkin

Proceedings Volume 10683, 106830N (2018) https://doi.org/10.1117/12.2305911

KEYWORDS: Fiber Bragg gratings, Fiber lasers, Spectral resolution, Random lasers, Statistical analysis

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Proceedings Article | 17 May 2018 Paper

Influence of Kerr nonlinearity on PT-transition in coupled fibre lasers

Sergey Smirnov, Maxim Makarenko, Andrey Sukhorukov, Ilya Vatnik, Dmitry Churkin

Proceedings Volume 10683, 106832I (2018) https://doi.org/10.1117/12.2306118

KEYWORDS: Fiber lasers, Optical fibers, Nonlinear optics, Laser optics

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Proceedings Article | 17 May 2018 Paper

Revealing spectral cross-correlations in radiation of multiwavelength fiber laser with randomly distributed feedback

I. Vatnik, O. Gorbunov, S. Sugavanam, D. Churkin

Proceedings Volume 10683, 1068335 (2018) https://doi.org/10.1117/12.2307311

KEYWORDS: Fiber lasers, Statistical analysis, Oscilloscopes, Photodetectors

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Proceedings Article | 14 March 2018 Presentation

Coherent modes in a random fibre laser (Conference Presentation)

Dmitry Churkin, Srikanth Sugavanam, Mariia Sorokina

Proceedings Volume 10517, 105170O (2018) https://doi.org/10.1117/12.2289603

KEYWORDS: Fiber lasers, Random lasers, Rayleigh scattering, Refractive index, Fabry–Perot interferometry, Statistical analysis

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Proceedings Article | 24 October 2017 Paper

PT-symmetry of coupled fiber lasers

Sergey Smirnov, Dmitry Churkin, Maxim Makarenko, Ilya Vatnik, Sergey Suchkov, Andrey Sukhorukov

Proceedings Volume 10457, 104572Y (2017) https://doi.org/10.1117/12.2284985

KEYWORDS: Fiber lasers

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Proceedings Article | 24 October 2017 Paper

Localization in disordered potential in photonic lattice realized in time domain

Ilya Vatnik, Alexey Tikan, Dmitry Churkin, Andrey Sukhorukov

Proceedings Volume 10457, 1045733 (2017) https://doi.org/10.1117/12.2285481

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Proceedings Article | 24 October 2017 Paper

Photonic modes in synthetic photonic lattices localized due to nontrivial gauge field circulation

Artem Pankov, Ilya Vatnik, Dmitry Churkin, Andrey Sukhorukov

Proceedings Volume 10457, 1045734 (2017) https://doi.org/10.1117/12.2285492

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Proceedings Article | 28 April 2016 Paper

Investigating optical complexity of the phase transition in the intensity of a fibre laser radiation

Andrés Aragoneses, Laura Carpi, Nikita Tarasov, Dmitri Churkin, M. Torrent, Cristina Masoller, Sergei Turitsyn

Proceedings Volume 9892, 98920L (2016) https://doi.org/10.1117/12.2225684

KEYWORDS: Vertical cavity surface emitting lasers, Semiconductor lasers, Polarization, Switching, Fiber lasers, Solitons, Visibility, Statistical analysis, Turbulence, Complex systems, Transform theory, Stochastic processes

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Proceedings Article | 27 April 2016 Paper

Constructing eigenmode excitation spectrum in synthetic photonic lattices using optical heterodyning

A. Tikan, I. Vatnik, D. Churkin, A. Sukhorukov

Proceedings Volume 9894, 98941L (2016) https://doi.org/10.1117/12.2227831

KEYWORDS: Fiber couplers, Heterodyning, Waveguides, Phase measurement, Optical networks, Quantum physics, Geometrical optics, Phase shifts, Light wave propagation, Physics, Modulators, Neodymium

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Proceedings Article | 27 April 2016 Presentation + Paper

Dissipative parametric modulation instability and pattern formation in nonlinear optical systems

A. Perego, N. Tarasov, D. Churkin, S. Turitsyn, K. Staliunas

Proceedings Volume 9894, 98940A (2016) https://doi.org/10.1117/12.2225595

KEYWORDS: Modulation, Complex systems, Nonlinear optics, Fiber optics, Solitons, Optical fibers, Modulation, Mode locking, Pulsed laser operation, Computing systems, Control systems, Nanophotonics, Dispersion, Laser applications, Tunable lasers

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Proceedings Article | 21 April 2016 Paper

Surface waves in mesh synthetic photonic lattices

A. Pankov, I. Vatnik, D. Churkin, A. Sukhorukov

Proceedings Volume 9885, 98851G (2016) https://doi.org/10.1117/12.2227575

KEYWORDS: Waveguides, Fiber couplers, Phase shifts, Resistance, Phase shift keying, Matrices

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Proceedings Article | 9 March 2016 Paper

Spatio-temporal intensity dynamics of passively mode-locked fiber laser

Dmitry Churkin, Srikanth Sugavanam

Proceedings Volume 9732, 97320I (2016) https://doi.org/10.1117/12.2211762

KEYWORDS: Fiber lasers, Mode locking, Nonlinear dynamics, Nonlinear optics, Solitons, Pulsed laser operation, Laser development, Oscilloscopes, Laser resonators, Polarization, Signal processing

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Proceedings Article | 1 July 2015 Paper

High resolution optical time-domain reflectometry based on correlation utilizing an all-fiber chaotic source

M. Fan, Z. Wang, H. Wu, D. Churkin, Y. Li, L. Zhang, X. Qian, Y. Rao

Proceedings Volume 9655, 96553J (2015) https://doi.org/10.1117/12.2184238

KEYWORDS: Spatial resolution, Signal to noise ratio, Signal detection, Reflectometry, Fiber Bragg gratings, Fiber lasers, Oscilloscopes, Optical resolution, Supercontinuum sources, Optical filters

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Proceedings Article | 1 July 2015 Paper

Long-range and high-resolution correlation optical time-domain reflectometry utilizing an all optical chaotic source

M. Fan, Z. Wang, H. Wu, D. Churkin, Y. Li, L. Zhang, X. Qian, Y. Rao

Proceedings Volume 9655, 965548 (2015) https://doi.org/10.1117/12.2203105

KEYWORDS: Raman spectroscopy, Signal detection, Reflectometry, Signal attenuation, Spatial resolution, Rayleigh scattering, Backscatter, Signal to noise ratio, Factor analysis, Geometrical optics

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