Prof. Leonid A. Melnikov Profile

Prof. Leonid A. Melnikov

Head of Chair of Laser and Computer Physics at Saratov State Technical Univ

SPIE Involvement:

Author

Publications (83)

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 | 4 May 2021 Paper

Numerical investigation of all-fiber erbium-doped bidirectional ring laser for high-precision sensing

L. Kochkurov, L. Melnikov, S. Volchkov, E. Ushakova

Proceedings Volume 11846, 1184603 (2021) https://doi.org/10.1117/12.2588400

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Proceedings Article | 4 May 2021 Paper

Gain saturation effect in the cavity with hyperbolic graphene medium

O. Kozina, L. Melnikov

Proceedings Volume 11846, 118460H (2021) https://doi.org/10.1117/12.2590730

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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 | 3 June 2019 Paper

Quantum fluctuations of pump and Stokes pulses in Raman amplifier

Leonid Melnikov

Proceedings Volume 11066, 110660M (2019) https://doi.org/10.1117/12.2521884

KEYWORDS: Fiber amplifiers, Optical amplifiers, Quantum physics, Fiber lasers, Raman scattering, Wave propagation, Optical fibers, Numerical analysis, Dispersion

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Proceedings Article | 3 June 2019 Paper

Numerical simulation of the THz lasing in the cavity with graphene-based hyperbolic medium

O. Kozina, L. Melnikov, I. Nefedov

Proceedings Volume 11066, 1106615 (2019) https://doi.org/10.1117/12.2522077

KEYWORDS: Terahertz radiation, Graphene, Metamaterials, Wave propagation, Radio propagation, Numerical simulations, Interfaces, Semiconductors, Dielectrics, Electromagnetic radiation

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Proceedings Article | 26 April 2018 Paper

Stimulated fission of high-order optical breather via pairwise interaction of solitons in model of nonlinear Schrödinger equation with variable coefficients

A. Konyukhov, P. Mavrin, E. Schurkin, K. Gochelashvili, A. Sysoliatin, L. Melnikov

Proceedings Volume 10717, 107170O (2018) https://doi.org/10.1117/12.2315186

KEYWORDS: Solitons, Dispersion, Modulation, Nonlinear optics, Picosecond phenomena, Signal detection, Inverse scattering problem

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Proceedings Article | 26 April 2018 Paper

Wave propagation characteristics in the cavity with hyperbolic medium

O. Kozina, L. Melnikov, I. Nefedov

Proceedings Volume 10717, 1071718 (2018) https://doi.org/10.1117/12.2314628

KEYWORDS: Wave propagation, Metamaterials, Electromagnetic radiation, Radiative energy transfer, Solids, Near field optics, Dielectrics, Free space, Near field

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Proceedings Article | 26 April 2018 Paper

Modelling of the nonlinear soliton dynamics in the ring fibre cavity

Vadim Razukov, Leonid Melnikov

Proceedings Volume 10717, 107170K (2018) https://doi.org/10.1117/12.2315236

KEYWORDS: Microresonators, Solitons, Oscillators, Dispersion, Frequency combs, Mode locking, Optical microcavities, Modulation, Modeling, Bistability

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Proceedings Article | 14 April 2017 Paper

Density of states in complex cavity with hyperbolic medium

O. Kozina, L. Melnikov, I. Nefedov

Proceedings Volume 10337, 1033706 (2017) https://doi.org/10.1117/12.2267936

KEYWORDS: Dispersion, Free space, Dielectrics, Electromagnetic radiation, Anisotropy, Near field optics, Interfaces, Data modeling, Geometrical optics, Metamaterials

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Proceedings Article | 21 April 2016 Paper

Generation of THz radiation in two-color fiber laser with frequency selection

L. Kochkurov, L. Melnikov

Proceedings Volume 9917, 99173H (2016) https://doi.org/10.1117/12.2230225

KEYWORDS: Terahertz radiation, Fiber lasers, Nonlinear optics, Optical fibers, Frequency conversion, Microresonators, Optical filters, Dielectric filters, Difference frequency generation, Nonlinear filtering, Nonlinear crystals, Refractive index

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Proceedings Article | 21 April 2016 Paper

Reflection and transmission on the finite thickness SiC-graphene slab of hyperbolic medium and the threshold conditions for THz generation

O. Kozina, L. Melnikov, A. Zotkina

Proceedings Volume 9917, 99173E (2016) https://doi.org/10.1117/12.2229858

KEYWORDS: Terahertz radiation, Metamaterials, Graphene, Semiconductors, Silicon carbide, Solids, Electrons, Geometrical optics, Dielectrics, Absorption

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Proceedings Article | 21 April 2016 Paper

Multistability and complex dynamics in coupled semiconductor lasers with time-delayed feedback

M. Balakin, L. Kochkurov, L. Melnikov, V. Astakhov

Proceedings Volume 9917, 99172W (2016) https://doi.org/10.1117/12.2228416

KEYWORDS: Semiconductor lasers, Semiconductors, Oscillators, Electroluminescent displays, Pulsed laser operation, Picosecond phenomena, Systems modeling, Resonators, Feedback signals, Optical simulations

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Proceedings Article | 21 April 2016 Paper

Dynamics of long ring Raman fiber laser

Sergey Sukhanov, Leonid Melnikov, Yulia Mazhirina

Proceedings Volume 9917, 99172V (2016) https://doi.org/10.1117/12.2228036

KEYWORDS: Fiber lasers, Numerical analysis, Systems modeling, Laser systems engineering, Backscatter, Optical fibers, Biomedical optics, Photonics, Current controlled current source

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Proceedings Article | 21 April 2016 Paper

Short pulse dynamics in a linear cavity fiber laser

Vadim Razukov, Leonid Melnikov

Proceedings Volume 9917, 991735 (2016) https://doi.org/10.1117/12.2229745

KEYWORDS: Fiber lasers, Dispersion, Computer simulations, Electroluminescent displays, Optical simulations, Fabry–Perot interferometers, Mirrors, Pulsed laser operation, Modulation, Phase modulation

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Proceedings Article | 11 March 2016 Paper

Controlled generation of optical rogue waves in dispersion oscillating fiber

K. Gochelashvili, A. Konyukhov, L. Melnikov, M. Salganskii, A. Sysoliatin

Proceedings Volume 9728, 97281Q (2016) https://doi.org/10.1117/12.2212349

KEYWORDS: Solitons, Dispersion, Modulation, Raman scattering, Wave propagation, Picosecond phenomena, Fusion energy, Optical solitons, Nonlinear optics, Numerical analysis

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Proceedings Article | 19 March 2015 Paper

Dispersion characteristics of hyperbolic graphene-semiconductors multilayered structure

O. Kozina, L. Melnikov, I. Nefedov

Proceedings Volume 9448, 944811 (2015) https://doi.org/10.1117/12.2180053

KEYWORDS: Graphene, Silicon carbide, Absorption, Metamaterials, Multilayers, Dielectrics, Solids, Semiconductors, Manufacturing, Crystals

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Proceedings Article | 19 March 2015 Paper

Dynamics of two-color fiber laser with intracavity difference frequency generation

L. Kochkurov, L. Melnikov, Yu. Mazhirina

Proceedings Volume 9448, 94482H (2015) https://doi.org/10.1117/12.2180388

KEYWORDS: Resonators, Laser resonators, Nonlinear crystals, Terahertz radiation, Electroluminescent displays, Fiber lasers, Sum-frequency generation, Nonlinear optics, Modulation, Polarization

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Proceedings Article | 19 March 2015 Paper

Modeling the dynamics of bidirectional ring fiber laser with stimulated Brillouin scattering

Sergey Sukhanov, Leonid Melnikov

Proceedings Volume 9448, 944820 (2015) https://doi.org/10.1117/12.2179286

KEYWORDS: Fiber lasers, Laser scattering, Scattering, Laser applications, Antimony, Gyroscopes, Mirrors, Biophysics, Surgery, Continuous wave operation

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Proceedings Article | 30 January 2014 Paper

Generation of THz radiation based on Raman effect in photonic crystal ﬁber

Yu. Mazhirina, L. Kochkurov, A. Konukhov, L. Melnikov

Proceedings Volume 9031, 903113 (2014) https://doi.org/10.1117/12.2050851

KEYWORDS: Terahertz radiation, Raman spectroscopy, Solitons, Raman scattering, Dispersion, Photonic crystal fibers, Nonlinear optics, Semiconductor lasers, Pulsed laser operation, Nonlinear crystals

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Proceedings Article | 30 January 2014 Paper

Gaussian pulse-shape approximation in Raman amplification in optical fibers

Leonid Melnikov, Yulia Mazhirina, Ekaterina Romanova

Proceedings Volume 9031, 903114 (2014) https://doi.org/10.1117/12.2051545

KEYWORDS: Raman spectroscopy, Optical fibers, Dispersion, Fiber lasers, Partial differential equations, Ordinary differential equations, Computer simulations, Solitons, Gaussian pulse, Nonlinear optics

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Proceedings Article | 30 January 2014 Paper

Dynamical model of Raman fiber lasers

Leonid Melnikov, Yulia Mazhirina

Proceedings Volume 9031, 903116 (2014) https://doi.org/10.1117/12.2051547

KEYWORDS: Fiber lasers, Raman spectroscopy, Wave propagation, Numerical simulations, Laser resonators, Laser applications, Rayleigh scattering, Systems modeling, Dispersion, Instrument modeling

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Proceedings Article | 30 January 2014 Paper

Optical characteristics of the metal-wire dielectric periodic structure: hyperbolic eigenwaves

L. Melnikov, O. Kozina, A. Zotkina, I. Nefedov

Proceedings Volume 9031, 903117 (2014) https://doi.org/10.1117/12.2051592

KEYWORDS: Dielectrics, Metals, Metamaterials, Silver, Optical properties, Homogenization, Optical spheres, Photonic crystals, Nanowires, Nanorods

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Proceedings Article | 6 May 2013 Paper

Asymmetrical hyperbolic media and their potential applications in photovoltaics and photonics

Igor Nefedov, Leonid Melnikov, Evgeny Nefedov

Proceedings Volume 8771, 87710K (2013) https://doi.org/10.1117/12.2017607

KEYWORDS: Interfaces, Photonics, Wave propagation, Photovoltaics, Thermography, Dispersion, Light wave propagation, Radio propagation, Metamaterials, Maxwell's equations

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Proceedings Article | 26 February 2013 Paper

Numerical modeling of terahertz generation via diﬀerence-frequency mixing in two-color laser

L. Kochkurov, M. Balakin, L. Melnikov, V. Astakhov

Proceedings Volume 8699, 869912 (2013) https://doi.org/10.1117/12.2021065

KEYWORDS: Terahertz radiation, Nonlinear crystals, Mirrors, Numerical modeling, Vertical external cavity surface emitting lasers, Numerical simulations, Nonlinear frequency conversion, Resonators, Semiconductors, Semiconductor lasers

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Proceedings Article | 1 May 2012 Paper

Optimization of field propagation in optical coaxial nano-waveguides of complicated-form

Olga Kozina, Leonid Melnikov, Igor Nefedov

Proceedings Volume 8423, 842321 (2012) https://doi.org/10.1117/12.922305

KEYWORDS: Waveguides, Metals, Glasses, Dielectrics, Wave propagation, Refractive index, Silver, Radio propagation, Light wave propagation, Near field optics

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Proceedings Article | 11 May 2010 Paper

Fast localized modes propagating in optical metal coaxial waveguides

O. Kozina, L. Melnikov, I. Nefedov

Proceedings Volume 7712, 771214 (2010) https://doi.org/10.1117/12.854202

KEYWORDS: Waveguides, Metals, Glasses, Dielectrics, Light wave propagation, Refractive index, Signal attenuation, Wave propagation, Radio propagation, Roads

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Proceedings Article | 11 May 2010 Paper

Optical characteristics of the two-dimensional photonic crystals with nano-size metal roads

O. Kozina, L. Melnikov

Proceedings Volume 7712, 771225 (2010) https://doi.org/10.1117/12.853780

KEYWORDS: Photonic crystals, Dielectrics, Roads, Reflection, Glasses, Dielectric polarization, Metals, Geometrical optics, Active optics, Polarizers

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Proceedings Article | 19 February 2009 Paper

Widely tunable 10GHz synchronized fiber laser in the 1550nm-1750nm wavelength range via dispersion flattened DDF

Alexej Sysoliatin, Andrew Senatorov, Andrey Konyukhov, Leonid Melnikov, Vladimir Stasyuk

Proceedings Volume 7195, 71952E (2009) https://doi.org/10.1117/12.808362

KEYWORDS: Dispersion, Picosecond phenomena, Fiber lasers, Optical filters, L band, Clocks, Wave propagation, Transmitters, Raman spectroscopy, Mode locking

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Proceedings Article | 21 April 2008 Paper

Dispersion and symmetry properties of anisotropic photonic crystals of arbitrary geometry and dimension

Irina Khromova, Leonid Melnikov

Proceedings Volume 6989, 69891V (2008) https://doi.org/10.1117/12.780993

KEYWORDS: Photonic crystals, Dispersion, Dielectrics, Liquid crystals, Glasses, Molecules, Molecular photonics, Solids, Refractive index, Wave propagation

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Proceedings Article | 21 April 2008 Paper

Photonic crystal laser based on activated glass

Olga Kozina, Leonid Melnikov

Proceedings Volume 6989, 69890Q (2008) https://doi.org/10.1117/12.780853

KEYWORDS: Photonic crystals, Glasses, Refractive index, Cobalt, Dielectrics, Laser crystals, Light wave propagation, Solids, Laser damage threshold, Modulation

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Proceedings Article | 13 June 2007 Paper

Waveguiding in photonic crystal fibers and photonic crystal structures

Ju. Mazhirina, L. Melnikov, V. Shevandin

Proceedings Volume 6537, 65370B (2007) https://doi.org/10.1117/12.754420

KEYWORDS: Cladding, Waveguides, Photonic crystals, Photonic crystal fibers, Wave propagation, Dispersion, Glasses, Light wave propagation, Optical fibers, Laser optics

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Proceedings Article | 13 June 2007 Paper

Spatial characteristics of radiation of 1D photonic crystal laser

Olga Kozina, Leonid Melnikov

Proceedings Volume 6537, 65370C (2007) https://doi.org/10.1117/12.754421

KEYWORDS: Photonic crystals, Refractive index, Neodymium, Cobalt, Dielectrics, Glasses, Laser crystals, Solids, Laser damage threshold, Modulation

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Proceedings Article | 13 June 2007 Paper

Mode gain in microstructure optical fibers

Andrei Soloviev, Andrey Konyukhov, Leonid Melnikov, Sergey Akishin

Proceedings Volume 6537, 65370A (2007) https://doi.org/10.1117/12.754008

KEYWORDS: Refractive index, Dispersion, Silicon, Wave propagation, Silica, Fiber lasers, Glasses, Optical fibers, Absorption, Multimode fibers

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Proceedings Article | 13 June 2007 Paper

Anisotropic photonic crystals and tunable photonic bandgap fibers

Irina Khromova, Leonid Melnikov

Proceedings Volume 6537, 65370D (2007) https://doi.org/10.1117/12.754423

KEYWORDS: Liquid crystals, Glasses, Photonic crystals, Dispersion, Dielectrics, Molecules, Optical fibers, Photonic crystal fibers, Wave propagation, Refractive index

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Proceedings Article | 13 June 2007 Paper

Coherent effects in free-bound transitions in hydrogen/antihydrogen atom under the action of ultra-short strong-field laser pulse

Maria Ryabinina, Leonid Melnikov

Proceedings Volume 6537, 653705 (2007) https://doi.org/10.1117/12.753909

KEYWORDS: Pulsed laser operation, Ionization, Chemical species, Doppler effect, Spherical lenses, Transition metals, Physics, Free electron lasers, Polarization, Plasma

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Proceedings Article | 23 February 2007 Paper

Soliton resonance in dispersion oscillating fiber

Alexej Sysoliatin, Andrey Konyukhov, Leonid Melnikov, V. Stasuyk

Proceedings Volume 6453, 64531V (2007) https://doi.org/10.1117/12.699011

KEYWORDS: Solitons, Modulation, Picosecond phenomena, Raman scattering, Dispersion, Oscilloscopes, Phase shift keying, Terahertz radiation, Fiber optics, Numerical simulations

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Proceedings Article | 8 August 2006 Paper

Dispersive wave generation in microstructured fiber with periodically modulated diameter

Andrey Konyukhov, Leonid Melnikov, Yuliya Mazhirina

Proceedings Volume 6165, 616508 (2006) https://doi.org/10.1117/12.696842

KEYWORDS: Solitons, Modulation, Dispersion, Wave propagation, Phase shift keying, Terahertz radiation, Femtosecond phenomena, Glasses, Supercontinuum generation, Phase matching

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Proceedings Article | 8 August 2006 Paper

Laser effect in nonlinear 1D photonic crystal

Olga Kozina, Leonid Melnikov

Proceedings Volume 6165, 616507 (2006) https://doi.org/10.1117/12.696841

KEYWORDS: Photonic crystals, Refractive index, Nonlinear crystals, Dielectrics, Solids, Glasses, Laser damage threshold, Chemical species, Vertical cavity surface emitting lasers, Molecular photonics

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Proceedings Article | 9 June 2006 Paper

Modeling of the dynamics of CW photonic crystal fiber laser

Andrey Konyukhov, Leonid Melnikov

Proceedings Volume 6054, 605405 (2006) https://doi.org/10.1117/12.660494

KEYWORDS: Photonic crystal fibers, Fiber lasers, Laser crystals, Refractive index, Beam propagation method, Dispersion, Wave propagation, Continuous wave operation, Cladding, Distortion

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Proceedings Article | 13 October 2005 Paper

Laser action in 1D photonic band-gap structure with active layers

Olga Kozina, Leonid Melnikov

Proceedings Volume 5950, 59501G (2005) https://doi.org/10.1117/12.622702

KEYWORDS: Refractive index, Photonic crystals, Cobalt, Neodymium, Glasses, Dielectrics, Solids, Chemical species, Vertical cavity surface emitting lasers, Electronics

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Proceedings Article | 13 October 2005 Paper

Soft-glass hollow-core photonic crystal fibers

Leonid Melnikov, Irina Khromova, Andrey Scherbakov, Nikolay Nikishin

Proceedings Volume 5950, 595012 (2005) https://doi.org/10.1117/12.623163

KEYWORDS: Cladding, Photonic crystal fibers, Glasses, Dispersion, Structured optical fibers, Photonic crystals, Waveguides, Laser applications, Refractive index, Ultrafast phenomena

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Proceedings Article | 12 October 2005 Paper

Dispersive wave generation by solitons in few-mode microstructure optical fiber

Andrey Konyukhov, Leonid Melnikov

Proceedings Volume 5950, 59501E (2005) https://doi.org/10.1117/12.622559

KEYWORDS: Wave propagation, Terahertz radiation, Solitons, Dispersion, Optical fibers, Femtosecond phenomena, Refractive index, Energy transfer, Spectral models, Raman scattering

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Proceedings Article | 12 October 2005 Paper

Transverse beam dynamics in photonic crystal surface-emitting laser

Andrey Konyukhov, Leonid Melnikov

Proceedings Volume 5950, 59500D (2005) https://doi.org/10.1117/12.622557

KEYWORDS: Photonic crystals, Laser crystals, Vertical cavity surface emitting lasers, Optical pumping, Wave propagation, Refractive index, Picosecond phenomena, Telecommunications, Finite element methods, Numerical simulations

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Proceedings Article | 9 June 2005 Paper

Modelling of the pattern formation in microstructured fiber with active core

Andrey Konyukhov, Leonid Melnikov

Proceedings Volume 5773, (2005) https://doi.org/10.1117/12.636910

KEYWORDS: Beam propagation method, Photonic crystal fibers, Refractive index, Structured optical fibers, Laser scattering, Scattering, Cladding, Wave propagation, Modeling, Nonlinear crystals

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Proceedings Article | 9 June 2005 Paper

Dispersive wave generation by femtosecond laser pulses in few-mode microstructure optical fiber

Andrey Konyukhov, Leonid Melnikov

Proceedings Volume 5773, (2005) https://doi.org/10.1117/12.636913

KEYWORDS: Dispersion, Wave propagation, Femtosecond phenomena, Optical fibers, Terahertz radiation, Waveguide modes, Solitons, Structured optical fibers, Picosecond phenomena, Refractive index

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Proceedings Article | 9 June 2005 Paper

Hollow core photonic crystal fiber soliton parameter estimation

Irina Khromova, Leonid Melnikov

Proceedings Volume 5773, (2005) https://doi.org/10.1117/12.637358

KEYWORDS: Solitons, Dispersion, Photonic crystal fibers, Refractive index, Radio propagation, Light wave propagation, Wave propagation, Glasses, Molecular photonics, Molecular spectroscopy

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Proceedings Article | 7 June 2005 Paper

Waveguide nonlinear optics scaled to higher peak powers with large-core-area hollow photonic-crystal fibers

S. Konorov, A. Fedotov, L. Mel'nikov, A. Shcherbakov, R. Miles, A. Zheltikov

Proceedings Volume 5850, (2005) https://doi.org/10.1117/12.633675

KEYWORDS: Optical fibers, Waveguides, Signal processing, Photonic crystal fibers, Nonlinear optics, Four wave mixing, Cladding, Femtosecond phenomena, Dispersion, Pulsed laser operation

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Proceedings Article | 29 March 2005 Paper

Change of propagation speed of action potential in axons bunch of frog’s somatic nerve ex vivo and processes of inactivation under local laser influence

Alexander Akchurin, Garif Akchurin, Roman Gorshkov, Leonid Melnikov, Vyacheslav Ninel, George Seliverstov

Proceedings Volume 5696, (2005) https://doi.org/10.1117/12.589098

KEYWORDS: Action potentials, Neurons, Nerve, Axons, Pulsed laser operation, Semiconductor lasers, Laser damage threshold, Ions, Sodium, Wave propagation

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Proceedings Article | 13 July 2004 Paper

Modeling of waveguide modes of microstructure fibers with hexagonal lattices

Andrey Konyukhov, Leonid Melnikov

Proceedings Volume 5476, (2004) https://doi.org/10.1117/12.578818

KEYWORDS: Optical fibers, Beam propagation method, Cladding, Dispersion, Information operations, Waveguide modes, Optical simulations, Waveguides, Photonic crystals, Fourier transforms

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Proceedings Article | 13 July 2004 Paper

Refraction in two-dimensional photonic crystals

Irina Khromova, Leonid Melnikov

Proceedings Volume 5476, (2004) https://doi.org/10.1117/12.578839

KEYWORDS: Refraction, Dispersion, Photonic crystals, Negative refraction, Wave propagation, Interfaces, Dielectrics, Medium wave, Refractive index, Energy transfer

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Proceedings Article | 23 September 2003 Paper

Gain properties of one-dimensional photonic crystals with finite number of active layers

Olga Kozina, Leonid Melnikov

Proceedings Volume 5067, (2003) https://doi.org/10.1117/12.518605

KEYWORDS: Photonic crystals, Metals, Dielectrics, Refractive index, Electromyography, Geometrical optics, Magnetism, Molecular photonics, Molecular spectroscopy, Wave propagation

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Proceedings Article | 23 September 2003 Paper

Loss measurement in perfect-structure glass holey fibers

Yuliya Skibina, L. Melnikov, P. Glas, D. Fischer, R. Wedell

Proceedings Volume 5067, (2003) https://doi.org/10.1117/12.518604

KEYWORDS: Optical fibers, Glasses, Metals, Neodymium, Capillaries, Photonic crystal fibers, Nanolithography, CCD cameras, Physics, Neon

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Proceedings Article | 3 June 2002 Paper

Dispersion characteristics of 1D photonic crystals with passive and active layers

Olga Kozina, Leonid Melnikov

Proceedings Volume 4706, (2002) https://doi.org/10.1117/12.469586

KEYWORDS: Dispersion, Photonic crystals, Wave propagation, Signal attenuation, Dielectrics, Refractive index, Radio propagation, Electromagnetism, Chemical species, 3D modeling

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Proceedings Article | 3 June 2002 Paper

Anomalous action of spontaneous emission on the bandwidth of synchronization in YAG:Nd mode-locked laser

Alexander Akchurin, Garif Akchurin, Leonid Melnikov

Proceedings Volume 4706, (2002) https://doi.org/10.1117/12.469595

KEYWORDS: Mode locking, Pulsed laser operation, Second-harmonic generation, Modulation, Signal attenuation, Numerical simulations, Harmonic generation, Signal generators, Dielectrophoresis, Stochastic processes

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Proceedings Article | 3 June 2002 Paper

Polarization transverse-pattern dynamics in lasers and their classification based on the characterization of its singular points

Irina Veshneva, Leonid Melnikov, Maria Ryabinina, Andrey Konukhov

Proceedings Volume 4706, (2002) https://doi.org/10.1117/12.469608

KEYWORDS: Polarization, Image classification, Anisotropy, Signal processing, Physics, Molecular spectroscopy, Spherical lenses, Americium, Free space, Magnetism

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Proceedings Article | 29 May 2002 Paper

Holey fibers with 0.4-to 32mu-lattice-constant photonic band-gap cladding: fabrication, characterization, and applications

Andrei Fedotov, Michael Alfimov, A. Ivanov, Sergei Bagayev, V. Pivtsov, Alexander Tarasevitch, Dietrich von der Linde, A. Podshivalov, Leonid Golovan, Pavel Kashkarov, Valentin Beloglazov, M. Syrchin, Stanislav Konorov, S. Magnitskii, Andrey Tarasishin, Dusan Chorvat, A. Naumov, Dmitri Sidorov-Biryukov, Leonid Melnikov, Nina Skibina, Alexei Zheltikov

Proceedings Volume 4748, (2002) https://doi.org/10.1117/12.468967

KEYWORDS: Optical fibers, Cladding, Physics, Dispersion, Photonic crystals, Femtosecond phenomena, Biomedical optics, Sapphire lasers, Beam controllers, Refractive index

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Proceedings Article | 9 May 2001 Paper

Fine structure of the photonic bandgaps and photonic band windows and saddle points in the dispersion characteristics of one-dimensional photonic crystals

Olga Kozina, Leonid Melnikov

Proceedings Volume 4243, (2001) https://doi.org/10.1117/12.426679

KEYWORDS: Photonic crystals, Dispersion, Light wave propagation, Radio propagation, Wave propagation, Planar waveguides, Dielectrics, Polarization, Refractive index, Dielectric polarization

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Proceedings Article | 9 May 2001 Paper

Diffraction and transmittance of two-dimensional photonic crystal fiber

Leonid Melnikov, Yurii Sinichkin, Yuliya Skibina

Proceedings Volume 4243, (2001) https://doi.org/10.1117/12.426678

KEYWORDS: Optical fibers, Photonic crystals, Diffraction, Transmittance, Photonic crystal fibers, Glasses, Crystals, Cladding, Polarization, Waveguides

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Proceedings Article | 9 May 2001 Paper

Optical dynamic chaos in gas-discharge laser with delayed feedback

Alexander Akchurin, Garif Akchurin, Leonid Melnikov

Proceedings Volume 4243, (2001) https://doi.org/10.1117/12.426676

KEYWORDS: Chaos, Feedback signals, Capillaries, Neon, Nonlinear optics, Helium, Complex systems, Modulators, Transition metals, Information security

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Proceedings Article | 9 May 2001 Paper

Excitation of antiprotonic helium by a single laser pulse of variable intensity

Vladimir Derbov, Leonid Melnikov, Natalia Teper, Igor Umanskii, Sergey Vinitsky

Proceedings Volume 4243, (2001) https://doi.org/10.1117/12.426685

KEYWORDS: Pulsed laser operation, Helium, Spectroscopy, Laser spectroscopy, Numerical modeling, Physics, Molecular spectroscopy, Particles, Interfaces, Microwave radiation

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Proceedings Article | 9 May 2001 Paper

Pulse-train dynamics simulation in Kerr-lens mode-locked solid state laser using a full spatio-temporal numerical model

Andrey Konukhov, Leonid Melnikov

Proceedings Volume 4243, (2001) https://doi.org/10.1117/12.426686

KEYWORDS: Mode locking, Dispersion, Mirrors, Polarization, Refractive index, Solid state lasers, Computer simulations, Optical simulations, Nonlinear dynamics, Amplitude modulation

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Proceedings Article | 20 March 2000 Paper

Potential dynamics of the human striate cortex cerebrum realistic neural network under the influence of an external signal

Leonid Melnikov, Anna Novosselova, Nadejda Blinova, Sergey Vinitsky, Vladislav Serov, Valery Bakutkin, T. Camenskich, E. Guileva

Proceedings Volume 4002, (2000) https://doi.org/10.1117/12.380134

KEYWORDS: Neurons, Visualization, Retina, Brain, Neural networks, Eye, Visual analytics, Nerve, Cerebrum, Receptors

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Proceedings Article | 20 March 2000 Paper

Numerical modeling of some peculiarities of multipulse excitation of antiprotonic helium

Vladimir Derbov, Leonid Melnikov, Natalia Teper, Igor Umanskii

Proceedings Volume 4002, (2000) https://doi.org/10.1117/12.380130

KEYWORDS: Laser spectroscopy, Helium, Numerical modeling, Spectroscopy, Chemical species, Physics, Particles, Picosecond phenomena, Pulsed laser operation, Molecules

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Proceedings Article | 4 March 1999 Paper

Pulse-train dynamics in an all-fiber ring laser

Denis Bandurin, Leonid Melnikov

Proceedings Volume 3726, (1999) https://doi.org/10.1117/12.341400

KEYWORDS: Pulsed laser operation, Fiber lasers, Polarizers, Numerical simulations, Mode locking, Femtosecond phenomena, Interferometers, Phase shift keying, Polarization, Kerr effect

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Proceedings Article | 4 March 1999 Paper

Influence of the complex-shape light signal on the neural network

Leonid Melnikov, Anna Novosselova, Nadejda Blinova

Proceedings Volume 3726, (1999) https://doi.org/10.1117/12.341402

KEYWORDS: Neurons, Neural networks, Visualization, Brain, Visual process modeling, Axons, Data processing, Statistical modeling, Spatial frequencies, Signal processing

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Proceedings Article | 4 March 1999 Paper

Total field transformation in nonregular optical fibers

Ella Bekker, Elena Romanova, Leonid Melnikov

Proceedings Volume 3726, (1999) https://doi.org/10.1117/12.341399

KEYWORDS: Optical fibers, Wave propagation, Cladding, Paraxial approximations, Transmittance, Single mode fibers, Transform theory, Magnetism, Light wave propagation, Refraction

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Proceedings Article | 4 March 1999 Paper

Nonlinear polarization phenomena in lasers with anisotropic cavity

Andrey Konukhov, Maria Ryabinina, Irina Veshneva, Leonid Melnikov

Proceedings Volume 3726, (1999) https://doi.org/10.1117/12.341397

KEYWORDS: Polarization, Mirrors, Magnetism, Optical filters, Radon, Numerical modeling, Free space, Transition metals, Numerical simulations, Optical spheres

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Proceedings Article | 4 March 1999 Paper

Coherent laser pulse technique for study and control of metastable antiprotonic helium

Vladimir Derbov, Leonid Melnikov, Natalia Teper, Igor Umanskii, S. Vinitskii

Proceedings Volume 3726, (1999) https://doi.org/10.1117/12.341401

KEYWORDS: Helium, Chemical species, Particles, Pulsed laser operation, Laser spectroscopy, Quantum cascade lasers, Agriculture, Molecules, Spectroscopy, Solids

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Proceedings Article | 7 July 1998 Paper

Spatial transformation of the total field in active fiber tapers

Leonid Melnikov, Elena Romanova

Proceedings Volume 3283, (1998) https://doi.org/10.1117/12.316646

KEYWORDS: Waveguides, Cladding, Dispersion, Structured optical fibers, Wave propagation, Scanning helium ion microscopy, Strontium, Physics, Magnetism, Waveguide modes

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Proceedings Article | 10 June 1997 Paper

Dynamics of polarization transverse patterns in lasers

Leonid Melnikov, Andrey Konukhov, Maria Ryabinina

Proceedings Volume 3177, (1997) https://doi.org/10.1117/12.276188

KEYWORDS: Polarization, Numerical modeling

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Proceedings Article | 10 June 1997 Paper

Numerical simulation of nonlinear dynamics of the transverse field pattern in a laser

Leonid Melnikov, Irina Veshneva, Andrey Konukhov

Proceedings Volume 3177, (1997) https://doi.org/10.1117/12.276180

KEYWORDS: Numerical simulations, Nonlinear dynamics, Mirrors, Laser optics, Computer simulations, Modeling, Active optics, Spherical lenses, Optical vortices

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Proceedings Article | 6 June 1997 Paper

Behavior of HE1m mode wavenumbers and power flow near the cutoff frequency in absorbing fiber tapers

Leonid Melnikov, Elena Romanova

Proceedings Volume 2994, (1997) https://doi.org/10.1117/12.275582

KEYWORDS: Cladding, Dispersion, Scanning helium ion microscopy, Wave propagation, Radio propagation, Absorption, Waveguides, Structured optical fibers, Numerical analysis, Physics

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Proceedings Article | 6 June 1997 Paper

Numerical modeling of light beam propagation in nonlinear waveguide media: effects of misalignment and inhomogeneous broadening

Leonid Melnikov, Vladimir Derbov, Aleksey Bychenkov, Olga Priyutova

Proceedings Volume 2994, (1997) https://doi.org/10.1117/12.275635

KEYWORDS: Waveguides, Beam propagation method, Doppler effect, Gaussian beams, Wave propagation, Numerical modeling, Light wave propagation, Numerical analysis, Wavefronts, Numerical integration

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Proceedings Article | 10 May 1996 Paper

Coherent laser spectroscopy of pHe+

Leonid Melnikov, Vladimir Derbov, I. Umansky, Sergey Vinitsky

Proceedings Volume 2797, (1996) https://doi.org/10.1117/12.239802

KEYWORDS: Laser spectroscopy, Pulsed laser operation, Magnetism, Spectroscopy, Polarization, Absorption, Physics, Helium, Dye lasers, Transition metals

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Proceedings Article | 1 May 1996 Paper

Spatial dynamics of the output speckle pattern of multimode fiber excited by frequency-sweeping He-Ne laser

Garif Akchurin, Leonid Melnikov, Elena Romanova

Proceedings Volume 2693, (1996) https://doi.org/10.1117/12.239009

KEYWORDS: Near field, Multimode fibers, Helium neon lasers, Polarization, Step index fibers, Computer simulations, Cladding, Correlation function, Speckle pattern, Fiber lasers

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Proceedings Article | 1 May 1996 Paper

Cladding effects in single-mode fiber: space and polarization phenomena

Leonid Melnikov, Elena Romanova, Sergey Romanov

Proceedings Volume 2693, (1996) https://doi.org/10.1117/12.239008

KEYWORDS: Cladding, Polarization, Gaussian beams, Waveguides, Near field, Single mode fibers, Dielectric polarization, Transform theory, Numerical simulations, Fiber optics

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Proceedings Article | 29 April 1996 Paper

Kinetics of defects and phase curves in transverse pattern of lasers

Leonid Melnikov, Irina Veshneva, Andrey Konukhov

Proceedings Volume 2792, (1996) https://doi.org/10.1117/12.239179

KEYWORDS: Mirrors, Spiral phase plates, Argon, Numerical simulations, Spherical lenses, Motion models, Optical vortices, Laser resonators, Systems modeling, Free space

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Proceedings Article | 19 June 1995 Paper

Numerical simulations of nonparaxial beam self-action and transverse pattern formation in nonlinear media

Vladimir Derbov, Leonid Melnikov

Proceedings Volume 2399, (1995) https://doi.org/10.1117/12.212520

KEYWORDS: Wave propagation, Beam propagation method, Refractive index, Numerical simulations, Numerical analysis, Paraxial approximations, Ordinary differential equations, Free space, Scattering, Glasses

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Proceedings Article | 6 July 1994 Paper

Investigation of YAG:Nd laser with low-level mode-locking signal

Garif Akchurin, Leonid Melnikov, Andrew Ognischev

Proceedings Volume 2099, (1994) https://doi.org/10.1117/12.179648

KEYWORDS: Modulation, Mode locking, Pulsed laser operation, Signal attenuation, Modulators, Mirrors, Oscilloscopes, Second-harmonic generation, Physics, Numerical simulations

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Proceedings Article | 6 July 1994 Paper

Nonlinear dynamics of additive-pulse mode-locked solid-state lasers: numerical simulations

Leonid Melnikov

Proceedings Volume 2099, (1994) https://doi.org/10.1117/12.179629

KEYWORDS: Mode locking, Pulsed laser operation, Solid state lasers, Numerical simulations, Nonlinear dynamics, Mirrors, Modulation, Picosecond phenomena, Wave propagation, Dispersion

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Proceedings Article | 11 December 1992 Paper

Dynamics of optical solitons in fiber with periodically modulated core diameter

Leonid Melnikov, R. Bauer

Proceedings Volume 1841, (1992) https://doi.org/10.1117/12.131825

KEYWORDS: Dispersion, Modulation, Solitons, Waveguides, Wave propagation, Solids, Optical solitons, Step index fibers, Refractive index, Superposition

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Proceedings Article | 1 April 1992 Paper

Self-action of ultrashort pulses in optical waveguides: effects of weak self-focusing and radiated fields

Leonid Melnikov, R. Bauer

Proceedings Volume 1626, (1992) https://doi.org/10.1117/12.58084

KEYWORDS: Waveguides, Dispersion, Nonlinear optics, Cladding, Numerical simulations, Wave propagation, Computer simulations, Neodymium, Planar waveguides, Diffraction

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