Search Results - "Gorbach, Andrey V"

Discrete breathers — Advances in theory and applications by Flach, Sergej, Gorbach, Andrey V.

“…Nonlinear classical Hamiltonian lattices exhibit generic solutions — discrete breathers. They are time-periodic and (typically exponentially) localized in…”
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Light scattering by a finite obstacle and fano resonances by Tribelsky, Michael I, Flach, Sergej, Miroshnichenko, Andrey E, Gorbach, Andrey V, Kivshar, Yuri S

“…The conditions for observing Fano resonances at elastic light scattering by a single finite-size obstacle are discussed. General arguments are illustrated by…”
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Parametric resonances and resonant delocalisation in quasi-phase matched photon-pair generation and quantum frequency conversion by Main, Philip B, Mosley, Peter J, Gorbach, Andrey V

“…The existing widely-accepted theory of photon-pair generation via spontaneous down-conversion (SPDC) in nonlinear optical crystals and waveguides is…”
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Soliton self-frequency shift, non-solitonic radiation and self-induced transparency in air-core fibers by Gorbach, Andrey V, Skryabin, Dmitry V

“…We report numerical investigation of several effects accompanying propagation of femtosecond pulses in air-core photonic crystal fibers.We have found that the…”
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Graphene Plasmonic Waveguides for Mid-Infrared Supercontinuum Generation on a Chip by Gorbach, Andrey V

“…Using perturbation expansion of Maxwell equations with the nonlinear boundary condition, a generic propagation equation is derived to describe nonlinear…”
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Colloquium : Looking at a soliton through the prism of optical supercontinuum by Skryabin, Dmitry V., Gorbach, Andrey V.

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Microfiber-Lithium Niobate on Insulator Hybrid Waveguides for Efficient and Reconfigurable Second-Order Optical Nonlinearity on a Chip by Gorbach, Andrey V, Ding, Wei

“…We present an optical microfiber-lithium niobate on insulator (MF-LNOI) hybrid waveguide for efficient second-order nonlinear processes. The structure combines…”
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Highly efficient broadband second harmonic generation mediated by mode hybridization and nonlinearity patterning in compact fiber-integrated lithium niobate nano-waveguides by Cai, Lutong, Gorbach, Andrey V., Wang, Yiwen, Hu, Hui, Ding, Wei

“…The inherent trade-off between efficiency and bandwidth of three-wave mixing processes in χ 2 nonlinear waveguides is the major impediment for scaling down…”
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Doubly‐Resonant Enhancement of Second Harmonic Generation from a WS2 Nanomesh Polymorph with a Modified Energy Landscape by Murphy, Alexander W. A., Liu, Zichen, Gorbach, Andrey V., Ilie, Adelina, Valev, Ventsislav K.

“…Although transition metal dichalcogenides (TMDs, e.g., WS2, WSe2, MoS2, MoSe2) have emerged as highly promising 2D materials for nonlinear optics, they are…”
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Near infrared ultrafast pump-probe spectroscopy with ZrF4-BaF2-LaF3-AlF3-NaF fiber supercontinuum by Fischbach, Stefan, Gorbach, Andrey V., Di Nuzzo, Daniele, Da Como, Enrico

“…We report on the performance of a setup designed for femtosecond pump-probe spectroscopy in the near infrared (NIR) spectral region. We generate a…”
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Temporal quadratic solitons and their interaction with dispersive waves in lithium niobate nanowaveguides by Rowe, William R., Skryabin, Dmitry V., Gorbach, Andrey V.

“…We present a model of soliton propagation in waveguides with quadratic nonlinearity. Criteria for solitons to exist in such waveguides are developed and two…”
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Nonlinear switching with a graphene coupler by Smirnova, Daria A., Gorbach, Andrey V., Iorsh, Ivan V., Shadrivov, Ilya V., Kivshar, Yuri S.

“…We study nonlinear propagation of electromagnetic waves in two closely spaced graphene layers and demonstrate that this double-layer graphene waveguide can…”
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Theory of radiation trapping by the accelerating solitons in optical fibers by Gorbach, Andrey V., Skryabin, Dmitry V.

“…We present a theory describing trapping of the normally dispersive radiation by the Raman solitons in optical fibers. Frequency of the radiation component is…”
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Quadratic Solitons and their Interaction with Dispersive Waves in Lithium Niobate Nano-Waveguides by Rowe, William, Gorbach, Andrey V., Skryabin, Dmitry V.

“…Lithium Noibate (LN) nano-waveguides combine the high nonlinearity and broadband transparency of LN with the sensitive tunability of geometric group velocity…”
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Doubly‐Resonant Enhancement of Second Harmonic Generation from a WS 2 Nanomesh Polymorph with a Modified Energy Landscape by Murphy, Alexander W. A., Liu, Zichen, Gorbach, Andrey V., Ilie, Adelina, Valev, Ventsislav K.

“…Abstract Although transition metal dichalcogenides (TMDs, e.g., WS 2 , WSe 2 , MoS 2 , MoSe 2 ) have emerged as highly promising 2D materials for nonlinear…”
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Non‐Linear Optics: Doubly‐Resonant Enhancement of Second Harmonic Generation from a WS 2 Nanomesh Polymorph with a Modified Energy Landscape (Laser Photonics Rev. 15(6)/2021) by Murphy, Alexander W. A., Liu, Zichen, Gorbach, Andrey V., Ilie, Adelina, Valev, Ventsislav K.

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Non‐Linear Optics: Doubly‐Resonant Enhancement of Second Harmonic Generation from a WS2 Nanomesh Polymorph with a Modified Energy Landscape (Laser Photonics Rev. 15(6)/2021) by Murphy, Alexander W. A., Liu, Zichen, Gorbach, Andrey V., Ilie, Adelina, Valev, Ventsislav K.

“…The cover image represents laser light illuminating a densely‐spaced, randomly‐arranged, 3D‐network of a WS2 polymorph (“nanomesh”), where 2D sheets intersect…”
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Discrete gap breathers in a diatomic Klein-Gordon chain: stability and mobility by Gorbach, Andrey V, Johansson, Magnus

“…A one-dimensional diatomic chain with harmonic intersite potential and nonlinear external potential is considered (the Klein-Gordon model). Localized solutions…”
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Quasiperiodic localized oscillating solutions in the discrete nonlinear Schrödinger equation with alternating on-site potential by Johansson, Magnus, Gorbach, Andrey V

“…We present an example of an exact quasiperiodic localized stable solution with spatially symmetric large-amplitude oscillations in a nonintegrable Hamiltonian…”
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Topological edge states in equidistant arrays of Lithium Niobate nano-waveguides by Gorbach, Andrey V, Beer, Jesper, Souslov, Anton

“…Opt. Lett. 48, 1982 (2023) We report that equidistant 1D arrays of thin-film Lithium Niobate nano-waveguides generically support topological edge states…”
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