Surface waves propagating along the interface between parabolic graded-index medium and photorefractive crystal with diffusion nonlinearity

SE Savotchenko - Physica B: Condensed Matter, 2023 - Elsevier
… attenuating with oscillations into the photorefractive crystal can … The effect of the optical
characteristics of the crystals on field … waves with a non-oscillating profile. The period of spatial …

Photorefractive devices and applications

H Rajbenbach, JP Huignard - Optical Computing, 2020 - taylorfrancis.com
… of the photorefractive grating recording in electro-optic crystals: … index of the crystal (An) by
the linear electro-optic effect. … an oscillation between a classical mirror and a photorefractive

Photorefractive materials

C Medrano, P Günter - CRC Handbook of Laser Science and …, 2020 - taylorfrancis.com
… Investigation of grating dark decays in photorefractive B i 12S iO 20 crystals39showed a de
… An oscillatory behavior in the diffraction efficiency was reported for longer illumination times, …

Nonlinear surface waves in a symmetric three-layer structure that is composed of optical media with different formation mechanisms of nonlinear response

SE Savotchenko - Optics and Spectroscopy, 2020 - Springer
… of the photorefractive crystals either with or without oscillations, can … crystal, a photorefractive
grating is formed under the action of light only in those regions of the photorefractive crystal

The surface waves propagating along the contact between the layer with the constant gradient of refractive index and photorefractive crystal

SE Savotchenko - Journal of Optics, 2022 - iopscience.iop.org
… The formation of a photorefractive grating occurs at a wavelength of 633 nm [52] in Bi 12 …
determined by equation (21), which damps into the photorefractive crystal with oscillations. …

Spatial modulation spectroscopy of semiconductors using dynamic gratings

AL Tolstik, IG Dadenkov… - Journal of Optical …, 2022 - opg.optica.org
… volume grating formation that result in recording of gratings with … recording of volume gratings
in photorefractive crystals. A … The amplitude of the oscillating component resulting from the …

Self-trapping of optical beams in photorefractive media

FU Bordoni - Frontiers in Nonlinear Optics, The Sergei …, 2021 - books.google.com
… The nonlinear effects which are responsible for soliton … Since the key to this nonlinear
scattering process is grating … itself as optical amplification, photorefractive oscillation (White et. al …

Improvement of oscillation characteristics of ring oscillator through photoconductivity and dielectric constant of photorefractive materials

MK Maurya - Indian Journal of Physics, 2020 - Springer
… This frequency detuning, of the order of 1–10 Hz in BaTiO 3 , is due to the grating motion
in the crystal, which itself is inherently dependent upon the optical phases and amplitudes of …

Temperature-controlled waveguide properties of the linearly graded-index film in the photorefractive crystal

SE Savotchenko - Applied Physics B, 2023 - Springer
crystals exhibit different types of non-linear effects in different … are the Kerr effect [7, 8] and
the photorefractive effect [9, 10]. … spatial oscillations in a photorefractive crystal using Eq. (16), …

Subwavelength Photorefractive Grating in a Thin‐Film Lithium Niobate Microcavity

J Hou, J Zhu, R Ma, B Xue, Y Zhu, J Lin… - Laser & Photonics …, 2024 - Wiley Online Library
… [ 36 ] This SPG possesses a large grating vector, enabling some intriguing nonlinear
effects such as BSHG and vertical excited SHG, which shall be elaborated on later. …