Pyroliton: pyroelectric spatial soliton
The concept of optical beam self-trap** in pyroelectric photorefractive medium is
presented. We show that the temperature controlled spontaneous polarisation of …
presented. We show that the temperature controlled spontaneous polarisation of …
Immobilization of photorefractive solitons by charge anchoring on conductive walls
Spatial solitons have shown great promise for various applications, but their limited stability
in terms of beam movement has been a significant hindrance. This limitation is especially …
in terms of beam movement has been a significant hindrance. This limitation is especially …
Bending optical soliton-induced waveguide channels in a photorefractive LiNbO3 crystal
L Tsarukyan, A Badalyan, R Drampyan - Applied Physics B, 2022 - Springer
The bending bright spatial optical soliton generation in a photorefractive Fe-doped lithium
niobate (LN: Fe) crystal controlled by pyroelectric effect is demonstrated experimentally. A …
niobate (LN: Fe) crystal controlled by pyroelectric effect is demonstrated experimentally. A …
Nonlinear continuous orbital-angular-momentum modulation of linearly polarized Bessel beams
We numerically and experimentally demonstrate the nonlinear continuous modulation of
orbital angular momentum (OAM) of a linearly polarized high-order Bessel beam in a biased …
orbital angular momentum (OAM) of a linearly polarized high-order Bessel beam in a biased …
Surface-wave pyroelectric photorefractive solitons
Surface-wave solitons, induced by the pyroelectric effect, are formed at the interface
between a photorefractive ferroelectric medium and a linear medium. These optical solitons …
between a photorefractive ferroelectric medium and a linear medium. These optical solitons …
Two-photoactive-center model applied to photorefractive self-focusing in biased LiNbO
We propose a time-dependent, three-dimensional numerical model where iron impurities
and polarons are both considered photoactive centers to explain beam self-trap** in …
and polarons are both considered photoactive centers to explain beam self-trap** in …
Ptychographic analysis of the photorefractive effect in LiNbO3:Fe
C Bernert, R Hoppe, F Wittwer, T Woike… - Optics express, 2017 - opg.optica.org
We present light induced refractive index changes in iron doped lithium niobate detected
with a novel microscopy technique called ptychography. This method determines the …
with a novel microscopy technique called ptychography. This method determines the …
Polarization and configuration dependence of beam self-focusing in photorefractive LiNbO3
We present numerical and experimental analyses showing the formation of (2+ 1) D spatial
photorefractive solitons at visible wavelengths in electrically biased lithium niobate crystals …
photorefractive solitons at visible wavelengths in electrically biased lithium niobate crystals …
Pyroelectric-controlled bending of a self-trapped optical beam in a photorefractive iron doped lithium niobate crystal
We present the experimental demonstration of a self-trapped optical beam bending in a
photorefractive Fe-doped lithium niobate (LN: Fe) crystal controlled by the pyroelectric effect …
photorefractive Fe-doped lithium niobate (LN: Fe) crystal controlled by the pyroelectric effect …
Regular optical patterns formation and pyroelectric controlled beam self-localization in a photorefractive LiNbO3: Fe crystal
LM Tsarukyan, AM Badalyan… - … and Modern Trends …, 2019 - spiedigitallibrary.org
We report for the first time a regular optical patterns formation in a laser beam propagating
through a Fe doped lithium niobate (LN: Fe) crystal. The process was controlled by …
through a Fe doped lithium niobate (LN: Fe) crystal. The process was controlled by …