Enhancement of two-wave mixing gain coefficient by resonant mechanism in photorefractive semiconductor

Y Zhao, C Tao, J Xiao, H Wang, X Jiang - Optik, 2021 - Elsevier
… application of two-wave mixing in photorefractive crystals. … Two-wave mixing (TWM) is
a process in which two coherent … conditions such as light beam polarization, temperature, …

[HTML][HTML] Period-Doubling Route to Chaos in Photorefractive Two-Wave Mixing

S Saju, K Kinashi, N Tsutsumi, W Sakai, BJ Jackin - Photonics, 2024 - mdpi.com
… the light beam with respect to the orientation of the, crystal which … Here, we see an increase
in the magnitude of gain … determination by self-induced coherent optical oscillations. In …

Degenerate Four-Wave Mixing by Transmission Holographic Gratings in a Bi12TiO20 Crystal of the (110)-Cut

VN Naunyka, SF Nichiporko, AV Makarevich… - Technical Physics, 2021 - Springer
… an BTO crystal of the (110)-cut upon two-wave mixing on the … light beam can be achieved
with stationary four-wave mixing by … This is due to the coherent summation of the partial waves …

[HTML][HTML] Multi-Wavelength Coherent-Perfect-Absorption− Laser Points and Half-Wave Phase Shift in Parity-Time-Reciprocal Scaling Symmetry Structure

Y Xiao, H Hu, X Chen, J Dong, D Zhao, F Liu - Crystals, 2023 - mdpi.com
… optical gain is further provided through two-wave mixing in Fe 3+ -doped LiNbO 3 using the
material’s photorefractive … at the pole of the transmitted light beam or the reflected light beam. …

Director grating and two-beam energy exchange in a hybrid photorefractive cholesteric cell with a helicoidal polymer network

VY Reshetnyak, IP Pinkevych, ME McConney… - Journal of Applied …, 2020 - pubs.aip.org
… substrates and illuminated by two intersecting coherent light … beams and the gain of the
weak light beam. We analyze the … than those obtained in typical solid photorefractive crystals. …

[HTML][HTML] Amplitude modulation of radiation by coupled resonators

AI Kanojka - Доклады Белорусского государственного …, 2020 - cyberleninka.ru
… In addition, due to the coherent summation of the amplitudes … voltage, which therefore
increases the working frequency … interferometer would have a light beam with the amplitude of …

Non-degenerate two-wave mixing in the subwavelength periodic motion regime

NM Lawandy, AY Smuk, J Lovett, A Umyskov - Optics Communications, 2022 - Elsevier
… and applications from photorefractive response and image … primarily focusing on the NDTWM
gain mechanism and the use … in cw mode at 577 nm with a coherence length of 10 m and a …

[PDF][PDF] Fluids of light in a nonlinear photorefractive medium

O Boughdad - 2020 - academia.edu
… other hand through the paraxial approximation of a propagating light beam[18]. We call the
first … effect, a two-wave mixing phenomenon can take place when two coherent beams propa…

Nonlinear optical dielectric waveguides

F Chen, H Amekura, Y Jia, F Chen, H Amekura… - Ion Irradiation of …, 2020 - Springer
… By using two-wave mixing method, the photorefractive … For example, by using selective
illumination of either coherent (… by using either a chopped pump light beam at 514.5 nm or a cw …

Multiple CPA− laser points and anisotropic reflection resonances in PT− symmetric Rudin-Shapiro photonic multilayers

M Wu, D Zhong, D Zhao, F Liu, M Fang… - Materials Today …, 2022 - Elsevier
… reflected, transmitted and incident light beam, respectively. If … optical gain and loss can be
achieved using two-wave mixing … In conclusion, the coherent-perfect-absorber−laser point is …