Photonic circuit design of adaptive two-wave mixing photorefractive interferometer

Z Qian, C Tao, J Li, F Peng, T Guo… - AOPC 2023: Laser …, 2023 - spiedigitallibrary.org
Two-wave mixing interferometry based on photorefractive crystals stands out among many
techniques for monitoring dynamic strain because it can provide multiple dynamic sensing …

Dual demodulation interferometer with two-wave mixing in GaAs photorefractive crystal

Z Zhenzhen, J Zhongqing, J Guangrong… - Optics and Lasers in …, 2018 - Elsevier
A dual demodulation interferometer with two-wave mixing (TWM) in the GaAs photorefractive
crystal (PRC) is proposed and experimentally demonstrated. The GaAs PRC has tiny …

Multi-channel adaptive interferometer based on orthogonal wave mixing in photorefractive crystal

RV Romashko, MN Bezruk, YN Kulchin… - 2011 Conference on …, 2011 - ieeexplore.ieee.org
Adaptive interferometry with photorefractive (PR) crystals [1] is well known as robust and
effective measuring technique for detection of quite small physical quantities (eg ultra-weak …

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
In this paper, two-wave mixing in photorefractive semiconductors at large modulation depth
is theoretically analyzed and discussed. An analytic expression of space-charge field …

Photonic integrated circuit microchip design of two-wave mixing interferometer for FBG acoustic emission sensor signal demodulation

H Wang, C Tao, Y Liu, Y Wu, C Feng… - … and Integration XI, 2022 - spiedigitallibrary.org
A photonic integrated adaptive two-wave mixing (TWM) interferometer is designed for
demodulation of FBG acoustic emission sensor signals, whose various optical elements are …

Concept of photorefractive connection module by photorefractive four-wave mixing with extraordinary writing beams and an ordinary reading beam

A Okamoto, H Matsuoka, M Saito, Y Takayama… - Optical review, 1999 - Springer
We propose a new optical network device photorefractive connection module (PRCM) which
operates as optical switch, amplifier and signal distributor controlled by parallel optical …

Tailoring of amplification spectrum using dc-field for high-precision two-wave mixing adaptive interferometry with CdTe

K Shcherbin, MB Klein… - Optical, Opto-Atomic, and …, 2019 - spiedigitallibrary.org
Two-wave mixing adaptive interferometers based on photorefractive crystals allow for
precise remote detection of small displacements. Using dynamic holograms, they …

Application of an adaptive two-wave mixing interferometer for detection of surface defects

J Ke, C Duan, W Yi, C Yan - 2016 Progress in Electromagnetic …, 2016 - ieeexplore.ieee.org
The technology of non-contact and non-destructive detection of acoustic and ultrasound
waveforms play an importance role in industrial application which make it possible to …

Stabilization of the phase conjugate reflectivity in photorefractive four-wave mixing

T SHIMURA, A NAKAMURA, K KURODA… - … Conference on Lasers …, 1996 - opg.optica.org
Phase conjugate reflectivity of the photorefractive four-wave mixing system is usually quite
unstable and it is serious issue for practical use of these systems. The cause of this …

All-optical tunable filter with photorefractive planar waveguide and suppression of crosstalk by apodized grating via photorefractive two-wave mixing

S Honma, N Tsuda, S Muto, K Sato… - Optical Design and …, 2008 - spiedigitallibrary.org
The wavelength division multiplexing (WDM) technology effectively increases the bandwidth
capacity of a communication line without installing additional fibers and increasing data bit …