Phase conjugation in BaTiO3 by use of the indirect photorefractive coupling of orthogonally polarized light waves

被引:2
|
作者
Jullien, P
Mathey, P
Lompre, P
Odoulov, S
Sturman, B
机构
[1] Univ Bourgogne, Phys Lab, Equipe Mat Opt Non Lineaire, F-21011 Dijon, France
[2] Natl Acad Sci Ukraine, Inst Phys, UA-265650 Kiev 22, Ukraine
[3] Russian Acad Sci, Inst Automat & Electrometry, Novosibirsk 630090, Russia
关键词
D O I
10.1364/JOSAB.15.002018
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A phase-conjugate wave is generated when an ordinary (extraordinary) signal wave is mixed with two counterpropagating extraordinary (ordinary) waves in the plane normal to the BaTiO3, polar axis. The photorefractive grating that couples the ordinary and the extraordinary waves appears if the incident waves induce a noticeable conical parametric scattering; this grating is a difference grating of many noisy scattering gratings recorded by means of the usual diffusion-mediated charge transport. For comparable intensities of signal and pump waves this type of nonlinear wave mixing is much more efficient than that which is due to the circular bulk photovoltaic effect. (C) 1998 Optical Society of America.
引用
收藏
页码:2018 / 2022
页数:5
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