Experimental studies of phase conjugation with depleted pumps in photorefractive media

SK Kwong, YH Chung, M Cronin-Golomb, A Yariv - Optics letters, 1985 - opg.optica.org
We describe the experimental measurement of phase-conjugate reflectivity versus various
ratios of input-beam intensities in photorefractive barium titanate and strontium barium …

Double phase-conjugate mirror: experimental investigation and comparison with theory

NV Bogodaev, VV Eliseev, LI Ivleva, AS Korshunov… - JOSA B, 1992 - opg.optica.org
An experimental investigation of the geometry of a double phase-conjugate mirror in a
photorefractive strontium barium niobate crystal is carried out. A shift of the transverse …

SELF-PUMPED PHASE CONJUGATION IN PHOTOREFRACTIVE BARIUM-TITANATE.

KR MacDonald - 1987 - elibrary.ru
Phase conjugation is the general term for a process which produces an optical wave that
propagates in the opposite sense of an incident wave. In self-pumped phase conjugation …

Double signal phase conjugation with a Cat conjugator

X Sun, Y Jiang, Z Zhou - Optics & Laser Technology, 2001 - Elsevier
The phase conjugate reflection of double signals, induced by the self-pumped phase
conjugation, is demonstrated in a 16° cut Cu-doped potassium sodium strontium barium …

Enhanced photorefractive gain in Cr‐doped strontium barium niobate with an external dc electric field

K Sayano, A Yariv, RR Neurgaonkar - Journal of applied physics, 1990 - pubs.aip.org
We present experimental results offield-enhanced photorefractive two-beam coupling and
gain in Cr-doped strontium barium niobate crystals and its dependence on dopant …

Enhanced four-wave mixing in photorefractive BaTiO3 by use of tilted pump waves

C Denz, J Goltz, T Tschudi - Optics Communications, 1989 - Elsevier
We present an experimental investigation of the phase conjugate reflectivity as a function of
angular deviation from collinearity of the pump waves in BaTiO 3. In that case of four-wave …

Simple methods of measuring the net photorefractive phase shift and coupling constant

R Hofmeister, A Yariv, A Kewitsch, S Yagi - Optics letters, 1993 - opg.optica.org
We report measurements of the photorefractive phase shift and coupling constant of several
photorefractive materials. We solve the problem of beam coupling and diffraction in a …

Large photorefractive coupling coefficient in a thin cerium-doped strontium barium niobate crystal

RA Vazquez, FR Vachss, RR Neurgaonkar… - JOSA B, 1991 - opg.optica.org
Photorefractive two-beam-coupling coefficients are measured and compared in thin and
thick cerium-doped strontium barium niobate crystals fabricated from the same boule. For …

Intensity-dependent absorption coefficient in photorefractive BaTiO3 crystals

A Motes, JJ Kim - JOSA B, 1987 - opg.optica.org
It is shown experimentally that the nonsymmetric behavior of the beam-coupling gain
coefficient of BaTiO_3 crystals with respect to the sense of the c axis is caused by an …

Four-wave mixing in photorefractive crystals with depleted pumps

J Goltz, C Denz, H Klumb, T Tschudi, J Albers - Optics letters, 1988 - opg.optica.org
We present an analytical solution and experimental results for four-wave mixing in
photorefractive crystals with depleted pumps. The approximation that we introduce permits a …