Numerical analysis of photorefractive grating formation dynamics at large modulation in BSO

GA Brost - Optics communications, 1993 - Elsevier
The photorefractive grating formation dynamics were modeled numerically for bismuth
silicon oxide under conditions of stationary recording with a dc applied electric field. These …

Charge shielding effects of photoexcited mobile carriers on occupied deep trapping centers in BSO

AE Attard - Applied optics, 1988 - opg.optica.org
Evidence is presented to support the theory that photoexcited charge carriers screen the
field due to the trapped charges that form the phase grating in photorefractive materials. The …

Theoretical analysis of the photocurrent dark decay in photorefractive media

P Vaveliuk, B Ruiz, R Duchowicz… - IEEE journal of …, 2000 - ieeexplore.ieee.org
The photocurrent dark decay in photorefractive materials is theoretically analyzed by using
two different dynamical approaches-namely, the shallow traps and electron-hole transport …

Response of photorefractive materials for given initial conditions: an analytical solution

LB Au - Optics communications, 1989 - Elsevier
The response of photorefractive materials is considered when there is no optical input but
previous optical excitation is taken into account by a set of initial conditions. The temporal …

Space-charge field in photorefractive media with a constant applied magnetic field

PM Johansen, AS Jensen - JOSA B, 1991 - opg.optica.org
The photorefractive band transport model is extended to include magnetic effects. The
Newtonian equation of motion for electrons in the conduction band under combined electric …

Grating formation with very short pulses in photorefractive materials: weak excitation limit

H Okamura, K Takeuchi, T Tanaka, K Kuroda - JOSA B, 1997 - opg.optica.org
The evolution of the space-charge field under illumination with weak very short pulses is
discussed. Under a weak irradiation limit the space-charge field after recombination of the …

Photorefractive phase shift induced by nonlinear electronic transport

QN Wang, RM Brubaker, DD Nolte - Optics letters, 1994 - opg.optica.org
A photorefractive phase shift can be generated under dc applied fields if the dominant
photocarriers have a nonlinear velocity-field dependence with a vanishing differential …

Theory of photorefractive effects in electro-optic crystals

GC Valley, JF Lam - Photorefractive Materials and Their Applications I …, 2005 - Springer
This chapter provides a detailed review of theoretical work on the photorefractive effect. The
physical model of photorefractivity used here, which now seems well established by many …

Photorefractive quantum wells and thin films

DD Nolte, MR Melloch - Photorefractive Effects and Materials, 1995 - Springer
The photorefractive effect consists of three roughly separate physical processes:
photoexcitation of charge carriers; electronic transport and trapping; and an electrooptic …

Slowing Down of Light in Photorefractive Crystals<? format?> with Beam Intensity Coupling Reduced to Zero

A Shumelyuk, K Shcherbin, S Odoulov, B Sturman… - Physical review …, 2004 - APS
Signal Pump Page 1 Slowing Down of Light in Photorefractive Crystals with Beam Intensity
Coupling Reduced to Zero A. Shumelyuk,1 K. Shcherbin,1 S. Odoulov,1 B. Sturman,2 E …