Competition between growths governed by Bernoulli percolation

O Garet, R Marchand - arXiv preprint math/0507133, 2005 - arxiv.org
We study a competition model on $\mathbb {Z}^ d $ where the two infections are driven by
supercritical Bernoulli percolations with distinct parameters $ p $ and $ q $. We prove that …

Reflection-geometry photorefractive quantum wells

DD Nolte, MR Melloch, I Lahiri - Optics letters, 1996 - opg.optica.org
We present what is to our knowledge the first demonstration of photorefractive AlGaAs/GaAs
quantum wells operated in the reflection geometry, using the quantum-confined Stark effect …

Electro‐optic and photorefractive properties of long‐period Fibonacci superlattices

M Dinu, MR Melloch, DD Nolte - Journal of applied physics, 1996 - pubs.aip.org
We have investigated the transverse‐field electroabsorption of long‐period GaAs/AlGaAs
Fibonacci superlattices for three different realizations of the Fibonacci sequence and …

Influence of nonlinear electron mobility on response time in photorefractive semiconductor quantum wells

M Wichtowski, A Ziolkowski… - Journal of Nonlinear …, 2012 - World Scientific
Nonlinear transport of hot electrons in semi-insulating GaAs/AlGaAs quantum wells
significantly affects their photorefractive properties. In case of two waves mixing, this …

Wide-field, real-time depth-resolved imaging using structured illumination with photorefractive holography

Z Ansari, Y Gu, J Siegel, R Jones, PMW French… - Applied physics …, 2002 - pubs.aip.org
We have demonstrated real-time, wide-field depth-resolved imaging by combining the
techniques of structured illumination and photorefractive holography. These proof of …

Electroabsorption field imaging between coplanar metal contacts on semi‐insulating semiconductor epilayers

DD Nolte, NP Chen, MR Melloch… - Applied physics …, 1996 - pubs.aip.org
We use excitonic electroabsorption field imaging to study the electric field distribution
between coplanar gold Schottky contacts on semi‐insulating photorefractive AlGaAs …

Theory of the photorefractive effect for multiple-quantum-well structures in perpendicular field reflection grating geometry

VV Shkunov, MV Zolotarev - JOSA B, 1995 - opg.optica.org
The theory of photorefractive grating formation in a semi-insulating GaAs/AlGaAs multiple-
quantum-well structure (MQWS) with an electric field applied across the layers and for …

Standard model of a photorefractive effect and moving grating wave-mixing in semi-insulating GaAs quantum wells

B Jabłoński, M Wichtowski, A Ziółkowski… - Optical and Quantum …, 2017 - Springer
Theoretical analysis of photorefractive GaAs/AlGaAs multiple quantum well structure in a
wave-mixing geometry with moving interference pattern is presented. The numerical …

Quasisteady space-charge fields in photorefractive multiple quantum wells: Edge effects

M Aguilar, M Carrascosa, F Agullo-Lopez, L Solymar… - Physical Review B, 1997 - APS
An analytical solution has been obtained for the quasi-steady-state space-charge fields
recorded in a photoconductive multiple quantum well (MQW) neglecting longitudinal …

Optical phase conjugation in InGaAs/GaAs multiple quantum wells at 1.06 μm wavelength

Y Zhao, C Wu, P Shah, MK Kim, LR Dawson - Applied physics letters, 1993 - pubs.aip.org
The observation of phase conjugation in InGaAs/GaAs multiple quantum wells at 1.06 pm
wavelength is reported on. The effective nonlinearity of the sample used in our experiments …