High-order spatial harmonics of photorefractive gratings are detected directly in multiwave
mixing experiments in photorefractive AlGaAs/GaAs quantum wells operating in the Franz …

We measure the absorption coefficient and refractive index changes produced in
photorefractive quantum wells of GaAs by using a high-sensitivity periodically phase …

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 …

Photorefractive AlGaAs-GaAs multiple-quantum-well structures perform as ultrafast field
autocorrelators during steady-state four-wave mixing by use of femtosecond pulses. The …

Probe beam intensities more than an order of magnitude larger than pump beam intensities
do not erase photorefractive gratings during nondegenerate four-wave mixing in …

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 …

The photorefractive properties of semi-insulating AlGaAs–GaAs multiple quantum wells are
described for the transverse Franz–Keldysh geometry with the electric field in the plane of …

The temporal dynamics of photorefractive and absorptive gains during two-wave mixing in
Stark geometry photorefractive quantum wells are investigated using moving gratings to …

The photorefractive response to an applied electric field is measured in a photorefractive
quantum well, providing evidence in favor of the nonlinear transport in the device due to the …

We have observed two‐wave mixing in semi‐insulating AlGaAs/GaAs multiple quantum well
structures at wavelengths near the exciton absorption. The photorefractive index changes …