Article
Photorefractive p‐i‐n diode quantum well operating at 1.55 μm
France Telecom CNET/LAB, Technopole Anticipa, 2 Avenue Pierre Marzin, 22307 Lannion Cedex, France
Applied Physics Letters (impact factor:
3.84).
07/1996;
DOI:10.1063/1.116642
Source: IEEE Xplore
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Citations (0)
- Cited In (2)
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Article: Time-domain image processing using dynamic holography
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ABSTRACT: Coded ultrafast optical pulses can be treated as one-dimensional (1-D) images in the time domain. We have converted spare-domain images into time-domain images using diffraction from dynamic holograms inside a Fourier pulse shaper, with photorefractive quantum wells (QW's) used as the dynamic holographic medium. We present several examples, in which amplitude or phase modulation of the hologram writing beams modifies the complex spectrum of the femtosecond output, resulting in a time-domain image. Both storage and processing of time-domain images can be achieved, depending on the hologram writing geometry and power densities. Time-domain processing operations such as edge enhancement, Fourier transform, and correlation are demonstratedIEEE Journal of Selected Topics in Quantum Electronics 04/1998; · 3.78 Impact Factor -
Article: Photorefractive optics in dynamic interconnection
[show abstract] [hide abstract]
ABSTRACT: Describes various techniques to implement optical dynamic interconnections using the photorefractive effect. Two categories of optical dynamic interconnections are discussed. One is based on free-space optics and the other on guided optics. These include a real-time volume hologram, a mutually pumped phase conjugator, a spatial light modulator, a waveguide, and a spatial solitonProceedings of the IEEE 01/2000; · 6.81 Impact Factor
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Keywords
longitudinal quantum‐confined Stark geometry
output diffraction efficiency value
p‐n junction
semiconductor photorefractive p‐i‐n diode
μm