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Proceedings Paper

Digital programmable acousto-optical modulator-controller
Author(s): Alexandre S. Shcherbakov; Ilya B. Pozdnov
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Paper Abstract

We present the consideration of parametrically coupled solitary waves developing via codirectional collinear acousto-optical interaction in an optically anisotropic medium under action of a pulsed incident light wave. Both the cases of a strong an weak coupling are theoretically studied and then, the analysis of weakly coupled acousto-optical states with pulsed optical pump is extended to the regime with mismatched wave numbers. Such a phase mismatch enables us to shape and investigate the coupled acousto-optical states experimentally using the pulsed incident light at relatively low power density of acoustic pulses. A new digital programmable modulator capable of controlling over the binary encoded trains of optical pulses is proposed and developed. Results of our experiments with such a device are also presented and briefly discussed.

Paper Details

Date Published: 20 October 1997
PDF: 10 pages
Proc. SPIE 3238, Current Ukrainian Research in Optics and Photonics: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing, (20 October 1997); doi: 10.1117/12.284793
Show Author Affiliations
Alexandre S. Shcherbakov, St. Petersburg State Technical Univ. (Russia)
Ilya B. Pozdnov, St. Petersburg State Technical Univ. (Russia)


Published in SPIE Proceedings Vol. 3238:
Current Ukrainian Research in Optics and Photonics: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing
Simon B. Gurevich; Roman S. Batchevsky; Leonid I. Muravsky, Editor(s)

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