Monolithic all-semiconductor optically addressed spatial light m

Details Monolithic all-semiconductor optically addressed spatial light m Monolithic all-semiconductor optically addressed spatial light m

1998-07-27

2000-02-15

Sugarman, Scott J.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359248, H01L 2906, H01L 310328

Patent

active

060259507

ABSTRACT:
An optically addressed spatial light modulator (OASLM), and an optical pattern processor employing the same. An embodiment of the OASLM includes a transparent electrode; a buffer layer; a detector region; and a modulator region, wherein the detector and modulator regions are optically isolated and resist electron movement therebetween. In one embodiment, the detector region includes a photoconductive semiconductor region with a higher band gap than the modulator region and the modulator region comprises a low-photoconductive semiconductor material.

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Canoglu et al., "High Resolution SLM With Distributed Photorefractive Devices," IEEE Phot. Tech. Lett., vol. 10, No. 2, pp. 221-223, Feb. 1998.

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