High speed photo detector

Details High speed photo detector High speed photo detector

1988-08-08

1990-11-13

James, Andrew J.

357 22, 357 16, H01L 2714

Patent

active

049705660

ABSTRACT:
A light to electrical current conversion device, such as a photodetector, comprises an integral assembly of semiconductor material containing a relatively two dimensional electron stream; light waveguide means for receiving and propagating light energy; and the waveguide means being situated astride said relatively two dimensional electron stream for releasing electrons from portions of said semiconductor material adjacent said electron stream for travel into said electron stream. The device provides a fast response and high quantum conversion efficiency.

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patent: 4424525 (1984-01-01), Mimura
patent: 4517581 (1985-05-01), Thompson
patent: 4553155 (1985-11-01), Chen et al.
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patent: 4740823 (1988-04-01), Thompson
patent: 4747650 (1988-05-01), Sakuda
patent: 4787691 (1988-11-01), Lorenzo et al.
patent: 4814851 (1989-03-01), Abrokwah et al.
Chen et al, "Ultrahigh Speed Modulation Doped Heterostructure Field Effect Photodetectors", Applied Physics Letters, 42(12), Jun. 15, 1983, pp. 1040-1042.

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