Electro-optical device

Details Electro-optical device Electro-optical device

1995-04-04

1996-08-27

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 8, 372 30, 372 38, 372109, H01S 319, H01S 310

Patent

active

055508561

ABSTRACT:
An electro-optical device includes a vertical cavity surface emitting laser, a heterojunction light emitting device and heterojunction phototransistor on a semiconductor substrate. Layers of the heterojunction phototransistor and the heterojunction light-emitting device are electrically and optically coupled so there is regenerative optical and electrical feedback between them. Layers of the heterojunction light-emitting devices are proton implanted to control the feedback. Plural such devices are electrically and optically coupled together to perform logic functions, such as EXCLUSIVE OR, in response to optical signals.

REFERENCES:
patent: 4943970 (1990-07-01), Bradley
patent: 4948960 (1990-08-01), Simmins et al.
patent: 4949351 (1990-08-01), Imanaka
patent: 4991179 (1991-02-01), Deppe et al.
patent: 5132982 (1992-07-01), Chan et al.
patent: 5206872 (1993-04-01), Jewell et al.
A. Sasaki et al., "High-Current IngaAsP-InP Phototransistors and Some Monolithic Optical Devices," IEEE Transactions on Electron Devices, vol. ED-29, No. 9, September 1982, pp. 1382-1388.
J. Campbell et al., "InP/InGaAs Heterojunction Phototransitors," IEEE Journal of Quantum Electronics, vol. QE-17, No. 2, February 1981, pp. 264-269.
I. Ogura et al., "Reconfigurable optical interconnection using two-dimensional vertical to surface transmission electrophotonic device array," Appl. Phys. Letter 57 (6), August 6, 1990, pp. 540-542.
C. Schaus et al., "Integrated Laser/Phototransistor Optoelectronic Switching Device by Organometallic Vapour Phase Epitaxy," Electronic Letters, 24th Apr. 1986, vol. 22 No.9, pp. 454-456.
T. Numai et al., "Surface-emitting laser operation in vertical-to -surface transmission electrophotonic devices with a vertical cavity,"0 Appl. Phys. Lett. 58(12), 25 Mar. 1991, pp. 1250-1252.
Olbright et al., "Cascadable Laser Logic Devices: Discrete Integration of Phototransistors with Surface-Emitting Laser Diodes," Electronic Letters, vol. 27, 216, Jan. 1991.
P. Zhou et al., "Low Series Resistance High-Efficiency GaAs/AlGaAs Vertical-Cavity Surface-Emitting Laser with Continously Graded Mirrors Grown by MOCVD," IEEE Photonics Technology Letters, vol. 3, No.7, July 1991, pp. 591-593.
R. P. Bryan et al., "Cascadable Surface-Emitting Lasser Logic; Demonstration of Boolean Logic," Electronics Letters, 23rd May 1991, vol. 27, No. 11, pp. 893-894.
Jack L. Jewell et al., "Vertical-Cavity Surface-Emitting Lasers: Design, Growth, Fabrication, Chracterization," IEEE Journal of Quantum Electronics, vol. 27, No. 6, June 1991, pp. 1332-1346.

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