Coherent light generators – Particular active media – Semiconductor
Patent
1993-11-04
1994-11-01
Epps, Georgia Y.
Coherent light generators
Particular active media
Semiconductor
372 96, 257 85, 257 84, 257 97, H01S 319
Patent
active
053612736
ABSTRACT:
The invention provides a semiconductor optical surface transmission device comprising a laser element and a photo-transistor element formed on a semiconductor substrate through which light transmissions are made. Each of the laser element and the photo-transistor element has top and bottom reflective mirrors, but the bottom reflective mirror of the photo-transistor element includes a phase inversion layer to form a double resonator for detecting injection lights in a wide range of those wavelength at a high efficiency of absorption of the injection lights.
REFERENCES:
patent: 4969152 (1990-11-01), Burghardt et al.
patent: 5014096 (1991-05-01), Matsuda et al.
patent: 5283447 (1994-02-01), Olbright et al.
By Y. Lee et al., "Active Optical NOR Logic Devices Using Surface-Emitting Lasers", May 1992, vol. 4, No. 5, IEEE Photonics Technology Letters, pp. 479-482.
By G. Olbright et al., "Cascadable Laser Logic Devices: Discrete Integration of Phototransistors with Surface-Emitting Laser Diodes", Jan. 1991, vol. 27, No. 3, Electronics Letters, pp. 216-217.
Epps Georgia Y.
NEC Corporation
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