Coherent light generators – Particular component circuitry – Optical pumping
Patent
1988-04-21
1990-03-20
James, Andrew J.
Coherent light generators
Particular component circuitry
Optical pumping
357 16, 357 17, 357 19, 372 8, 372 50, 350355, 330 43, H01L 29205, H01L 3106
Patent
active
049105710
ABSTRACT:
An optical semiconductor device comprises cathode and anode regions, and a gate region having a forbidden band gap narrower than those of the cathode and anode regions. The gate region is sandwiched by the cathode and anode regions. The optical semiconductor device further comprises a plurality of windows for receiving and radiating lights so that the alignment of light axes can be easily performed for a plurality of input and output lights.
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G. W. Taylor et al, "A new double heterostructure . . . epitaxy", J. Appl. Phys., 59(2), Jan. 15, 1986, pp. 596-600.
Kasahara Kenichi
Tashiro Yoshiharu
Jackson, Jr. Jerome
James Andrew J.
NEC Corporation
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