Optical semiconductor device

Coherent light generators – Particular active media – Semiconductor

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357 4, 357 16, 357 17, H01S 319

Patent

active

051366029

ABSTRACT:
An InP p-n diode having an MQW consisting of an InP barrier layer and an In.sub.1-x Ga.sub.x As well layer as an active layer. An optical modulating diode in which a composition of a value 0.44 which is smaller than the x value 0.47 at which lattices are matched is selected so as to cause compressive strain in the well layer, and an optical bistable diode in which a composition of a value 0.55 which is greater than 0.47 is selected so as to cause tensile strain in the well layer.

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Songcheol Hong et al., Effect of the Lifting of Kramer's Degeneracy on Excitonic Linewidths in Quantum Well Optical Modulators, Aug. 29, 1988, vol. 53, No. 9, pp. 731-733, New York, U.S.
D. R. P. Guy et al., Experimental Study of InGaAs-InP MQW Electroabsorption Modulators, Feb. 1989, vol.136, No. 1, pp. 46-51.
U. Koren et al., InGaAs/InP Multiple Quantum Well Waveguide Phase Modulator, Feb. 16, 1987, vol. 50, No. 7, pp. 368-370, p. 368, right column, line 7-line 26, FIG. 1, New York, U.S.
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D. A. B. Miller, Quantum Wells for Optical Information Processing, May 1987, vol. 26, No. 5, pp. 368-372, New Jersey, U.S.
M. Sugawara et al., Evaluation of Exciton Absorption Peak Broadening Factors in InGaAsP/InP, Sep. 11, 1988, pp. 309-312, Atlanta, U.S.

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