V-Groove semiconductor light emitting devices

Details V-Groove semiconductor light emitting devices V-Groove semiconductor light emitting devices

1981-03-25

1983-10-04

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

357 17, 357 55, H01S 319

Patent

active

044083319

ABSTRACT:
Semiconductor lasers and LEDs are described in which the pumping current is constrained to flow from a relatively narrow upper channel formed by a V-groove, which extends to a depth short of the active region, through a relatively wider lower channel bounded by high resistivity regions, which extend from at least that depth into or through the active region. Also described are devices in which the V-groove is refilled with semiconductor material.

REFERENCES:
patent: 3363195 (1968-01-01), Furnanage et al.
patent: 3780358 (1973-12-01), Thompson
patent: 4278949 (1981-07-01), Marschall et al.
Gosch, "Simple Technology Irons Out Kinks in Laser Diode Output", Electronics, Dec. 20, 1979, vol. 52, No. 26, pp. 59-60.
Marschall et al., "A New Type of Diffused Stripe Geometry Injection Laser", 4th ECOC, Abstract XII.6, Sep. 1978, pp. 94-97.
Casey et al., "Heterostructure Lasers", Academic Press, Inc., Part B, 1978, pp. 207-210.
Shumate et al., "GaAlAs Laser Transmitter for Lightwave Transmission Systems", BSTJ, vol. 57, No. 6, Jul.-Aug. 1978, pp. 1812-1836.

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