Laser with distributed reflector

Details Laser with distributed reflector Laser with distributed reflector

1979-06-07

1981-08-25

Davis, James W.

Oscillators

Molecular or particle resonant type

350 9615, H01S 319

Patent

active

042862329

ABSTRACT:
The invention relates to a semiconductor laser with a distributed reflector comprising a semiconductor junction, one of whose semi-transparent mirrors is a split face of the semiconductor in which is integrated a light emitting junction with epitaxial layers. The active layer of this junction is coupled to a waveguide integrated in a dielectric medium, on one face of which is engraved a grating forming a distributed reflector playing the part of the second mirror. The reflector, when functioning according the second order of counter coupling emits a diffracted wave normal to the waveguide which can easily be coupled to an optical fiber.

REFERENCES:
patent: 3943462 (1976-03-01), Thompson
patent: 4039249 (1977-08-01), Kaminow et al.
patent: 4054363 (1977-10-01), Suematsu
patent: 4156206 (1979-05-01), Comerford et al.
Yen et al, "GaAs Distributed Bragg Reflector Lasers ", Optics Communications, vol. 17, No. 3, Jun. 1976, pp. 213-218.
L. D. Comerford et al., "Offset Laser To Groove Waveguide Coupler", IBM Technical Disclosure Bulletin, vol. 20, No. 4, Sep. 1977, pp. 1606-1608.

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