Semiconductor laser apparatus with isolator

Details Semiconductor laser apparatus with isolator Semiconductor laser apparatus with isolator

1985-03-25

1987-08-11

Davie, James W.

Coherent light generators

Particular operating compensation means

350375, 357 74, 372 36, 372 37, 372703, H01S 300

Patent

active

046866787

ABSTRACT:
The apparatus includes a semiconductor laser diode, a mounting for the laser diode and a casing with a window through which light from the diode passes. The casing hermetically seals the diode. A magneto-optical member is provided between the end face of the laser diode and the window. The magneto-optical member has a spontaneous magnetization oriented in the direction of the light transmission and a magnetic field is applied to saturate the magneto-optical member.

REFERENCES:
patent: 3840889 (1974-10-01), O'Brien et al.
patent: 4375910 (1983-03-01), Seki
patent: 4540284 (1985-09-01), Gauert et al.
A. W. Smith et al., "Injection Laser with Polarized Output", IBM Technical Disclosure Bulletin, vol. 15, No. 4, Sep. 1972, pp. 1152-1153.
Article from Nikkei Electronics (in Japanese), Oct. 10, 1983, pp. 173-194.
Matsui et al., "Suppression of Feedback-Induced Noise in Short-Cavity V-Channeled Substrate Inner Stripe Lasers with Self-Oscillation" (8/1/83), pp. 219-221.
Seki et al., "Optical Isolators for Fiber-Optic Communications", Laser Equipment Development Division, Nippon Electric Co., Ltd., pp. 25-30.

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