Distributed-feedback semiconductor laser device

Details Distributed-feedback semiconductor laser device Distributed-feedback semiconductor laser device

1984-12-14

1987-05-12

Davie, James W.

Coherent light generators

Particular resonant cavity

Distributed feedback

372 19, 372 50, H01S 319

Patent

active

046655280

ABSTRACT:
Disclosed is a distributed feedback semiconductor laser provided with a grating which effects optical feedback by means of periodic corrugation disposed inside an optical resonator. The optical resonator has at least two regions having different bragg wavelength, and these regions are arranged longitudinally in the direction of an optical axis. The laser device can realize stable single longitudinal mode oscillation.

REFERENCES:
patent: 4096446 (1978-06-01), Hans et al.

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