Gain-coupled distributed-feedback semiconductor laser

Details Gain-coupled distributed-feedback semiconductor laser Gain-coupled distributed-feedback semiconductor laser

1992-05-13

1994-01-04

Epps, Georgia Y.

Coherent light generators

Particular resonant cavity

Distributed feedback

372 46, 372 45, H01S 308

Patent

active

052767027

ABSTRACT:
In a distributed feedback semiconductor laser, the active medium has a periodic thickness variation in the light propagation direction so as to generate a periodic gain variation, while maintaining the effective refractive index constant, and has a discrete multi-quantum wire structure.

REFERENCES:
patent: 4633476 (1986-12-01), Seifres et al.
H. Kolgenick, C. V. Shank "Coupled Wave Theory of Distributed Feedback Lasers", Journal of Applied Physics, vol. 43, No. 5, May 1972.
Y. Luo et al. "Gain Coupled DFB Semiconductor Laser Having Corrugated Active Layer" presented at International Conference on Solid State Devices . . . , Tokyo, Aug. 1988, paper 20DPB-2.
Purely Gain-Coupled Distributed Feedback Semiconductor Lasers 320 Applied Physics Letter-vol. 56, No. 17 Apr. 23, 1990, NY Y. Luo et al.
Electronics Letter, vol. 24, No. 16, Aug. 1988, Stevenage, Herts pp. 985-986.
Patent Abstracts of Japan JP-A-10 21 986.
Patent Abstracts of Japan--JP A-21 63 928.
Patent Abstracts of Japan--JP A-21 43 580.
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JP Abstracts 1 106489 (A).

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