Distributed feedback laser with loss coupling

Details Distributed feedback laser with loss coupling Distributed feedback laser with loss coupling

1997-08-01

2000-06-06

Davie, James W.

Coherent light generators

Particular beam control device

Tuning

372 45, 372 96, 372102, H01S 3085

Patent

active

060728124

ABSTRACT:
The invention is a semiconductor laser including a grating which is formed by regions of high impurity concentration surrounded by material having a lesser impurity concentration. The use of variations in doping concentration rather than different materials to provide reflection in the grating should simplify device fabrication.

REFERENCES:
patent: 5020072 (1991-05-01), Abe et al.
patent: 5325379 (1994-06-01), Amann
patent: 5506859 (1996-04-01), Ackerman et al.
patent: 5602866 (1997-02-01), Fukunaga
patent: 5727015 (1998-03-01), Takahashi et al.
patent: 5821570 (1998-10-01), Kazmierski et al.
"Complex-Coupled Distributed Feedback Laser With Negative Differential Coupling", B. Kruschwitz and T. G. Brown, Applied Phys. Lett. 67, Jul. 24, 1995, pp. 461-463.

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