Distributed feedback laser

Details Distributed feedback laser Distributed feedback laser

2006-09-19

2006-09-19

Harvey, Minsun O. (Department: 2828)

Coherent light generators

Particular resonant cavity

Distributed feedback

C385S045000

Reexamination Certificate

active

07110429

ABSTRACT:
A distributed feedback laser comprising a guide layer is disclosed and includes a plurality of waveguides connected in a stepped multi-branch structure, the guide layer serving as a transmission medium for light having a predetermined wavelength, and an active layer, formed on the guide layer, for oscillating light, wherein light is branched according to a predetermined ratio while proceeding from a higher waveguide to a lower waveguide within the guide layer.

REFERENCES:
patent: 4515428 (1985-05-01), Findakly
patent: 5642371 (1997-06-01), Tohyama et al.
patent: 5787105 (1998-07-01), Okamoto et al.
patent: 2002/0037024 (2002-03-01), Huang
patent: 55-032036 (1980-03-01), None
patent: 09-148548 (1997-06-01), None

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