Wavelength tunable laser

Details Wavelength tunable laser Wavelength tunable laser

2011-08-23

2011-08-23

Park, Kinam (Department: 2828)

Coherent light generators

Particular beam control device

Tuning

C372S050100, C372S050121, C372S050120, C372S099000

Reexamination Certificate

active

08005123

ABSTRACT:
A wavelength tunable laser includes a first facet including a high reflection coating film; a gain region disposed adjacent to the first facet, the gain region including two or more light emitting devices that are arranged parallel to one another; an optical wavelength multiplexer optically connected to the light emitting devices; and an optical reflector disposed adjacent to a second facet opposite the first facet, the optical reflector having a reflection spectrum with periodic reflection peaks. The optical wavelength multiplexer is disposed between the gain region and the optical reflector, and the optical reflector and the first facet including the high reflection coating film form a laser cavity.

REFERENCES:
patent: 4896325 (1990-01-01), Coldren
patent: 2004/0208428 (2004-10-01), Kikuchi et al.
patent: 2005/0135449 (2005-06-01), Sorin et al.

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