Broad-band light source

Details Broad-band light source Broad-band light source

2007-02-20

2007-02-20

Hughes, Deandra M. (Department: 3663)

Optical: systems and elements

Optical amplifier

Optical fiber

C359S341420

Reexamination Certificate

active

10892227

ABSTRACT:
A broad-band light source has a reduced tendency to oscillate and has high efficiency. The broad-band light source comprises (a) an optical waveguide that comprises a optical active element to generate an ASE lightwave when a pumping lightwave is supplied, that outputs an ASE lightwave in a first wavelength band from its first end, and that outputs an ASE lightwave in a second wavelength band from its second end, (b) a pumping lightwave-supplying means for supplying a pumping lightwave to the optical active element, and (c) a lightwave-combining means that receives the ASE lightwave in the first wavelength band, that receives the ASE lightwave in the second wavelength band, that combines the received ASE lightwaves, and that outputs the resultant ASE lightwave.

REFERENCES:
patent: 4938556 (1990-07-01), Digonnet et al.
patent: RE35946 (1998-11-01), Ainslie et al.
patent: 6658189 (2003-12-01), Ajima et al.
patent: 6900885 (2005-05-01), Masuda et al.
patent: 2002/0191415 (2002-12-01), Takei et al.
patent: 2003/0035204 (2003-02-01), Ahn et al.
patent: 2005/0276564 (2005-12-01), Kakui et al.
patent: 2002-329907 (2002-11-01), None

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