Optical communications – Multiplex – Wavelength division or frequency division
Reexamination Certificate
2011-04-26
2011-04-26
Sedighian, M. R. (Department: 2613)
Optical communications
Multiplex
Wavelength division or frequency division
C398S045000, C398S093000, C398S195000, C398S196000
Reexamination Certificate
active
07933520
ABSTRACT:
A high-speed wavelength selectable optical source and a method thereof are disclosed. The wavelength selectable optical source includes at least one optical source having a multimode oscillation spectrum, a demultiplexer and an optical switch for extracting light having a certain selected wavelength. A certain wavelength can be selected among the multimode wavelengths using the demultiplexer and the optical switch, and thus the wavelength can discontinuously be tuned at high speed. Also, by making the light having the selected wavelength incident to the multimode optical source, the power of the output light can uniformly be maintained and maximized through injection locking.
REFERENCES:
patent: 6331907 (2001-12-01), Miyazaki et al.
patent: 2001/0004290 (2001-06-01), Lee et al.
patent: 10-0399049 (2003-09-01), None
patent: 10-0532309 (2005-11-01), None
patent: 10-0548926 (2006-02-01), None
Notice of Preliminary Rejection dated Jun. 21, 2010, issued by Korean Patent Office in a counterpart Korean Application No. 10-2004-0115268.
Kim Hyun-chin
Park Keun-joo
Seo Young-kwang
Yeo Yeong-bae
Youn Chun-ju
Samsung Electronics Co,. Ltd.
Sedighian M. R.
Sughrue & Mion, PLLC
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