Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate
2007-12-18
2007-12-18
Leung, Quyen P (Department: 2874)
Optical waveguides
With optical coupler
Input/output coupler
Reexamination Certificate
active
11157504
ABSTRACT:
A multi-wavelength optical source includes a broadband optical source providing a broadband optical signal, and a modification module optically coupled to the broadband optical source. The modification module splits the broadband optical signal into a first output signal and a second output signal. The first output signal and second output signal each comprise a plurality of frequency separated frequency slices of the broadband optical signal. Also, a method of providing a pair of related multi-wavelength signals using one or more broadband sources includes: (a) routing a broadband signal into a plurality of Bragg gratings in a manner that causes the Bragg gratings to reflect portions of the broadband signal and to transmit portions of the broadband signal; (b) routing the reflected portions to a first output as a first output signal; and (c) routing the non-reflected portions to a second output as a second output signal.
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English-language translation of JP 2000019335 A, printed Mar. 6, 2007.
Leung Quyen P
Litton Systems Inc.
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