Optical communications – Multiplex – Wavelength division or frequency division
Reexamination Certificate
2008-04-08
2010-10-05
Sedighian, M. R. (Department: 2613)
Optical communications
Multiplex
Wavelength division or frequency division
C398S183000
Reexamination Certificate
active
07809270
ABSTRACT:
The present invention provides a remodulating channel selector for a wavelength division multiplexed optical communication system. The remodulating selector receives a WDM input signal, selects a particular optical channel from the WDM signal and places the information from the selected signal onto a newly-generated optical output signal. The wavelength of the output optical signal can be the same as or different from one of the optical channels which comprises the WDM input signal. When used in a WDM optical communication system with remodulators at the transmission input, the remodulating selectors provide complete control over the interfaces with optical transmitters and receivers, permitting use with a broad range of optical equipment.
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Alexander Stephen B.
Chaddick Steve W.
Litz Roy C.
Smith Cecil D.
Baratta Jr. Lawrence A.
Bernard Christopher L.
Ciena Corporation
Clements Bernard PLLC
Sedighian M. R.
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