Optical communications – Transmitter – Having particular modulation
Reexamination Certificate
2008-05-06
2008-05-06
Sedighian, M. R. (Department: 2613)
Optical communications
Transmitter
Having particular modulation
C398S185000, C398S186000
Reexamination Certificate
active
10618684
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.
Bernard Christopher L.
Brown Tyler S.
Ciena Corporation
Clements Bernard Miller
Sedighian M. R.
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