Transmitter and method for transmitting messages on an...

Details Transmitter and method for transmitting messages on an... Transmitter and method for transmitting messages on an...

2004-01-21

2010-06-15

Vanderpuye, Ken N (Department: 2613)

Optical communications

Multiplex

Wavelength division or frequency division

C398S079000, C398S091000, C398S092000, C398S093000, C398S095000, C398S140000, C398S158000, C398S159000, C398S182000, C398S192000, C398S193000, C398S194000, C398S196000, C398S197000

Reexamination Certificate

active

07738791

ABSTRACT:
For transmitting information on an optical fiber, a plurality of information carrier channels at different carrier frequencies and a plurality of filling channels are used. The filling channels are transmitted together with the information carrier channels along the fiber. The total optical power of the information carrier channels and the filling channels transmitted on the fiber is maintained constant by compensating every change of the optical power of the information carrier channels by an inverse change of the optical power of the filling channels. The change of the optical power of the filling channels is distributed to the individual filling channels such that a minimum displacement of the center of gravity of the common spectrum of information carrier channels and filling channels results.

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