Optical communications – Multiplex – Wavelength division or frequency division
Reexamination Certificate
2006-04-04
2006-04-04
Sedighian, M. R. (Department: 2633)
Optical communications
Multiplex
Wavelength division or frequency division
C359S341420
Reexamination Certificate
active
07024117
ABSTRACT:
Pump energy with a wavelength which is below the wavelength of an optical signal is fed into a transmission section from a pump laser via a coupler. The received optical signal is attenuated with increasing pump power with signals having higher frequencies being more strongly damped.
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Bell Boyd & Lloyd LLC
Li Shi K.
Sedighian M. R.
Siemens Aktiengesellschaft
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