Optical amplifier and method thereof

Details Optical amplifier and method thereof Optical amplifier and method thereof

2005-12-27

2005-12-27

Keith, Jack (Department: 3663)

Optical: systems and elements

Optical amplifier

Optical fiber

C359S349000

Reexamination Certificate

active

06980356

ABSTRACT:
In an optical amplifier and a method thereof, and in particular to a wavelength division multiplexing system using a C-band optical signal and a L-band optical signal, by using a portion of a C-band optical signal filtered out during gain flattening as a pump optical signal for amplification of an L-band optical signal, optical components required by prior systems for providing a pump optical signal to an L-band optical signal amplifier are not required. Accordingly, the present invention reduces the number of required optical components. In addition, by using the portion of the C-band optical signal filtered out during gain flattening, energy usage efficiency is improved.

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