Optically amplified receiver

H - Electricity – 04 – B

Patent

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Details

H04B 10/158 (2006.01) H04B 10/16 (2006.01)

Patent

CA 2432446

An integrated, optically amplified receiver includes an optically pumped optical preamplifier for receiving, generally, wavelength division multiplexed optical communication signal over an optical communications line. A PIN photdetector receives the optical communication signal as a filtered demultiplexed signal from the optical preamplifier and converts the optical communication signal into an electrical communication signal. An amplifier circuit amplifies the electrical communication signal for digital retiming or demodulation.

La présente invention concerne un récepteur à amplification optique intégrée pourvu d'un préamplificateur optique à pompage optique. Il est destiné à la réception, via une ligne de communication optique, d'un signal de communication optique généralement multiplexé par répartition des longueurs d'ondes. Un photodétecteur de type PIN reçoit sous forme d'un signal démultiplexé filtré le signal de communication optique venant du préamplificateur optique et le convertit en signal de communication électrique. Un circuit amplificateur amplifie le signal de communication électrique en vue d'une resynchronisation ou d'une démodulation numérique.

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