Importance

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Abstract

An optical receiver includes a semiconductor optical amplifier configured to amplify an optical signal in which an optical signal with a first wavelength and an optical signal with a second wavelength are multiplexed. The receiver includes an optical demultiplexer configured to receive the optical signal amplified by the semiconductor optical amplifier and include a first filter configured to transmit the optical signal with the first wavelength with a transmission rate T1 and a second filter configured to transmit the optical signal with the second wavelength with a transmission rate T2. The receiver includes a first optical detector configured to receive the optical signal with the first wavelength from the optical demultiplexer. The receiver includes a second optical detector configured to receive the optical signal with the second wavelength from the optical demultiplexer. Further, the transmission rate T1 and the transmission rate T2 satisfy a relation T1>T2.

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First Claim