High-performance balanced dual-detector GaAs IC receiver for 565 Mbit/s optical heterodyne detection

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Abstract
A high-performance balanced dual-detector receiver which uses a low-noise GaAs IC transimpedance preamplifier has been developed for a 565 Mbit/s optical fibre DPSK heterodyne system. This receiver has achieved the highest sensitivity reported at this bit rate: −51.9 dBm.