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Photoreceivers suitable for 100 Gb/s data rates are presented, consisting either of monolithic pin-diodes with travelling-wave amplifiers followed by a copackaged DEMUX, or 90° optical hybrids integrated with balanced detectors forming coherent QPSK photoreceiver OEICs.
Photoreceivers for coherent and direct detection of 100 Gb/s data rates, consisting either of 90° optical hybrids integrated with pairs of balanced detectors forming coherent QPSK photoreceiver OEICs, or pin-diodes with travelling-wave amplifiers, are presented.
An InP-based 90° hybrid OEIC with integrated pin-photodiodes is presented. It operates unaffected in the temperature range of 15°-35° C, offering low PDL <;1 dB, and stable performance in the wavelengths of 1530 nm to 1565 nm.
The integration potential of waveguide-integrated photodiodes is demonstrated by a novel broadband self-powered photodetector with 72 GHz bandwidth, >55 dBd. dynamical range, and a packaged pin-antenna chip for sub-THz applications suitable as transmitter and receiver.
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