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A monolithically integrated balanced mixer OEIC on InP for coherent receiver applications



IEEE Photonics Technology Letters 5 (1993), No.9, pp.1038-40
ISSN: 1041-1135
Journal Article
Fraunhofer HHI ()
indium compounds; integrated optoelectronics; optical receivers; optical waveguides; photodiodes; monolithically integrated; balanced mixer; oeic; inp; coherent receiver; 3-db coupler; twin balanced waveguide integrated photodiodes; low-noise electrical preamplifier; receiver oeic; transimpedance; 3-db bandwidth; heterodyne operation; local laser noise cancellation; 1 GHz

We report on the fabrication and characterization of a monolithically integrated balanced mixer receiver on InP consisting of a 3-dB coupler, twin balanced waveguide integrated photodiodes, and a low-noise electrical preamplifier. The receiver OEIC exhibits a transimpedance of 223 Omega and a 3-dB bandwidth of 1 GHz. Heterodyne operation and local laser noise cancellation capability of the OEIC are demonstrated.