Monolithic InP Multiwavelength Coherent Receiver Using a Chirped Arrayed Waveguide Grating
- 6 December 2010
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Journal of Lightwave Technology
- Vol. 29 (4), 536-541
- https://doi.org/10.1109/jlt.2010.2097240
Abstract
We propose and demonstrate a novel four-channel monolithic polarization-diversity dual-quadrature coherent receiver with balanced detection in InP. It uses an interleave-chirped arrayed waveguide grating that acts simultaneously as a demultiplexer, four polarization splitters, and four 90° hybrids. There are no waveguide crossings, and the polarization extinction ratio is >;21 dB and the hybrid phase error magnitude is <; 1° without any post-fabrication adjustments. We demonstrate 4×43-Gb/s reception.Keywords
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