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Monolithic InP Multiwavelength Coherent Receiver Using a Chirped Arrayed Waveguide Grating
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DOI：10.1109/JLT.2010.2097240.png)
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Abstract
En 中文
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 degrees hybrids. There are no waveguide crossings, and the polarization extinction ratio is >21 dB and the hybrid phase error magnitude <1 degrees without any post-fabrication adjustments. We demonstrate 4 X 43-Gb/s reception.
Keywords:
Gratings
indium phosphide
local oscillators
optical polarization
photonic integrated circuits