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A dual-polarization coherent receiver using polymer planar lightwave circuit technology is demonstrated for the first time. It comprises optical 90 hybrids on the basis of polymer waveguides, polarization beam-splitting thin-film elements, and photodetectors made of InGaAsP/InP. The chip size fits into the existing receiver package standards. The receiver assembly shows a high polarization extinction...
We present an integrated polarization-diversity coherent-receiver module which was fabricated on a polymer planar-lightwave circuit platform. The performance of the device is tested in system experiments with 16-QAM and QPSK modulation up to 112 Gb/s.
This paper proposes a scheme to achieve high-speed all-optical non-return-to-zero to phase-shift keying (NRZ-to-PSK) conversion by using the linear filtering in the silicon ring resonators. Simulation results are provided to verify the feasibility.
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