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Published on: January 29, 2013
Silica-based PLC with heterogeneously-integrated PDs for one-chip DP-QPSK receiver
Yu Kurata1, Yusuke Nasu, Munehisa Tamura
1NTT Photonics Laboratories, NTT Corporation, 3-1, Morinosato-Wakamiya, Atsugi, Kanagawa, Japan. kurata.yu@lab.ntt.co.jp
Optics Express
|December 25, 2012
Abstract:
To realize a DP-QPSK receiver PLC, we heterogeneously integrated eight high-speed PDs on a silica-based PLC platform with a PBS, 90-degree optical hybrids and a VOA. The use of a 2.5%-Δ waveguide reduced the receiver PLC size to 11 mm x 11 mm. We successfully demonstrated 32 Gbaud DP-QPSK signal demodulation with the receiver PLC.
