112-Gb/s InP DP-QPSK modulator integrated with a silica-PLC polarization multiplexing circuit

Eiichi Yamada,S. Kanazawa,Akira Ohki,Kei Watanabe,Yusuke Nasu,Nobuhiro Kikuchi,Yasuo Shibata,Ryuzo Iga,Hiroyuki Ishii

112-Gb/s InP DP-QPSK modulator integrated with a silica-PLC polarization multiplexing circuit

2012

Eiichi Yamada
S. Kanazawa
Akira Ohki
Kei Watanabe
Yusuke Nasu
Nobuhiro Kikuchi
Yasuo Shibata
Ryuzo Iga
Hiroyuki Ishii

We fabricated an ultra-compact InP-based DP-QPSK modulator by the hybrid integration of an InP twin-IQ modulator and a PLC polarization multiplexing circuit for the first time. 112-Gb/s DP-QPSK modulation is successfully demonstrated.

Keywords:

Interferometry
Modulation
Electronic engineering
Electro-optic modulator
Indium phosphide
Polarization (waves)
Engineering
Phase-shift keying
Optics
Multiplexing
optical polarization

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