Single MZI-based 1x4 DQPSK demodulator

Conference: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication
09/16/2007 - 09/20/2007 at Berlin, Germany

Proceedings: ECOC 2007

Pages: 2Language: englishTyp: PDF

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Oguma, M.; Nasu, Y.; Takahashi, H. (NTT Photonics laboratories, NTT Corporation, 3-1 Morinosato, Wakamiya, Atsugi City, Kanagawa, Japan,)
Kawakami, H.; Yoshida, E. (NTT Network Innovation Laboratories, NTT Corporation)

We present a newly developed planar lightwave circuit (PLC) type 1x4 DQPSK demodulator, which has simply designed 90deg-hybrid. We also demonstrate a low insertion loss and excellent 43 Gbps demodulation characteristics.