Compact 111-Gbit/s integrated RZ-DQPSK modulator using hybrid assembly technique with silica-based PLCs and LiNbO3 devices

@article{Yamada2008Compact1I,
  title={Compact 111-Gbit/s integrated RZ-DQPSK modulator using hybrid assembly technique with silica-based PLCs and LiNbO3 devices},
  author={Takashi Yamada and Yohei Sakamaki and Tomohiro Shibata and Akimasa Kaneko and Akihide Sano and Yutaka Miyamoto},
  journal={OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference},
  year={2008},
  pages={1-3}
}
We developed a compact RZ-DQPSK modulator using six arrayed optical phase modulators with an LN waveguide, two PLCs with 1×2 couplers and a U-turned waveguide. This modulator exhibited good 111-Gbit/s CSRZ-DQPSK modulation performance. 
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