InP Mach-Zehnder Modulators for Advanced Modulation Formats

Nobuhiro Kikuchi,Ken Tsuzuki,Mitsuteru Ishikawa,Takako Yasui,Yasuo Shibata,Hiroshi Yasaka

InP Mach-Zehnder Modulators for Advanced Modulation Formats

2008

Nobuhiro Kikuchi
Ken Tsuzuki
Mitsuteru Ishikawa
Takako Yasui
Yasuo Shibata
Hiroshi Yasaka

We have developed InP-based Mach-Zehnder modulators suitable for advanced modulation formats using a novel waveguide structure. We confirmed 40-Gbit/s NRZ signal generation and a 220-km 10 Gbit/s optical duobinary transmission. We also demonstrated a DQPSK modulator operating at 80 Gbit/s.

Keywords:

Mach–Zehnder interferometer
Electronic engineering
Waveguide
Phase-shift keying
Telecommunications
Modulation
Materials science
Optoelectronics
optical signal to noise ratio
Gigabit
Physics

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