40G RZ-DQPSK transmitter monolithically integrated with tunable DFB laser array and Mach-Zehnder modulators

Tohru Takiguchi,Takeshi Saito,Keisuke Matsumoto,Kazuhisa Takagi,Yoshimichi Morita,Susumu Hatakenaka,Chikara Watatani,Koichi Akiyama,Mitsunobu Gotoda,Eitaro Ishimura,Toshitaka Aoyagi,Akihiro Shima

40G RZ-DQPSK transmitter monolithically integrated with tunable DFB laser array and Mach-Zehnder modulators

2011

Tohru Takiguchi
Takeshi Saito
Keisuke Matsumoto
Kazuhisa Takagi
Yoshimichi Morita
Susumu Hatakenaka
Chikara Watatani
Koichi Akiyama
Mitsunobu Gotoda
Eitaro Ishimura
Toshitaka Aoyagi
Akihiro Shima

A 40G RZ-DQPSK transmitter monolithically integrated with a tunable DFB laser array and Mach-Zehnder modulators was developed for the first time. The optical waveform of 40Gb/s DQPSK was successfully demonstrated.

Keywords:

Mach–Zehnder interferometer
Waveguide (optics)
Optical amplifier
Optical modulator
Electro-optic modulator
Optics
Phase-shift keying
Engineering
Electronic engineering
Distributed feedback laser
Wavelength-division multiplexing
Optical communication
Waveform
Transmitter

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