120-GB/S NRZ-DQPSK signal generation by a thin-lithium-niobate-substrate modulator

Atsushi Kanno; Takahide Sakamoto; Akito Chiba; Tetsuya Kawanishi; Kaoru Higuma; Masaaki Sudou; Junichiro Ichikawa

doi:10.1587/elex.7.817

120-GB/S NRZ-DQPSK signal generation by a thin-lithium-niobate-substrate modulator

Atsushi Kanno, Takahide Sakamoto, Akito Chiba, Tetsuya Kawanishi, Kaoru Higuma, Masaaki Sudou, Junichiro Ichikawa

Research output: Contribution to journal › Article

19 Citations (Scopus)

Abstract

A high-speed DQPSK optical modulator is fabricated with a thin lithium niobate substrate. Decrease in the propagation loss of electrodes and a low half-wave voltage, which can be realized by fabrication of a ridge-type optical waveguide structure, can help achieve 120-Gb/s (60-Gbaud) NRZ-DQPSK modulation with full electricaltime-division-multiplexing technique.

Original language	English
Pages (from-to)	817-822
Number of pages	6
Journal	IEICE Electronics Express
Volume	7
Issue number	11
DOIs	https://doi.org/10.1587/elex.7.817
Publication status	Published - 2010 Jun 10
Externally published	Yes

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Keywords

Linbo
Optical modulator
Phase-shift-keying
Quadrature-phase-shift-keying

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Cite this

Kanno, A., Sakamoto, T., Chiba, A., Kawanishi, T., Higuma, K., Sudou, M., & Ichikawa, J. (2010). 120-GB/S NRZ-DQPSK signal generation by a thin-lithium-niobate-substrate modulator. IEICE Electronics Express, 7(11), 817-822. https://doi.org/10.1587/elex.7.817

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AU - Ichikawa, Junichiro

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Access to Document

10.1587/elex.7.817