The use of a Nyquist filter for reducing an optical signal bandwidth in a coherent QAM optical transmission

Keisuke Kasai; Jumpei Hongo; Hiroki Goto; Masato Yoshida; Masataka Nakazawa

doi:10.1587/elex.5.6

The use of a Nyquist filter for reducing an optical signal bandwidth in a coherent QAM optical transmission

Keisuke Kasai, Jumpei Hongo, Hiroki Goto, Masato Yoshida, Masataka Nakazawa

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

By introducing a Nyquist filter, we have successfully reduced a data signal bandwidth without intersymbol interference and transmitted a polarization-multiplexed 1Gsymbol/s, 64QAM (12 Gbit/s) coherent signal over 150 km in an optical bandwidth of 1.5GHz.

Original language	English
Pages (from-to)	6-10
Number of pages	5
Journal	IEICE Electronics Express
Volume	5
Issue number	1
DOIs	https://doi.org/10.1587/elex.5.6
Publication status	Published - 2008 Jan 10

Keywords

Coherent transmission
Frequency-stabilized laser
Nyquist filter
QAM

ASJC Scopus subject areas

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

Access to Document

10.1587/elex.5.6

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AU - Nakazawa, Masataka

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