1024 QAM (60 Gbit/s) single-carrier coherent optical transmission over 150 km

Yuki Koizumi; Kazushi Toyoda; Masato Yoshida; Masataka Nakazawa

doi:10.1364/OE.20.012508

1024 QAM (60 Gbit/s) single-carrier coherent optical transmission over 150 km

Yuki Koizumi, Kazushi Toyoda, Masato Yoshida, Masataka Nakazawa

Broadband Engineering Division

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

102 Citations (Scopus)

Abstract

We demonstrate a record QAM multiplicity of 1024 levels in a single-carrier coherent transmission. A frequency-domain equalization technique and a back-propagation method are adopted to compensate for distortions caused by hardware imperfections and fiber impairments, respectively. As a result, 60 Gbit/s polarization-multiplexed transmission over 150-km has been achieved at 3 Gsymbol/s within an optical bandwidth of only 4.05 GHz.

Original language	English
Pages (from-to)	12508-12514
Number of pages	7
Journal	Optics Express
Volume	20
Issue number	11
DOIs	https://doi.org/10.1364/OE.20.012508
Publication status	Published - 2012 May 21

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "We demonstrate a record QAM multiplicity of 1024 levels in a single-carrier coherent transmission. A frequency-domain equalization technique and a back-propagation method are adopted to compensate for distortions caused by hardware imperfections and fiber impairments, respectively. As a result, 60 Gbit/s polarization-multiplexed transmission over 150-km has been achieved at 3 Gsymbol/s within an optical bandwidth of only 4.05 GHz.",

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