60 Gbit/s, 64 QAM LD-based injection-locked coherent heterodyne transmission over 160km with a spectral efficiency of 9 bit/s/Hz

Yixin Wang; Keisuke Kasai; Masato Yoshida; Masataka Nakazawa

doi:10.1587/elex.11.20140641

60 Gbit/s, 64 QAM LD-based injection-locked coherent heterodyne transmission over 160km with a spectral efficiency of 9 bit/s/Hz

Yixin Wang, Keisuke Kasai, Masato Yoshida, Masataka Nakazawa

電気通信研究所・ブロードバンド工学研究部門

研究成果: Article › 査読

抄録

We report an injection-locked 60 Gbit/s 64 QAM coherent transmission employing a laser diode (LD) based heterodyne demodulation circuit. The LDs for the transmitter and receiver were InP-based external cavity laser diodes (ECLDs) emitting at 1538.8 nm. By using an injection locking technique with locking range of 100 MHz, we achieved low phase noise carrier synchronization between the data and the local oscillator with a phase noise of 0.3 deg. As a result, a polarization-multiplexed 64 QAM data signal was successfully transmitted over 160km with a spectral efficiency of 9 bit/s/Hz.

本文言語	English
論文番号	20140641
ジャーナル	IEICE Electronics Express
巻	11
号	18
DOI	https://doi.org/10.1587/elex.11.20140641
出版ステータス	Published - 2014 9月 5

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
凝縮系物理学
電子工学および電気工学

文献へのアクセス

10.1587/elex.11.20140641

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引用スタイル

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title = "60 Gbit/s, 64 QAM LD-based injection-locked coherent heterodyne transmission over 160km with a spectral efficiency of 9 bit/s/Hz",

abstract = "We report an injection-locked 60 Gbit/s 64 QAM coherent transmission employing a laser diode (LD) based heterodyne demodulation circuit. The LDs for the transmitter and receiver were InP-based external cavity laser diodes (ECLDs) emitting at 1538.8 nm. By using an injection locking technique with locking range of 100 MHz, we achieved low phase noise carrier synchronization between the data and the local oscillator with a phase noise of 0.3 deg. As a result, a polarization-multiplexed 64 QAM data signal was successfully transmitted over 160km with a spectral efficiency of 9 bit/s/Hz.",

keywords = "Coherent transmission, Heterodyne demodulation, Injection locking, Semiconductor laser",

author = "Yixin Wang and Keisuke Kasai and Masato Yoshida and Masataka Nakazawa",

note = "Publisher Copyright: {\textcopyright} IEICE 2014.",

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doi = "10.1587/elex.11.20140641",

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T1 - 60 Gbit/s, 64 QAM LD-based injection-locked coherent heterodyne transmission over 160km with a spectral efficiency of 9 bit/s/Hz

AU - Wang, Yixin

AU - Kasai, Keisuke

AU - Yoshida, Masato

AU - Nakazawa, Masataka

N1 - Publisher Copyright: © IEICE 2014.

PY - 2014/9/5

Y1 - 2014/9/5

N2 - We report an injection-locked 60 Gbit/s 64 QAM coherent transmission employing a laser diode (LD) based heterodyne demodulation circuit. The LDs for the transmitter and receiver were InP-based external cavity laser diodes (ECLDs) emitting at 1538.8 nm. By using an injection locking technique with locking range of 100 MHz, we achieved low phase noise carrier synchronization between the data and the local oscillator with a phase noise of 0.3 deg. As a result, a polarization-multiplexed 64 QAM data signal was successfully transmitted over 160km with a spectral efficiency of 9 bit/s/Hz.

AB - We report an injection-locked 60 Gbit/s 64 QAM coherent transmission employing a laser diode (LD) based heterodyne demodulation circuit. The LDs for the transmitter and receiver were InP-based external cavity laser diodes (ECLDs) emitting at 1538.8 nm. By using an injection locking technique with locking range of 100 MHz, we achieved low phase noise carrier synchronization between the data and the local oscillator with a phase noise of 0.3 deg. As a result, a polarization-multiplexed 64 QAM data signal was successfully transmitted over 160km with a spectral efficiency of 9 bit/s/Hz.

KW - Coherent transmission

KW - Heterodyne demodulation

KW - Injection locking

KW - Semiconductor laser

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