80 Gbit/s, 256 QAM coherent transmission over 150 km with an injection-locked homodyne receiver

Keisuke Kasai; Yixin Wang; Shohei Beppu; Masato Yoshida; Masataka Nakazawa

doi:10.1364/OE.23.029174

80 Gbit/s, 256 QAM coherent transmission over 150 km with an injection-locked homodyne receiver

Keisuke Kasai, Yixin Wang, Shohei Beppu, Masato Yoshida, Masataka Nakazawa

Broadband Engineering Division

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

22 Citations (Scopus)

Abstract

We demonstrate an 80 Gbit/s, 5 Gsymbol/s 256 QAM coherent optical transmission by employing an injection-locked homodyne detection circuit based on both fiber lasers and LDs. With either circuit, low phase noise carrier-phase synchronization between the transmitted data signal and an LO were achieved with a phase noise variance of only 0.2 degrees. As a result, we have successfully transmitted an 80 Gbit/s data signal over 150 km with a simple receiver configuration. This is the highest QAM multiplicity yet realized with injection-locked homodyne detection.

Original language	English
Pages (from-to)	29174-29183
Number of pages	10
Journal	Optics Express
Volume	23
Issue number	22
DOIs	https://doi.org/10.1364/OE.23.029174
Publication status	Published - 2015 Nov 2

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "We demonstrate an 80 Gbit/s, 5 Gsymbol/s 256 QAM coherent optical transmission by employing an injection-locked homodyne detection circuit based on both fiber lasers and LDs. With either circuit, low phase noise carrier-phase synchronization between the transmitted data signal and an LO were achieved with a phase noise variance of only 0.2 degrees. As a result, we have successfully transmitted an 80 Gbit/s data signal over 150 km with a simple receiver configuration. This is the highest QAM multiplicity yet realized with injection-locked homodyne detection.",

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AU - Kasai, Keisuke

AU - Wang, Yixin

AU - Beppu, Shohei

AU - Yoshida, Masato

AU - Nakazawa, Masataka

PY - 2015/11/2

Y1 - 2015/11/2

N2 - We demonstrate an 80 Gbit/s, 5 Gsymbol/s 256 QAM coherent optical transmission by employing an injection-locked homodyne detection circuit based on both fiber lasers and LDs. With either circuit, low phase noise carrier-phase synchronization between the transmitted data signal and an LO were achieved with a phase noise variance of only 0.2 degrees. As a result, we have successfully transmitted an 80 Gbit/s data signal over 150 km with a simple receiver configuration. This is the highest QAM multiplicity yet realized with injection-locked homodyne detection.

AB - We demonstrate an 80 Gbit/s, 5 Gsymbol/s 256 QAM coherent optical transmission by employing an injection-locked homodyne detection circuit based on both fiber lasers and LDs. With either circuit, low phase noise carrier-phase synchronization between the transmitted data signal and an LO were achieved with a phase noise variance of only 0.2 degrees. As a result, we have successfully transmitted an 80 Gbit/s data signal over 150 km with a simple receiver configuration. This is the highest QAM multiplicity yet realized with injection-locked homodyne detection.

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80 Gbit/s, 256 QAM coherent transmission over 150 km with an injection-locked homodyne receiver

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