A single-channel 1.92 Tbit/s, 64 QAM coherent optical pulse transmission over 150 km using frequency-domain equalization

David Odeke Otuya; Keisuke Kasai; Masato Yoshida; Toshihiko Hirooka; Masataka Nakazawa

doi:10.1364/OE.21.022808

A single-channel 1.92 Tbit/s, 64 QAM coherent optical pulse transmission over 150 km using frequency-domain equalization

David Odeke Otuya, Keisuke Kasai, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa

Broadband Engineering Division

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

18 Citations (Scopus)

Abstract

We demonstrate a single-channel 1.92 Tbit/s, 64 QAM coherent optical pulse optical time-division multiplexing (OTDM) transmission by utilizing frequency-domain equalization (FDE). FDE makes it possible to compensate precisely for the waveform distortions caused by hardware imperfections thus greatly improving the error vector magnitude (EVM) of the demodulated 64 QAM signal compared with that obtained with a conventional FIR filter. As a result, a coherent 64 QAM OTDM transmission over 150 km with a bit error rate of below the forward error correction limit of 2×10^-3 (requiring 7% overhead) was achieved for the first time.

Original language	English
Pages (from-to)	22808-22816
Number of pages	9
Journal	Optics Express
Volume	21
Issue number	19
DOIs	https://doi.org/10.1364/OE.21.022808
Publication status	Published - 2013 Sept 23

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "We demonstrate a single-channel 1.92 Tbit/s, 64 QAM coherent optical pulse optical time-division multiplexing (OTDM) transmission by utilizing frequency-domain equalization (FDE). FDE makes it possible to compensate precisely for the waveform distortions caused by hardware imperfections thus greatly improving the error vector magnitude (EVM) of the demodulated 64 QAM signal compared with that obtained with a conventional FIR filter. As a result, a coherent 64 QAM OTDM transmission over 150 km with a bit error rate of below the forward error correction limit of 2×10-3 (requiring 7% overhead) was achieved for the first time.",

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AU - Otuya, David Odeke

AU - Kasai, Keisuke

AU - Yoshida, Masato

AU - Hirooka, Toshihiko

AU - Nakazawa, Masataka

PY - 2013/9/23

Y1 - 2013/9/23

N2 - We demonstrate a single-channel 1.92 Tbit/s, 64 QAM coherent optical pulse optical time-division multiplexing (OTDM) transmission by utilizing frequency-domain equalization (FDE). FDE makes it possible to compensate precisely for the waveform distortions caused by hardware imperfections thus greatly improving the error vector magnitude (EVM) of the demodulated 64 QAM signal compared with that obtained with a conventional FIR filter. As a result, a coherent 64 QAM OTDM transmission over 150 km with a bit error rate of below the forward error correction limit of 2×10-3 (requiring 7% overhead) was achieved for the first time.

AB - We demonstrate a single-channel 1.92 Tbit/s, 64 QAM coherent optical pulse optical time-division multiplexing (OTDM) transmission by utilizing frequency-domain equalization (FDE). FDE makes it possible to compensate precisely for the waveform distortions caused by hardware imperfections thus greatly improving the error vector magnitude (EVM) of the demodulated 64 QAM signal compared with that obtained with a conventional FIR filter. As a result, a coherent 64 QAM OTDM transmission over 150 km with a bit error rate of below the forward error correction limit of 2×10-3 (requiring 7% overhead) was achieved for the first time.

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A single-channel 1.92 Tbit/s, 64 QAM coherent optical pulse transmission over 150 km using frequency-domain equalization

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