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1024 QAM, 7-core (60 Gbit/s x 7) fiber transmission over 55 km with an aggregate potential spectral efficiency of 109 bit/s/Hz
Author(s) -
Masato Yoshida,
Shohei Beppu,
Keisuke Kasai,
Toshihiko Hirooka,
Masataka Nakazawa
Publication year - 2015
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.23.020760
Subject(s) - optics , spectral efficiency , gigabit , core (optical fiber) , quadrature amplitude modulation , qam , polarization division multiplexing , transmission (telecommunications) , materials science , physics , wavelength division multiplexing , bit error rate , telecommunications , wavelength , computer science , beamforming , channel (broadcasting)
We report the first 1024 QAM polarization-multiplexed transmission at 3 Gsymbol/s over a 55 km 7-core fiber, with a total bit rate of 420 Gbit/s (60 Gbit/s x 7 cores). The potential spectral efficiency per core reached 15.6 bit/s/Hz, which corresponds to an aggregate spectral efficiency as high as 109 bit/s/Hz in a multi-core single-mode fiber.

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