256 Tbit/s/ch (640 Gbaud) polarization-multiplexed DQPSK non-coherent Nyquist pulse transmission over 525 km | Zendy

Koudai Harako | Zendy; Daiki Seya | Zendy; Daiki Suzuki | Zendy; Toshihiko Hirooka | Zendy; Masataka Nakazawa | Zendy

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256 Tbit/s/ch (640 Gbaud) polarization-multiplexed DQPSK non-coherent Nyquist pulse transmission over 525 km

Author(s) -

Koudai Harako,

Daiki Seya,

Daiki Suzuki,

Toshihiko Hirooka,

Masataka Nakazawa

Publication year - 2015

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.030801

Subject(s) - optics , polarization mode dispersion , physics , multiplexing , nyquist–shannon sampling theorem , phase shift keying , polarization (electrochemistry) , dispersion (optics) , bit error rate , channel (broadcasting) , telecommunications , electronic engineering , chemistry , computer science , engineering

We demonstrate a single-channel 2.56 Tbit/s polarization-multiplexed DQPSK transmission using 640 Gbaud non-coherent optical Nyquist pulses. By virtue of a large tolerance to polarization-mode dispersion, the detrimental depolarization-induced crosstalk was reduced by 3.8 dB compared with RZ pulses. As a result, the transmission distance was substantially extended to 525 km compared with the distance of 300 km obtained with a Gaussian pulse.

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