256 Tbit/s/ch polarization-multiplexed DQPSK transmission over 300 km using time-domain optical Fourier transformation | Zendy

Pengyu Guan | Zendy; Toshiyuki Hirano | Zendy; Koudai Harako | Zendy; Yutaro Tomiyama | Zendy; Toshihiko Hirooka | Zendy; Masataka Nakazawa | Zendy

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256 Tbit/s/ch polarization-multiplexed DQPSK transmission over 300 km using time-domain optical Fourier transformation

Author(s) -

Pengyu Guan,

Toshiyuki Hirano,

Koudai Harako,

Yutaro Tomiyama,

Toshihiko Hirooka,

Masataka Nakazawa

Publication year - 2011

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.19.00b567

Subject(s) - optics , polarization mode dispersion , ultrashort pulse , multiplexing , polarization (electrochemistry) , time domain , fourier transform , polarization division multiplexing , wavelength division multiplexing , phase shift keying , physics , dispersion (optics) , telecommunications , bit error rate , computer science , channel (broadcasting) , wavelength , laser , chemistry , quantum mechanics , computer vision

We demonstrate a 2.56 Tbit/s/ch polarization-multiplexed single-carrier transmission over 300 km using subpicosecond DQPSK signals. We adopted an ultrafast time-domain optical Fourier transformation technique to reduce waveform distortions. For such an ultrashort optical pulse, depolarization components resulting from second-order polarization-mode dispersion (PMD) become a dominant factor as regards signal distortion because of the broad signal bandwidth. The influence of inter-polarization crosstalk induced by second-order PMD, is presented in detail.

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