Experimental demonstration of multigranularity switching between optical DFT-spread-OFDM and Nyquist superchannel | Zendy

Rui Ding | Zendy; Tingting Zhang | Zendy; Fan Zhang | Zendy

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Experimental demonstration of multigranularity switching between optical DFT-spread-OFDM and Nyquist superchannel

Author(s) -

Rui Ding,

Tingting Zhang,

Fan Zhang

Publication year - 2014

Publication title -

chinese optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.617

H-Index - 37

ISSN - 1671-7694

DOI - 10.3788/col201412.110604

Subject(s) - orthogonal frequency division multiplexing , nyquist–shannon sampling theorem , optics , pulse shaping , multiplexing , physics , quadrature amplitude modulation , polarization division multiplexing , electronic engineering , fourier transform , computer science , wavelength division multiplexing , telecommunications , bit error rate , engineering , channel (broadcasting) , wavelength , laser , quantum mechanics

We experimentally investigate multigranularity optical subband switching functionality between two superchannels with slight error vector magnitude penalty. One is 4×39 Gb/s polarization-division-multiplexed (PDM) quadrature phase shift keying discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-spread-OFDM) superchannel with 12.5 GHz band spacing. The other is 8×29 Gb/s PDM-16-quadrature amplitude modulation Nyquist pulse shaping superchannel with 6.25 GHz band spacing. To the best of our knowledge, this is the first time that optical switching functionality for individual band between different superchannels with multigranularity is realized.

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