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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 2 — Jan. 16, 2012
  • pp: 896–904

Energy-efficient 0.26-Tb/s coherent-optical OFDM transmission using photonic-integrated all-optical discrete Fourier transform

I. Kang, X. Liu, S. Chandrasekhar, M. Rasras, H. Jung, M. Cappuzzo, L. T. Gomez, Y. F. Chen, L. Buhl, S. Cabot, and J. Jaques  »View Author Affiliations


Optics Express, Vol. 20, Issue 2, pp. 896-904 (2012)
http://dx.doi.org/10.1364/OE.20.000896


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Abstract

We propose a novel energy-efficient coherent-optical OFDM transmission scheme based on hybrid optical-electronic signal processing. We demonstrate transmission of a 0.26-Tb/s OFDM superchannel, consisting of 13 x 20-Gb/s polarization-multiplexed QPSK subcarrier channels, over 400-km standard single-mode fiber (SSMF) with BER less than 6.3x10−4 using all-optical Fourier transform processing and electronic 7-tap blind digital equalization per subchannel. We further explore long-haul transmission over up to 960 km SSMF and show that the electronic signal processing is capable of compensating chromatic dispersion up to 16,000 ps/nm using only 15 taps per subchannel, even in the presence of strong inter-carrier interference.

© 2012 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1660) Fiber optics and optical communications : Coherent communications
(250.3140) Optoelectronics : Integrated optoelectronic circuits

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 3, 2011
Revised Manuscript: December 3, 2011
Manuscript Accepted: December 4, 2011
Published: January 4, 2012

Citation
I. Kang, X. Liu, S. Chandrasekhar, M. Rasras, H. Jung, M. Cappuzzo, L. T. Gomez, Y. F. Chen, L. Buhl, S. Cabot, and J. Jaques, "Energy-efficient 0.26-Tb/s coherent-optical OFDM transmission using photonic-integrated all-optical discrete Fourier transform," Opt. Express 20, 896-904 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-2-896


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