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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 1 — Jan. 13, 2014
  • pp: 136–144

All-optical OFDM demultiplexing by spectral magnification and band-pass filtering

E. Palushani, H. C. Hansen Mulvad, D. Kong, P. Guan, M. Galili, and L.K. Oxenløwe  »View Author Affiliations

Optics Express, Vol. 22, Issue 1, pp. 136-144 (2014)

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We propose a simple OFDM receiver allowing for the use of standard WDM receivers to receive spectrally advanced OFDM signals. We propose to spectrally magnify the optical-OFDM super-channels using a spectral telescope consisting of two time-lenses, which enables reduced inter-carrier-interference in subcarrier detection by simple band-pass filtering. A demonstration on an emulated 100 Gbit/s DPSK optical-OFDM channel shows improved sensitivities after 4-times spectral magnification.

© 2013 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4230) Fiber optics and optical communications : Multiplexing
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing

ToC Category:
Subsystems for Optical Networks and Datacomms

Original Manuscript: October 14, 2013
Revised Manuscript: December 6, 2013
Manuscript Accepted: December 13, 2013
Published: December 23, 2013

Virtual Issues
European Conference and Exhibition on Optical Communication (2013) Optics Express

E. Palushani, H. C. Hansen Mulvad, D. Kong, P. Guan, M. Galili, and L.K. Oxenløwe, "All-optical OFDM demultiplexing by spectral magnification and band-pass filtering," Opt. Express 22, 136-144 (2014)

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