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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 9 — Apr. 26, 2010
  • pp: 9324–9340

Simple all-optical FFT scheme enabling Tbit/s real-time signal processing

D. Hillerkuss, M. Winter, M. Teschke, A. Marculescu, J. Li, G. Sigurdsson, K. Worms, S. Ben Ezra, N. Narkiss, W. Freude, and J. Leuthold  »View Author Affiliations

Optics Express, Vol. 18, Issue 9, pp. 9324-9340 (2010)

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A practical scheme to perform the fast Fourier transform in the optical domain is introduced. Optical real-time FFT signal processing is performed at speeds far beyond the limits of electronic digital processing, and with negligible energy consumption. To illustrate the power of the method we demonstrate an optical 400 Gbit/s OFDM receiver. It performs an optical real-time FFT on the consolidated OFDM data stream, thereby demultiplexing the signal into lower bit rate subcarrier tributaries, which can then be processed electronically.

© 2010 OSA

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(070.2025) Fourier optics and signal processing : Discrete optical signal processing

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: February 19, 2010
Revised Manuscript: April 2, 2010
Manuscript Accepted: April 15, 2010
Published: April 20, 2010

D. Hillerkuss, M. Winter, M. Teschke, A. Marculescu, J. Li, G. Sigurdsson, K. Worms, S. Ben Ezra, N. Narkiss, W. Freude, and J. Leuthold, "Simple all-optical FFT scheme enabling Tbit/s real-time signal processing," Opt. Express 18, 9324-9340 (2010)

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