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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 16 — Aug. 15, 2012
  • pp: 3420–3422

Experimental performance of a fully tunable complex-coefficient optical FIR filter using wavelength conversion and chromatic dispersion

Salman Khaleghi, Mohammad Reza Chitgarha, Omer F. Yilmaz, Moshe Tur, Michael W. Haney, Carsten Langrock, Martin M. Fejer, and Alan E. Willner  »View Author Affiliations


Optics Letters, Vol. 37, Issue 16, pp. 3420-3422 (2012)
http://dx.doi.org/10.1364/OL.37.003420


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Abstract

We experimentally characterize the performance of a continuously tunable all-optical complex-coefficient finite-impulse-response (FIR) filter that exploits nonlinear signal processing (multiplexing and multicasting) and conversion-dispersion-based optical delays. Various length (three and four) optical FIR filters with different tap amplitudes (from 0 to 9dB), tap phases (from 0 to 2π), and tap delays (37.4ps and 25 ps) are realized, showing reconfiguration and tuning capabilities of this FIR filter. The measured frequency responses show close agreement with the theoretical filter responses.

© 2012 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 4, 2012
Revised Manuscript: June 12, 2012
Manuscript Accepted: July 2, 2012
Published: August 9, 2012

Citation
Salman Khaleghi, Mohammad Reza Chitgarha, Omer F. Yilmaz, Moshe Tur, Michael W. Haney, Carsten Langrock, Martin M. Fejer, and Alan E. Willner, "Experimental performance of a fully tunable complex-coefficient optical FIR filter using wavelength conversion and chromatic dispersion," Opt. Lett. 37, 3420-3422 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-16-3420


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