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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 21 — Nov. 1, 2009
  • pp: 3385–3387

All-fiber joint-transform correlator for time-multiplexed signals

Víctor Torres-Company and Lawrence R. Chen  »View Author Affiliations


Optics Letters, Vol. 34, Issue 21, pp. 3385-3387 (2009)
http://dx.doi.org/10.1364/OL.34.003385


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Abstract

We present the temporal counterpart of a spatial joint-transform correlator. This system optically measures the rf spectrum of a real-time spectral interferogram achieved by stretching a sequence of two time-multiplexed pulses. The optical rf analyzer makes use of the cross-phase modulation on a cw probe in a highly nonlinear fiber. We show that the optical spectrum appearing on the cw signal contains the information of the electric-field cross correlation of the signals under test. This device offers potential applications for all-optical pattern recognition of ultrashort pulses.

© 2009 Optical Society of America

OCIS Codes
(070.4550) Fourier optics and signal processing : Correlators
(070.5010) Fourier optics and signal processing : Pattern recognition
(200.4740) Optics in computing : Optical processing
(320.7085) Ultrafast optics : Ultrafast information processing

ToC Category:
Fourier Optics and Signal Processing

History
Original Manuscript: June 10, 2009
Revised Manuscript: August 4, 2009
Manuscript Accepted: September 18, 2009
Published: October 29, 2009

Citation
Víctor Torres-Company and Lawrence R. Chen, "All-fiber joint-transform correlator for time-multiplexed signals," Opt. Lett. 34, 3385-3387 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-21-3385


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