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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 16, Iss. 1 — Jan. 1, 1999
  • pp: 74–82

Persistent spectral hole burning in an organic material for temporal pattern recognition

M. Tian, F. Grelet, I. Lorgeré, J.-P. Galaup, and J.-L. Le Gouët  »View Author Affiliations


JOSA B, Vol. 16, Issue 1, pp. 74-82 (1999)
http://dx.doi.org/10.1364/JOSAB.16.000074


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Abstract

A broad-bandwidth persistent spectral hole-burning organic material is used as a fast optical processor that compares an input temporal-frequency profile with a recorded reference spectral shape. This pattern-recognition procedure relies on a subpicosecond temporal cross-correlation process. The size of the phase-encoding spectral interval exceeds 1 THz. The storage material, the spectral encoder, and the interferometric detector are examined in detail for optimal pattern discrimination. Experimental temporal pattern-recognition results are reported.

© 1999 Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(070.5010) Fourier optics and signal processing : Pattern recognition
(090.0090) Holography : Holography
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(200.4740) Optics in computing : Optical processing
(320.5390) Ultrafast optics : Picosecond phenomena

Citation
M. Tian, F. Grelet, I. Lorgeré, J.-P. Galaup, and J.-L. Le Gouët, "Persistent spectral hole burning in an organic material for temporal pattern recognition," J. Opt. Soc. Am. B 16, 74-82 (1999)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-16-1-74

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