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