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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 26, Iss. 16 — Aug. 15, 2001
  • pp: 1248–1250

Optical pattern recognition by use of a segmented semiconductor optical amplifier

P. Petruzzi, C. J. K. Richardson, M. Van Leeuwen, N. Moulton, P. Heim, M. Dagenais, and J. Goldhar  »View Author Affiliations


Optics Letters, Vol. 26, Issue 16, pp. 1248-1250 (2001)
http://dx.doi.org/10.1364/OL.26.001248


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Abstract

A technique for high-speed, all-optical pattern recognition based on cross correlation in a segmented semiconductor optical amplifier (SSOA) is presented. A counterpropagating pump–probe setup is used to perform cross correlation of the spatial gain–loss pattern in the SSOA with the optical data pattern (pump), and the result is read out with a counterpropagating probe. Cross correlation of 4-bit patterns at 85 Gbits/s is experimentally demonstrated. Simulations show reasonable agreement with experimental measurements and are used to address scalability to higher bit rates and longer data patterns.

© 2001 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.4550) Fourier optics and signal processing : Correlators
(190.0190) Nonlinear optics : Nonlinear optics
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW

Citation
P. Petruzzi, C. J. K. Richardson, M. Van Leeuwen, N. Moulton, P. Heim, M. Dagenais, and J. Goldhar, "Optical pattern recognition by use of a segmented semiconductor optical amplifier," Opt. Lett. 26, 1248-1250 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-16-1248

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