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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 22, Iss. 23 — Dec. 1, 1997
  • pp: 1757–1759

Optical bit-pattern recognition by use of dynamic gratings in erbium-doped fiber

Jun Shan Wey, Douglas L. Butler, Nicholas W. Rush, Geoffrey L. Burdge, and Julius Goldhar  »View Author Affiliations


Optics Letters, Vol. 22, Issue 23, pp. 1757-1759 (1997)
http://dx.doi.org/10.1364/OL.22.001757


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Abstract

We present a novel optical bit-pattern-recognition technique that uses erbium-doped fiber at room temperature. Counterpropagating beams write a patterned gain-depletion grating in pumped erbium-doped fiber. This grating, recorded in the erbium gain medium, can be used for correlation with other optical bit patterns. We have demonstrated correlation of arbitrary return-to-zero bit patterns of as many as 8 bits at 1 Gbit/s . Theory suggests that scaling to higher bit rates is feasible.

© 1997 Optical Society of America

Citation
Jun Shan Wey, Douglas L. Butler, Nicholas W. Rush, Geoffrey L. Burdge, and Julius Goldhar, "Optical bit-pattern recognition by use of dynamic gratings in erbium-doped fiber," Opt. Lett. 22, 1757-1759 (1997)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-22-23-1757

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