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Optics Letters

Optics Letters

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  • Vol. 25, Iss. 2 — Jan. 15, 2000
  • pp: 85–87

Spatial-spectral holographic correlator at 1536 nm using 30-symbol quadriphase- and binary-phase-shift keyed codes

T. L. Harris, Y. Sun, W. R. Babbitt, R. L. Cone, J. A. Ritcey, and R. W. Equall  »View Author Affiliations


Optics Letters, Vol. 25, Issue 2, pp. 85-87 (2000)
http://dx.doi.org/10.1364/OL.25.000085


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Abstract

Optical 30-symbol quadriphase-shift keyed (QPSK) and binary-phase-shift keyed (BPSK) codes were processed in a spatial-spectral holographic correlator with the Er<sup>3+</sup>: Y<sub>2</sub>SiO<sub>5</sub> spectral hole-burning material operating at 1536 nm in the important 1550-nm communications band. The results demonstrate the ability of spatial-spectral holographic correlators to process QPSK codes and BPSK codes with the same apparatus. The high-fidelity correlations produced by this optical coherent transient device exhibit the low sidelobe characteristics expected for the codes used.

© 2000 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(060.5060) Fiber optics and optical communications : Phase modulation
(070.4550) Fourier optics and signal processing : Correlators
(090.7330) Holography : Volume gratings
(200.4560) Optics in computing : Optical data processing

Citation
T. L. Harris, Y. Sun, W. R. Babbitt, R. L. Cone, J. A. Ritcey, and R. W. Equall, "Spatial-spectral holographic correlator at 1536 nm using 30-symbol quadriphase- and binary-phase-shift keyed codes," Opt. Lett. 25, 85-87 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-2-85

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