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Optics Letters

Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 9 — May. 1, 2009
  • pp: 1315–1317

All-optical encryption based on interleaved waveband switching modulation for optical network security

Mable P. Fok and Paul R. Prucnal  »View Author Affiliations


Optics Letters, Vol. 34, Issue 9, pp. 1315-1317 (2009)
http://dx.doi.org/10.1364/OL.34.001315


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Abstract

All-optical encryption for optical code-division multiple-access systems with interleaved waveband-switching modulation is experimentally demonstrated. The scheme explores dual-pump four-wave mixing in a 35 cm highly nonlinear bismuth oxide fiber to achieve XOR operation of the plaintext and the encryption key. Bit 0 and bit 1 of the encrypted data are represented by two different wavebands. Unlike on–off keying encryption methods, the encrypted data in this approach has the same intensity for both bit 0 and bit 1. Thus no plaintext or ciphertext signatures are observed.

© 2009 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4510) Fiber optics and optical communications : Optical communications
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(060.4785) Fiber optics and optical communications : Optical security and encryption

ToC Category:
Nonlinear Optics

History
Original Manuscript: October 29, 2008
Revised Manuscript: February 13, 2009
Manuscript Accepted: March 5, 2009
Published: April 20, 2009

Citation
Mable P. Fok and Paul R. Prucnal, "All-optical encryption based on interleaved waveband switching modulation for optical network security," Opt. Lett. 34, 1315-1317 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-9-1315

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