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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 20 — Oct. 7, 2013
  • pp: 23873–23884

All-optical hash code generation and verification for low latency communications

Yvan Paquot, Jochen Schröder, Mark D. Pelusi, and Benjamin J. Eggleton  »View Author Affiliations


Optics Express, Vol. 21, Issue 20, pp. 23873-23884 (2013)
http://dx.doi.org/10.1364/OE.21.023873


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Abstract

We introduce an all-optical, format transparent hash code generator and a hash comparator for data packets verification with low latency at high baudrate. The device is reconfigurable and able to generate hash codes based on arbitrary functions and perform the comparison directly in the optical domain. Hash codes are calculated with custom interferometric circuits implemented with a Fourier domain optical processor. A novel nonlinear scheme featuring multiple four-wave mixing processes in a single waveguide is implemented for simultaneous phase and amplitude comparison of the hash codes before and after transmission. We demonstrate the technique with single polarisation BPSK and QPSK signals up to a data rate of 80 Gb/s.

© 2013 OSA

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(060.1155) Fiber optics and optical communications : All-optical networks

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 18, 2013
Revised Manuscript: September 12, 2013
Manuscript Accepted: September 14, 2013
Published: September 30, 2013

Citation
Yvan Paquot, Jochen Schröder, Mark D. Pelusi, and Benjamin J. Eggleton, "All-optical hash code generation and verification for low latency communications," Opt. Express 21, 23873-23884 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-20-23873


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