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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 9 — Apr. 25, 2011
  • pp: 8187–8199

Cryptographic scheme using genetic algorithm and optical responses of periodic structures

Jia-Shiang Chen, Yu-Bin Chen, Pei-feng Hsu, Nghia Nguyen-Huu, and Yu-Lung Lo  »View Author Affiliations

Optics Express, Vol. 19, Issue 9, pp. 8187-8199 (2011)

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This study employed the optical responses of periodic structures, multiple-variable functions with sufficient complexity, to develop a cryptographic scheme. The characteristics of structures could be delivered easily with the ciphertext, a series of numbers containing plaintext messages. Two optimization methods utilizing a genetic algorithm were adopted to generate the periodic structure profile as a critical encryption/decryption key. The robustness of methods was further confirmed under various limits. The ciphertext could only be decrypted by referring to the codebook after acquiring the pre-determined optical response. The confidentiality and large capacity of the scheme revealed the enhanced coding strategies here while the success of the scheme was demonstrated with the delivery of an example message.

© 2011 OSA

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(160.4760) Materials : Optical properties
(060.4785) Fiber optics and optical communications : Optical security and encryption

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 13, 2011
Revised Manuscript: April 7, 2011
Manuscript Accepted: April 8, 2011
Published: April 14, 2011

Jia-Shiang Chen, Yu-Bin Chen, Pei-feng Hsu, Nghia Nguyen-Huu, and Yu-Lung Lo, "Cryptographic scheme using genetic algorithm and optical responses of periodic structures," Opt. Express 19, 8187-8199 (2011)

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