FUNDAMENTAL AREAS OF PHENOMENOLOGY (INCLUDING APPLICATIONS)

An Encryption-Decryption Method Using XOR Gate Based on the XPM between O-Band and C-Band Light Waves

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2009 Chinese Physical Society and IOP Publishing Ltd
, , Citation Wang Ya-Ping et al 2009 Chinese Phys. Lett. 26 074219 DOI 10.1088/0256-307X/26/7/074219

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05121783@bjtu.edu.cn

cqwu@bjtu.edu.cn

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1 Institute of Optical Information, Key Lab of Luminescence and Optical Information Technology (Ministry of education), Beijing Jiaotong University, Beijing 100044

Dates

  1. Received 16 February 2009
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0256-307X/26/7/074219

Abstract

An all-optical encryption-decryption method using an exclusive-or gate based on the cross-phase modulation between O-band and C-band light waves is proposed. The feasibility of the encryption-decryption technique is verified by handling binary signals at 2.5 Gbps, with less than 3 dB penalty of extinction ratio and 1 dB polarization dependent loss.

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