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A new optical orthogonal code label and all-optical recognition technology for optical packet switching

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5 Author(s)
Leyang Wang ; Key Lab. of Broadband Opt. Fiber Transm. & Commun. Networks, Univ. of Electron. Sci. & Technol. of China, Chengdu, China ; Kun Qiu ; Chongfu Zhang ; Heng Zhou
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An all-optical label recognition method is proposed, which is based on the fiber Bragg grating encoder/decoder and a semiconductor optical amplifier, employing multiple two-dimensional optical orthogonal codes for optical label in optical packet switching system. The program effectively reduces the code autocorrelation/cross-correlation requirements of label identification and removes the cross-correlation pulses after decoding, greatly increases the coding capacity and number of available labels, and improves the reliability of label identification, using the fiber Bragg grating as a decoder and four-wave mixing in the semiconductor optical amplifier. The feasibility of the method is validated by the simulation of OptiSystem software. The simulation also shows that the label has a relatively high extinction ratio and can be operated easily.

Published in:

Broadband Network and Multimedia Technology (IC-BNMT), 2010 3rd IEEE International Conference on

Date of Conference:

26-28 Oct. 2010

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