High-speed optical binary data pattern recognition for network security applications

Abstract

All-optical high-speed binary data pattern recognition is one of the key technologies in network security applications. A serial pattern recognition scheme is presented, which can detect and locate a specified random target pattern within an input data sequence at high bit-rate. The logic operation principle is presented using logic equations. The logic AND/XNOR gates and a re-circulating loop at 10.65–42.6 Gbit/s are successfully demonstrated using three semiconductor optical amplifier (SOA) based gates. The experiments have successfully demonstrated the random pattern recognition up to 256-bits at 42.6 Gbit/s.

Keywords

semiconductor optical amplifiers (SOAs) / all-optical logic / XOR gates / high-speed optical signal procession

References

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Acknowledgements

This work was supported in part by Major State Basic Research Development Program of China (Nos. 2012CB315602, 2010CB328204-5), the National Natural Science Foundation of China (Grants Nos. 61177068, 61090393, 61132004 and 60825103), the National High Technology Research and Development Program of China, and Shanghai Program 09XD1402200, Scientific Research Foundation for Returned Scholars, Ministry of Education of China. The authors appreciate the experimental facilities and fruitful discussion with Dr. R. P. Webb and Dr. R. J. Manning from Tyndall National Institute, Cork, Ireland.

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2014 Higher Education Press and Springer-Verlag Berlin Heidelberg