Microwave photonic filters based on optical semiconductor amplifier

Abstract

Microwave photonic filters have been characterized by low loss, light weight, broad bandwidth, good tunability, and immunity to electromagnetic interference, and these filters can overcome inherent electronic limitations. Fiber-based filters are inherently compatible with fiber-optic microwave systems and can provide connectivity with built-in signal conditioning. This review paper presents developments of microwave photonic filters based on semiconductor optical amplifier in the last few years. Challenges in system implementation for practical application are also discussed.

Keywords

microwave photonic / microwave filters / optical signal processing / semiconductor optical amplifier / cross-gain modulation

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Acknowledgements

This work was supported by the National Basic Research Program of China (No. 2006CB302805), the National Natural Science Foundation of China (Grant Nos. 60707006 and 61007064) and the Natural Science Foundation of the Jiangsu Higher Education Institutions of China (09KJB510009).

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2014 Higher Education Press and Springer-Verlag Berlin Heidelberg