Continuously tunable microwave photonic filter based on high-birefringence linearly chirped grating

J. Q. Zhou; H. Dong; S. Aditya; P. Shum; X. Li; S. Fu; M. Tang

doi:10.1117/12.803407

11 November 2008 Continuously tunable microwave photonic filter based on high-birefringence linearly chirped grating

J. Q. Zhou, H. Dong, S. Aditya, P. Shum, X. Li, S. Fu, M. Tang

Proceedings Volume 7134, Passive Components and Fiber-based Devices V; 71340Q (2008) https://doi.org/10.1117/12.803407
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

Abstract

A continuously tunable, coherence free microwave photonic filter is proposed and experimentally demonstrated. The filter is based on a high-birefringence linearly chirped fibre Bragg grating (Hi-Bi LCFBG) as the tuning component. The filter response tunability is realized through changing the differential group delay of the Hi-Bi LCFBG by applying gradient tension or adjusting the operating wavelength. Free spectral range tuning by 1.11 GHz with about 40 dB notch rejection is achieved.

Citation Download Citation

J. Q. Zhou, H. Dong, S. Aditya, P. Shum, X. Li, S. Fu, and M. Tang "Continuously tunable microwave photonic filter based on high-birefringence linearly chirped grating", Proc. SPIE 7134, Passive Components and Fiber-based Devices V, 71340Q (11 November 2008); https://doi.org/10.1117/12.803407

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