Coherence-free microwave photonic notch filter with a single driver intensity modulator in a Sagnac fiber loop
Applied Optics, Vol. 46, Issue 29, pp. 7179-7183 (2007)
http://dx.doi.org/10.1364/AO.46.007179
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Abstract
A coherence-free microwave photonic filter configuration is presented. The configuration is based on a Sagnac loop interferometer containing a single-drive intensity modulator without a nonreciprocal bias unit. A notch response is obtained by modulating the clockwise and counterclockwise propagating waves inside the Sagnac loop at different times. A general theoretical analysis for both the reflected signal and the transmitted signal is obtained. Measured results verify the theoretical expressions and demonstrate a robust notch filter response.
© 2007 Optical Society of America
OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: February 16, 2007
Revised Manuscript: August 1, 2007
Manuscript Accepted: August 31, 2007
Published: October 4, 2007
Citation
Guoxiang Ning and Ping Shum, "Coherence-free microwave photonic notch filter with a single driver intensity modulator in a Sagnac fiber loop," Appl. Opt. 46, 7179-7183 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-29-7179
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