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Optical Engineering

Microwave photonic notch filter with an electro-absorption modulator in a Sagnac fiber loop
Author(s): GuoXiang Ning; Ping Shum; Junqiang Zhou; Y. D. Gong
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Paper Abstract

Coherence-free microwave photonic filter configurations are presented. The configurations are based on a Sagnac loop interferometer containing an electro-absorption modulator (EAM) without a nonreciprocal bias unit. Notch responses are obtained by modulating the clockwise and counterclockwise propagating waves inside the Sagnac loop at different times. Measured results verify the theoretical expressions and demonstrate a robust notch filter response extending to high frequency without reducing notch depth.

Paper Details

Date Published: 1 January 2008
PDF: 4 pages
Opt. Eng. 47(1) 018201 doi: 10.1117/1.2835460
Published in: Optical Engineering Volume 47, Issue 1
Show Author Affiliations
GuoXiang Ning, Nanyang Technological Univ. (Singapore)
Ping Shum, Nanyang Technological Univ. (Singapore)
Junqiang Zhou, Nanyang Technological Univ. (Singapore)
Y. D. Gong, Nanyang Technological Univ. (Singapore)


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