Tunable photonic microwave bandpass filter using phase modulation and a chirped fiber grating in a Sagnac loop

G. Ning; S. Aditya; P. Shum; L. H. Cheng; Y. D. Gong; Chao Lu

doi:10.1109/LPT.2005.851928

Tunable photonic microwave bandpass filter using phase modulation and a chirped fiber grating in a Sagnac loop

G. Ning, S. Aditya, P. Shum, L. H. Cheng, Y. D. Gong, Chao Lu

Research output: Journal article publication › Journal article › Academic research › peer-review

16 Citations (Scopus)

Abstract

We propose a novel all-optical microwave bandpass filter configuration, which uses phase modulation and a linearly chirped fiber grating in a Sagnac loop. The free spectral range (FSR) of the filter can be tuned continuously by tuning the grating. We also derive an expression for the filter transfer function. Calculated and measured results, which agree well, are presented to show a large notch rejection and an easily tunable FSR.

Original language	English
Pages (from-to)	1935-1937
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	17
Issue number	9
DOIs	https://doi.org/10.1109/LPT.2005.851928
Publication status	Published - 1 Sep 2005
Externally published	Yes

Keywords

Fiber Bragg grating (FBG)
Microwave photonics
Optical transversal filter

ASJC Scopus subject areas

Electrical and Electronic Engineering
Atomic and Molecular Physics, and Optics
Physics and Astronomy (miscellaneous)

More information

10.1109/LPT.2005.851928

Cite this

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abstract = "We propose a novel all-optical microwave bandpass filter configuration, which uses phase modulation and a linearly chirped fiber grating in a Sagnac loop. The free spectral range (FSR) of the filter can be tuned continuously by tuning the grating. We also derive an expression for the filter transfer function. Calculated and measured results, which agree well, are presented to show a large notch rejection and an easily tunable FSR.",

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AU - Aditya, S.

AU - Shum, P.

AU - Cheng, L. H.

AU - Gong, Y. D.

AU - Lu, Chao

PY - 2005/9/1

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AB - We propose a novel all-optical microwave bandpass filter configuration, which uses phase modulation and a linearly chirped fiber grating in a Sagnac loop. The free spectral range (FSR) of the filter can be tuned continuously by tuning the grating. We also derive an expression for the filter transfer function. Calculated and measured results, which agree well, are presented to show a large notch rejection and an easily tunable FSR.

KW - Fiber Bragg grating (FBG)

KW - Microwave photonics

KW - Optical transversal filter

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DO - 10.1109/LPT.2005.851928

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