Novel photonic broadband microwave frequency measurement based on intensity-modulated link with output microwave interference detection

Gu, Yiying; Hu, Jingjing; Li, Shanfeng; Han, Xiuyou; Wang, Meng; Wu, Pengsheng; Zhao, Mingshan

doi:doi:10.1117/1.OE.51.1.019001

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Optical Engineering / Volume 51 / Issue 1 / Other Topics in Optical Engineering

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Novel photonic broadband microwave frequency measurement based on intensity-modulated link with output microwave interference detection

Opt. Eng. 51, 019001 (Feb 08, 2012); http://dx.doi.org/10.1117/1.OE.51.1.019001

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Abstract

References (16)

Yiying Gu, Jingjing Hu, Shanfeng Li, Xiuyou Han, Meng Wang, Pengsheng Wu, and Mingshan Zhao

Dalian University of Technology, Photonics Research Center, Dalian, 116024, China

University of Kent, Broadband and Wireless Communications Group, Canterbury, United Kingdom

A novel photonic approach for measuring microwave frequency over a wide bandwidth, based on intensity-modulated link with output microwave interference detection, is proposed. In this simple measurement system, a tunable laser and a fixed-wavelength laser are used with a single-mode fiber as the dispersive medium. By scanning the wavelength of a tunable laser, the frequency of the modulated microwave signal can be obtained directly through analyzing the interference intensity of the microwave signal at the output of the photodetector. The proposed approach is demonstrated experimentally by obtaining the unknown microwave frequency in the range of 1 to 20 GHz with a measurement accuracy of several tens of MHz.

History

Received Sep 21, 2011
Accepted Nov 07, 2011
Revised Nov 02, 2011
Published online Feb 08, 2012

Digital Object Identifier

http://dx.doi.org/10.1117/1.OE.51.1.019001

Citation

Yiying Gu, Jingjing Hu, Shanfeng Li, Xiuyou Han, Meng Wang, Pengsheng Wu and Mingshan Zhao, "Novel photonic broadband microwave frequency measurement based on intensity-modulated link with output microwave interference detection", Opt. Eng. 51, 019001 (Feb 08, 2012); http://dx.doi.org/10.1117/1.OE.51.1.019001