Chinese Optics Letters, 2011, 9 (8): 081301, Published Online: Jun. 20, 2011
Novel photonic approach to microwave frequency measurement using tunable group delay line 
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微波频率测量 光子学 延迟线 可调色散模块 130.0250 Optoelectronics 350.4010 Microwaves 060.5625 Radio frequency photonics
Abstract
A photonic approach for measuring microwave frequency over a wide bandwidth is proposed. An optic group delay line composed of several magneto-optical switches and a 1.6-km single-mode fiber is used as a tunable dispersive medium in the measurement setup. A minimum frequency accuracy of 80 MHz in the range of 1–20 GHz is achieved experimentally.
Pengsheng Wu, Xiuyou Han, Yiying Gu, Shanfeng Li, Shu Hu, Mingshan Zhao. Novel photonic approach to microwave frequency measurement using tunable group delay line[J]. Chinese Optics Letters, 2011, 9(8): 081301.
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