Optoelectronics Letters, Volume. 10, Issue 5, 374(2014)

Instantaneous microwave frequency measurement based on hybrid microwave photonic filter

En-ming XU1,*... Qi WANG1, Fei WANG2 and Pei-li LI1 |Show fewer author(s)
Author Affiliations
  • 1School of Optoelectronic Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210046, China
  • 2School of Optoelectronic Information, Chongqing University of Technology, Chongqing 400054, China
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    A novel photonic technique for instantaneous microwave frequency measurement based on hybrid microwave photonic filter (HMPF) is proposed and experimentally demonstrated. The HMPF is composed of an all-pass filter and a band-pass filter with negative coefficients. By properly controlling the power relationship between the all-pass filter and the band-pass filter, the HMPF can realize a monotonic frequency response, and then a unique relationship between the output power and the input frequency is established. A high measurement resolution can be achieved for a given frequency range.

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    XU En-ming, WANG Qi, WANG Fei, LI Pei-li. Instantaneous microwave frequency measurement based on hybrid microwave photonic filter[J]. Optoelectronics Letters, 2014, 10(5): 374

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    Paper Information

    Received: Jun. 4, 2014

    Accepted: --

    Published Online: Oct. 12, 2017

    The Author Email: En-ming XU (enmingxu@njupt.edu.cn)

    DOI:10.1007/s11801-014-4100-0

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