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Fast tunable and broadband microwave sweep-frequency source based on photonic technology

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Abstract

A high-speed broadband tunable microwave source utilizing the wavelength tunable characteristics of distributed Bragg reflector (DBR) laser is proposed and demonstrated. The wavelength tuning of the laser is achieved instantaneously by controlling the voltage of the phase section of the DBR laser. By means of optical delay self-heterodyne technology, the microwave signal with the property of frequency broadband tuning is generated. Sweep speeds of 5 and 40 μs of the sweep-frequency source prototype were achieved and the maximum tuning range was up to 38.45 GHz.

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Authors and Affiliations

  1. State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing, 100083, China

    NingHua Zhu, YuanXin Du, XuMing Wu, JianYu Zheng, Hui Wang & JianGuo Liu

Authors
  1. NingHua Zhu
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  2. YuanXin Du
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  3. XuMing Wu
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  4. JianYu Zheng
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  5. Hui Wang
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  6. JianGuo Liu
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Corresponding author

Correspondence to JianGuo Liu.

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Zhu, N., Du, Y., Wu, X. et al. Fast tunable and broadband microwave sweep-frequency source based on photonic technology. Sci. China Technol. Sci. 56, 612–616 (2013). https://doi.org/10.1007/s11431-012-5117-x

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  • DOI: https://doi.org/10.1007/s11431-012-5117-x

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