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  • Received: May. 22, 2020

    Accepted: Jun. 23, 2020

    Posted: Jul. 27, 2020

    Published Online: Jul. 27, 2020

    The Author Email: Hao Tengfei (, Liu Yanzhong (, Tang Jian (, Cen Qizhuang (, Li Wei (, Zhu Ninghua (, Dai Yitang (, Capmany José (, Yao Jianping (, Li Ming (

    DOI: 10.1117/1.AP.2.4.044001

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    Tengfei Hao, Yanzhong Liu, Jian Tang, Qizhuang Cen, Wei Li, Ninghua Zhu, Yitang Dai, José Capmany, Jianping Yao, Ming Li. Recent advances in optoelectronic oscillators[J]. Advanced Photonics, 2020, 2(4): 044001

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Advanced Photonics, Vol. 2, Issue 4, 044001 (2020)

Recent advances in optoelectronic oscillators

Tengfei Hao1,2,3, Yanzhong Liu1,2,3, Jian Tang1,2,3, Qizhuang Cen4, Wei Li1,2,3, Ninghua Zhu1,2,3, Yitang Dai4, José Capmany5, Jianping Yao6, and Ming Li1,2,3,*

Author Affiliations

  • 1Chinese Academy of Sciences, Institute of Semiconductors, State Key Laboratory on Integrated Optoelectronics, Beijing, China
  • 2University of Chinese Academy of Sciences, School of Electronic, Electrical, and Communication Engineering, Beijing, China
  • 3University of Chinese Academy of Sciences, Center of Materials Science and Optoelectronics Engineering, Beijing, China
  • 4Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing, China
  • 5Universitat Politécnica de Valencia, ITEAM Research Institute, Photonics Research Labs, Valencia, Spain
  • 6University of Ottawa, Microwave Photonics Research Laboratory, Ottawa, Ontario, Canada


An optoelectronic oscillator (OEO) is a microwave photonic system that produces microwave signals with ultralow phase noise using a high-quality-factor optical energy storage element. This type of oscillator is desired in various practical applications, such as communication links, signal processing, radar, metrology, radio astronomy, and reference clock distribution. Recently, new mode control and selection methods based on Fourier domain mode-locking and parity-time symmetry have been proposed and experimentally demonstrated in OEOs, which overcomes the long-existing mode building time and mode selection problems in a traditional OEO. Due to these mode control and selection methods, continuously chirped microwave waveforms can be generated directly from the OEO cavity and single-mode operation can be achieved without the need of ultranarrowband filters, which are not possible in a traditional OEO. Integrated OEOs with a compact size and low power consumption have also been demonstrated, which are key steps toward a new generation of compact and versatile OEOs for demanding applications. We review recent progress in the field of OEOs, with particular attention to new mode control and selection methods, as well as chip-scale integration of OEOs.


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