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    Journals >Chinese Optics Letters >Volume 14 >Issue 5 >Page 051403 > Article
    • Chinese Optics Letters
    • Vol. 14, Issue 5, 051403 (2016)
    Compact phase-lock loop for external cavity diode lasers
    Chunhua Wei1、2, Shuhua Yan1、2、*, Aiai Jia1、2, Yukun Luo1、2, Qingqing Hu1、2, and Zehuan Li1、2
    Author Affiliations
  • 1Department of Instrument Science and Technology, College of Mechatronic Engineering and Automation, National University of Defense Technology, Changsha 410073, China
  • 2Interdisciplinary Center for Quantum Information, National University of Defense Technology, Changsha 410073, China
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    DOI: 10.3788/COL201614.051403 Cite this Article Set citation alerts
    Chunhua Wei, Shuhua Yan, Aiai Jia, Yukun Luo, Qingqing Hu, Zehuan Li. Compact phase-lock loop for external cavity diode lasers[J]. Chinese Optics Letters, 2016, 14(5): 051403 Copy Citation Text show less
    Structure of OPLL. PFD, phase frequency detector; MCU, microcontroller unit; Fast PD, fast photodiode.
    Fig. 1. Structure of OPLL. PFD, phase frequency detector; MCU, microcontroller unit; Fast PD, fast photodiode.
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    Schematic configuration of homemade RF generator.
    Fig. 2. Schematic configuration of homemade RF generator.
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    (a) A typical spectrum of the closed-loop beat note signal (resolution bandwidth is 10 kHz). (b) Expanded view of the beat note signal (resolution bandwidth is 1 Hz)
    Fig. 3. (a) A typical spectrum of the closed-loop beat note signal (resolution bandwidth is 10 kHz). (b) Expanded view of the beat note signal (resolution bandwidth is 1 Hz)
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    (a) Phase noise spectrum of the reference signal. (b) Phase noise spectrum of the OPLL.
    Fig. 4. (a) Phase noise spectrum of the reference signal. (b) Phase noise spectrum of the OPLL.
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    Dynamic performance of the OPLL. Transition time between t1 and t2 is approximately 50 μs.
    Fig. 5. Dynamic performance of the OPLL. Transition time between t1 and t2 is approximately 50 μs.
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    Chunhua Wei, Shuhua Yan, Aiai Jia, Yukun Luo, Qingqing Hu, Zehuan Li. Compact phase-lock loop for external cavity diode lasers[J]. Chinese Optics Letters, 2016, 14(5): 051403
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    Paper Information
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