Compact phase-lock loop for external cavity diode lasers

Chunhua Wei; Shuhua Yan; Aiai Jia; Yukun Luo; Qingqing Hu; Zehuan Li

doi:doi:10.3788/COL201614.051403

Chinese Optics Letters, 2016, 14 (5): 051403, Published Online: Aug. 6, 2018

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Chunhua Wei ^1,2Shuhua Yan ^1,2,*Aiai Jia ^1,2Yukun Luo ^1,2Qingqing Hu ^1,2Zehuan Li ^1,2

Author Affiliations

¹ Department of Instrument Science and Technology, College of Mechatronic Engineering and Automation, National University of Defense Technology, Changsha 410073, China

² Interdisciplinary Center for Quantum Information, National University of Defense Technology, Changsha 410073, China

Figures & Tables

Fig. 1. Structure of OPLL. PFD, phase frequency detector; MCU, microcontroller unit; Fast PD, fast photodiode.

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Fig. 2. Schematic configuration of homemade RF generator.

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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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Fig. 4. (a) Phase noise spectrum of the reference signal. (b) Phase noise spectrum of the OPLL.

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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.

Compact phase-lock loop for external cavity diode lasers Download： 1000次

Fig. 1. Structure of OPLL. PFD, phase frequency detector; MCU, microcontroller unit; Fast PD, fast photodiode.

Fig. 2. Schematic configuration of homemade RF generator.

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)

Fig. 4. (a) Phase noise spectrum of the reference signal. (b) Phase noise spectrum of the OPLL.

Fig. 5. Dynamic performance of the OPLL. Transition time between t1 and t2 is approximately 50 μs.

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Compact phase-lock loop for external cavity diode lasers Download： 1000次

Fig. 1. Structure of OPLL. PFD, phase frequency detector; MCU, microcontroller unit; Fast PD, fast photodiode.

Fig. 2. Schematic configuration of homemade RF generator.

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)

Fig. 4. (a) Phase noise spectrum of the reference signal. (b) Phase noise spectrum of the OPLL.

Fig. 5. Dynamic performance of the OPLL. Transition time between t1 and t2 is approximately 50 μs.

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