Miniature atomic clock based on external cavity diode laser

Jiqing LIAN; Duo PAN; Tian ZHAO; pengxiang HUANG; Jingbiao CHEN

doi:10.11823/j.issn.1674-5795.2025.02.02

Metrology & Measurement Technology, Volume. 45, Issue 2, 26(2025)

Miniature atomic clock based on external cavity diode laser

Jiqing LIAN^1,2,3、*, Duo PAN^2、∗, Tian ZHAO^2,4, pengxiang HUANG⁵, and Jingbiao CHEN^2,6

Author Affiliations

¹School of Mechano⁃Electronic Engineering, Xidian University, Xi'an710071, China

²State Key Laboratory of Phyotoni⁃cs and Communications, Institute of Quantum Electronics, Department of Electronics, Peking University, Beijing100871, China

³Lanzhou Institute of Physics, Lanzhou730000, China

⁴China Quantum Measurement Tek Co. Ltd., Huzhou313098，China

⁵College of Electrical & Electronic Engineering, Wenzhou University, Wenzhou325035, China

⁶Hefei National Laboratory, Heifei230088, China

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Figures & Tables(9)

Fig. 1. Miniature ECDL

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Fig. 2. Beating data of two identical miniature ECDLs

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Fig. 3. P⁃I relationship of the miniature ECDL

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Fig. 4. Schematic diagram of direct modulation bandwidth testing

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Fig. 5. Frequency response curve of the miniature ECDL

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Fig. 6. λ⁃I and f⁃I relationships of the miniature ECDL

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Fig. 7. Design of the miniature atomic clock

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Fig. 8. CPT signal of the ECDL⁃based miniature atomic clock

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Fig. 9. Frequency stability of the ECDL⁃based miniature atomic clock

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Jiqing LIAN, Duo PAN, Tian ZHAO, pengxiang HUANG, Jingbiao CHEN. Miniature atomic clock based on external cavity diode laser[J]. Metrology & Measurement Technology, 2025, 45(2): 26

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Paper Information

Category: Quantum Precision Measurement, Quantum Metrology and Quantum Sensing Technology

Received: Dec. 31, 2024

Accepted: --

Published Online: Jul. 23, 2025

The Author Email:

DOI:10.11823/j.issn.1674-5795.2025.02.02

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