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리드버그 원자 기반 전기장 측정을 위한 SAS 기반 레이저 주파수 안정화 및 Allan Deviation 분석
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- Issue Date
- 2026-06
- Citation
- 대한전자공학회 학술 대회 (하계) 2026, pp.1-2
- Publisher
- 대한전자공학회
- Language
- Korean
- Type
- Conference Paper
- Abstract
- This paper presents a laser frequency stabilization system for Rydberg–atom–based electric field sensing in the GHz–THz region. A Rubidium saturated absorption spectroscopy (SAS)–based atomic locking technique was applied to stabilize the probe laser in a multi–laser excitation system. Frequency stability was evaluated using Allan deviation and overlapping Allan variance analysis. Experimental results show that the atomic–locked laser provides improved short–term and long–term stability compared to the free–run condition, with reduced frequency drift and enhanced performance for high–sensitivity electromagnetic sensing applications.
- KSP Keywords
- Allan Deviation, Allan variance analysis, Laser frequency stabilization, Reduced frequency, Saturated absorption spectroscopy, Sensing applications, electric field sensing, enhanced performance, excitation system, frequency drift, frequency stability