Document Detail


An all-optical locking of a semiconductor laser to the atomic resonance line with 1 MHz accuracy.
MedLine Citation:
PMID:  24514314     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
An all-optical locking technique without extra electrical feedback control system for a semiconductor laser has been used in stabilizing the laser frequency to a hyperfine crossover transition of <sup>87</sup>Rb 5<sup>2</sup>S<sub>1/2</sub>, F = 2 → 5<sup>2</sup>P<sub>3/2</sub>, F' = 2, 3 with 1 MHz level accuracy. The optical feedback signal is generated from the narrow-band Faraday anomalous dispersion optical filter (FADOF) with nonlinear saturation effect. The peak transmission of the narrow-band FADOF corresponding to 5<sup>2</sup>S<sub>1/2</sub>, F = 2 → 5<sup>2</sup>P<sub>3/2</sub>, F' = 2, 3 crossover transition is 18.6 %. The bandwidth is as wide as 38.9 MHz as the laser frequency changes. After locking, the laser frequency fluctuation is reduced to 1.7 MHz. The all-optical laser locking technique can be improved to much higher accuracy with increased external cavity length. The laser we have realized can provide light exactly resonant with atomic transitions used for other atom-light interaction experiments.
Authors:
Xiaogang Zhang; Zhiming Tao; Chuanwen Zhu; Yelong Hong; Wei Zhuang; Jingbiao Chen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics express     Volume:  21     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2013 Nov 
Date Detail:
Created Date:  2014-02-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  28010-8     Citation Subset:  IM    
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