Coherence transfer from 1064 nm to 578 nm using an optically referenced frequency comb

被引:7
作者
Fang Su [1 ]
Jiang Yan-Yi [1 ]
Chen Hai-Qin [1 ]
Yao Yuan [1 ]
Bi Zhi-Yi [1 ]
Ma Long-Sheng [1 ]
机构
[1] E China Normal Univ, State Key Lab Precis Spect, Shanghai 200062, Peoples R China
基金
中国国家自然科学基金;
关键词
coherence transfer; optical frequency comb; narrow linewidth laser; LATTICE CLOCK; X 10(-16); STABILIZATION; LINEWIDTH; STABILITY; LASERS;
D O I
10.1088/1674-1056/24/7/074202
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A laser at 578 nm is phase-locked to an optical frequency comb (OFC) which is optically referenced to a subhertz-linewidth laser at 1064 nm. Coherence is transferred from 1064 nm to 578 nm via the OFC. By comparing with a cavity-stabilized laser at 578 nm, the absolute linewidth of 1.1 Hz and the fractional frequency instability of 1.3 x 10(-15) at an averaging time of 1 s for each laser at 578 nm have been determined, which is limited by the performance of the reference laser for the OFC.
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页数:4
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