Optical frequency comb with an absolute linewidth of 0.6 Hz-1.2 Hz over an octave spectrum

被引:23
作者
Fang, Su [1 ]
Chen, Haiqin [1 ]
Wang, Tianyin [1 ]
Jiang, Yanyi [1 ]
Bi, Zhiyi [1 ]
Ma, Longsheng [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
LATTICE CLOCK; X 10(-16); STABILIZATION; GENERATION; LASERS; FIBER;
D O I
10.1063/1.4809736
中图分类号
O59 [应用物理学];
学科分类号
摘要
We demonstrate a narrow-linewidth optical frequency comb based on a femtosecond Ti:sapphire laser by precisely phase-locking it to a subhertz-linewidth Nd:YAG laser at 1064 nm. Each comb tooth inherits the phase coherence and frequency stability of the subhertz-linewidth laser. By comparing against other independent narrow-linewidth lasers, we measured the absolute linewidth of the comb teeth to be 0.6 Hz-1.2Hz over an octave spectrum. (C) 2013 AIP Publishing LLC.
引用
收藏
页数:4
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