Realization of phase locking in good-bad-cavity active optical clock

被引：28

作者：

Shi, Tiantian ^{[1
]}

Pan, Duo ^{[1
]}

Chen, Jingbiao ^{[1
]}

机构：

[1] Peking Univ, Sch Elect Engn & Comp Sci, State Key Lab Adv Opt Commun Syst & Network, Beijing 100871, Peoples R China

来源：

OPTICS EXPRESS | 2019年 / 27卷 / 16期

基金：

中国国家自然科学基金;

关键词：

SEMICONDUCTOR-LASERS; FREQUENCY; ACCURACY; STABILITY; LINEWIDTH; SIGNAL;

D O I：

10.1364/OE.27.022040

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The residual cavity-pulling effect limits further narrowing of linewidth in dual-wavelength (DW) good-bad-cavity active optical clocks (AOCs). In this paper, we for the first time experimentally realize the cavity-length stabilization of the 1064/1470 nm DW-AOCs by utilizing the phase locking technique of two independent 1064 rim good-cavity lasers. The frequency tracking accuracy between the two main-cavities of DW-AOCs is better than 3 x 10(-16) at 1 s, and can reach 1 x 10(-17) at 1000 s. Each 1470 nm bad-cavity laser achieves a most probable linewidth of 53 Hz, which is about a quarter of that without phase locking. The influence of the asynchronous cavity-lengths variation between two DW laser systems is suppressed. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：22040 / 22052

页数：13

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