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飞秒钛宝石光学频率梳的精密锁定
引用本文:韩海年,张炜,王鹏,李德华,魏志义,沈乃澂,聂玉昕,高玉平,张首刚,李师群.飞秒钛宝石光学频率梳的精密锁定[J].物理学报,2007,56(5):2760-2764.
作者姓名:韩海年  张炜  王鹏  李德华  魏志义  沈乃澂  聂玉昕  高玉平  张首刚  李师群
作者单位:1. 中国科学院物理研究所北京凝聚态物理国家实验室,光物理实验室,北京,100080;清华大学物理系原子分子与光物理研究所,北京,100084
2. 中国科学院物理研究所北京凝聚态物理国家实验室,光物理实验室,北京,100080
3. 国家授时中心,临潼,710600
4. 清华大学物理系原子分子与光物理研究所,北京,100084
基金项目:国家自然科学基金;中国科学院知识创新工程项目
摘    要:经相位锁定后的飞秒钛宝石光学频率梳已经广泛用于绝对光频的测量,这是光频标领域一个革命性的突破.在自建的90MHz飞秒钛宝石激光器的基础上首先采用光子晶体光纤将其光谱展宽到一个光倍频程,接着利用锁相环技术分别将重复频率和载波包络频移同时高精度地锁定到一台稳定度为6×10-14的Cs钟上,进而得到了稳定度相同的飞秒光学频率梳.

关 键 词:飞秒钛宝石振荡器  光学频率梳  锁相环
文章编号:1000-3290/2007/56(05)/2760-05
收稿时间:2006-08-17
修稿时间:08 17 2006 12:00AM

Precise control of femtosecond Ti:sapphire laser frequency comb
Han Hai-Nian,Zhang Wei,Wang Peng,Li De-Hua,Wei Zhi-Yi,Shen Nai-Chen,Nie Yu-Xin,Gao Yu-Ping,Zhang Shou-Gang,Li Shi-Qun.Precise control of femtosecond Ti:sapphire laser frequency comb[J].Acta Physica Sinica,2007,56(5):2760-2764.
Authors:Han Hai-Nian  Zhang Wei  Wang Peng  Li De-Hua  Wei Zhi-Yi  Shen Nai-Chen  Nie Yu-Xin  Gao Yu-Ping  Zhang Shou-Gang  Li Shi-Qun
Institution:1. Joint Laboratory of Advanced Technology in Measurements, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China ; 2. Atomic Molecule and Optical Physics Laboratory, Department of Physics, Tsinghua University, Belling 100084, China ; 3.(National Time Service Center, Chinese Academy of Sciences , Lintong 710600, China
Abstract:Phase controlled Femtosecond Ti:sapphire laser frequency comb have been widely used in measurement of absolute optical frequency, which is the revolutionary progress in the optical metrology. In this paper, based on the home-made 90MHz femtosecond Ti:sapphire laser, we firstly broadened the spectrum output directly from the laser to more than one octave with a piece of photonic crystal fiber,then locked precisely both the repetition rate and the carrier-envelope phase offset frequency to the same Cs clock with the stability of 6×10-14 by use of two sets of different phase-locked loops. As a result, we obtained the phase controlled Femtosecond laser frequency comb with the stability of the Cs clock.
Keywords:femtosecond Ti:sapphire laser  frequency comb  phase-locked loops
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