Long-term optical phase locking between femtosecond Ti:sapphire and Cr:forsterite lasers

被引:23
|
作者
Kobayashi, Y [1 ]
Yoshitomi, D [1 ]
Kakehata, M [1 ]
Takada, H [1 ]
Torizuka, K [1 ]
机构
[1] AIST, Tsukuba, Ibaraki 3058568, Japan
关键词
D O I
10.1364/OL.30.002496
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Long-term optical phase-coherent two-color femtosecond pulses were generated by use of passively timing-synchronized Ti:sapphire and Cr:forsterite lasers. The relative carrier-envelope phase relation was fixed by an active feedback loop. The accumulated phase noise from 10 mHz to 1 MHz of the locked beat note was 0.43 rad, showing tight phase locking. The optical frequency fluctuation between two femtosecond combs was submillihertz, with a 1 s averaged counter measurement over 3400 s, leading to a long-term femtosecond frequency-comb connection. (c) 2005 Optical Society of America.
引用
收藏
页码:2496 / 2498
页数:3
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