Recovery of an Ultra-narrow Linewidth Laser over 100 km Fiber Link

被引:1
|
作者
Ma Chao-qun [1 ,2 ]
Chen Guo-qing [1 ,2 ]
Li Lei [1 ,2 ]
Gu Jiao [1 ,2 ]
Zhu Chun [1 ,2 ]
Zhu Zhuo-wei [1 ,2 ]
机构
[1] Jiangnan Univ, Sch Sci, Inst Optoelect Informat Sci & Engn, Wuxi 214122, Jiangsu, Peoples R China
[2] Jiangnan Univ, Jiangsu Prov Res Ctr Light Ind Optoelect Engn & T, Wuxi 214122, Jiangsu, Peoples R China
基金
国家自然科学基金国际合作与交流项目; 中国国家自然科学基金;
关键词
Optical frequency; Ultranarrow linewidth laser; Precision transfer; Fiber phase noise; Repeater station;
D O I
10.3788/gzxb20184712.1214001
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
It is demonstrated that an ultranarrow linewidth laser is recovered after transfer through a 100 km fiber link. The fiber link consists of two 50 km spolled fibers cascaded by a repeater station where a transceiver laser is phase-locked to the transferred light of the 50 km fiber with tracking precision of 3.5 X 10(19).To maintain the high spectral purity, two fiber noise compensation modules are employed to compensate for the fiber-induced phase noise in each 50 km fiber. The cascaded scheme enables a large dynamic range for the noise compensation. The fractional frequency instability for the stabilized 100 km fiber is 5.9 X 10(17) at 1 s averaging time, reaching 6.8 X 10(19) at 10 000 s. The ultranarrow linewidth laser is recovered at the remote end of the 100 km fiber with additional linewidth of 1 mHz.
引用
收藏
页数:6
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