Generation of optical frequencies out of the frequency comb of a femtosecond laser for DWDM telecommunication

被引：29
|
作者：
Kim, Y-J. [1 ]
Chun, B. J. [1 ]
Kim, Y. [1 ]
Hyun, S. [1 ]
Kim, S. -W. [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Ultrafast Opt Ultraprecis Technol Grp, Taejon 305701, South Korea
来源：
LASER PHYSICS LETTERS | 2010年 / 7卷 / 07期
基金：
新加坡国家研究基金会;
关键词：
single frequency generation; frequency comb; injection locking; ER-DOPED FIBER; LOCKED LASERS; MODE; RANGE;
D O I：
10.1002/lapl.201010012
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We exploit the frequency comb of a fs laser as the frequency ruler to generate reference optical frequencies for multi-channel DWDM (dense wavelength-division-multiplexing) telecommunication. Our fiber-based scheme of single-mode extraction enables on-demand generation of optical frequencies within the telecommunication band with an absolute frequency uncertainty of 9.1 x10(-13). The linewidth of extracted optical modes is less than 1 Hz, and the instability is measured 2.3x10(-15) at 10 s averaging. This outstanding performance of optical frequency generation would lead to a drastic improvement of the spectral efficiency for the next-generation DWDM telecommunication.
引用
收藏
页码：522 / 527
页数：6
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