Miniature erbium:ytterbium fiber Fabry-Perot multiwavelength lasers

被引:30
作者
Yamashita, S [1 ]
Hsu, K
Loh, WH
机构
[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
[2] Micron Opt Inc, Atlanta, GA 30329 USA
基金
日本学术振兴会; 英国工程与自然科学研究理事会;
关键词
erbium : ytterbium fiber; homogeneous linewidth; multiwavelength lasing; optical fiber lasers; wavelength-division multiplexing;
D O I
10.1109/2944.649540
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We demonstrate stable simultaneous lasing of up to 29 wavelengths in miniature 1- and 2-mm-long B3+:Yb3+ fiber Fabry-Perat lasers. The wavelengths are separated by 0.8 (100 GHz) and 0.4 nm (50 GHz), respectively, corresponding to the free spectral range of the laser cavity. The number of lasing wavelengths and the power stability of the individual modes are greatly enhanced by cooling the laser in liquid nitrogen (77 K): The polarization modes and linewidth of each wavelength are measured with high resolution by heterodyning with a local oscillator. The homogeneous linewidth of the Er3+:Yb3+ fiber at 77 K is determined to be similar to 0.5 nm, from spectral-hole-burning measurements, which accounts for the generation of a stable multiwavelength lasing comb with wavelength separations of 0.4 nm.
引用
收藏
页码:1058 / 1064
页数:7
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