Demonstration of a superluminal laser using electromagnetically induced transparency in Raman gain

被引：4
|
作者：
Zhou, Zifan [1 ]
Zhu, Ruoxi [1 ]
Sternfeld, Yael [2 ]
Scheuer, Jacob [2 ]
Bonacum, Jason [3 ]
Shahriar, Selim M. [1 ,4 ]
机构：
[1] Northwestern Univ, Dept Elect & Comp Engn, Evanston, IL 60208 USA
[2] Tel Aviv Univ, Dept Phys & Astron, IL-69978 Tel Aviv, Israel
[3] DigitaTel Avivl Opt Technol, Rolling Meadows, IL 60008 USA
[4] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA
来源：
OPTICS EXPRESS | 2023年 / 31卷 / 09期
基金：
美国国家航空航天局;
关键词：
WHITE-LIGHT CAVITIES;
D O I：
10.1364/OE.486083
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the realization of a superluminal laser in which the dip in the gain profile necessary for anomalous dispersion is produced via electromagnetically induced transparency caused by the optical pumping laser. This laser also creates the ground state population inversion necessary for generating Raman gain. Compared to a conventional Raman laser with similar operating parameters but without the dip in the gain profile, the spectral sensitivity of this approach is explicitly demonstrated to be enhanced by a factor of -12.7. Compared to an empty cavity, the peak value of the sensitivity enhancement factor under optimal operation parameters is inferred to be -360.(c) 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
引用
收藏
页码：14377 / 14388
页数：12
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