Narrowing of electromagnetically induced transparency by using structured coupling light in 85Rb atomic vapor medium

被引：13
|
作者：
Chauhan, Vikas S. [1 ]
Kumar, Rohit [1 ]
Manchaiah, Dixith [1 ]
Kumar, Praveen [1 ]
Easwaran, Raghavan K. [1 ]
机构：
[1] Indian Inst Technol Patna, Patna 801103, Bihar, India
来源：
LASER PHYSICS | 2020年 / 30卷 / 06期
关键词：
electromagnetically induced transparency; structured light; slow light; ORBITAL ANGULAR-MOMENTUM; QUANTUM REPEATERS; VECTOR BEAMS; GENERATION; STORAGE; ENSEMBLES; MEMORY; SLOW;
D O I：
10.1088/1555-6611/ab8568
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this manuscript, we observed narrowing of electromagnetically induced transparency (EIT) spectral width by using superimposed Laguerre-Gaussian (LG) beams for coupling light. EIT with narrow transparency width has a potential application towards slow light for quantum memory devices. LG beams of sigma(+) and sigma(-) polarization are superimposed and used as coupling light for an EIT experiment. A theoretical model is discussed using a semi-classical treatment and the experimental part confirms the narrowing of EIT width for higher values of 'l'.
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页数：8
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