Characterization of frequency stability in electromagnetically induced transparency-based atomic clocks using a differential detection scheme

被引：13

作者：

Guidry, Melissa A. ^{[1
]}

Kuchina, Elena ^{[2
]}

Novikova, Irina ^{[1
]}

Mikhailov, Eugeniy E. ^{[1
]}

机构：

[1] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA

[2] Thomas Nelson Community Coll, Hampton, VA 23666 USA

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2017年 / 34卷 / 10期

关键词：

RAMSEY SPECTROSCOPY; D1; LINE; COHERENT; RESONANCES; CONTRAST; RB-87; STATES; VAPOR; NOISE;

D O I：

10.1364/JOSAB.34.002244

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate a recently proposed scheme for differential detection of the magneto-optical rotation effect and its application to electromagnetically induced transparency (EIT) atomic clocks [Opt. Lett. 40, 3703 (2015)]. This scheme utilizes a linearly polarized bichromatic laser field that is EIT-resonant with alkali atoms. The results of our study reveal that the suppression of the laser noise can substantially improve the signal-to-noise ratio in EIT atomic clocks. Our preliminary results demonstrate an order of magnitude improvement in clock stability under some conditions when incorporating the differential detection scheme. (C) 2017 Optical Society of America

引用

页码：2244 / 2249

页数：6

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