Spin noise spectroscopy of rubidium atomic gas under resonant and non-resonant conditions

doi:10.1088/1674-1056/25/11/117203

Abstract The spin fluctuation in rubidium atom gas is studied via all-optical spin noise spectroscopy (SNS). Experimental results show that the integrated SNS signal and its full width at half maximum (FWHM) strongly depend on the frequency detuning of the probe light under resonant and non-resonant conditions. The total integrated SNS signal can be well fitted with a single squared Faraday rotation spectrum and the FWHM dependence may be related to the absorption profile of the sample.

Keywords: spin noise spectroscopy rubidium atoms homogeneous broaden

Received: 07 July 2016
Revised: 11 August 2016
Accepted manuscript online:

PACS:	72.25.Rb	(Spin relaxation and scattering)
	42.50.Lc	(Quantum fluctuations, quantum noise, and quantum jumps)
	32.30.-r	(Atomic spectra?)
	42.25.Bs	(Wave propagation, transmission and absorption)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 91321310 and 11404325) and the National Basic Research Program of China (Grant No. 2013CB922304).

Corresponding Authors: Yang Ji
E-mail: jiyang@semi.ac.cn

Cite this article:

Jian Ma(马健), Ping Shi(史平), Xuan Qian(钱轩), Wei Li(李伟), Yang Ji(姬扬) Spin noise spectroscopy of rubidium atomic gas under resonant and non-resonant conditions 2016 Chin. Phys. B 25 117203

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Spin noise spectroscopy of rubidium atomic gas under resonant and non-resonant conditions

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