The breaking point between fast- and slow-light in adegenerate two-level atomic system

doi:10.1088/1674-1056/19/6/064206

Abstract This paper investigates the breaking point between fast- and slow-light in a degenerate two-level atomic system, where fast-light can be converted to slow-light arbitrarily on a single transition line by adjusting the strength of the pumping field. An equivalent incoherent pumping rate is introduced in this simplified theoretical model which exploits the dependence of this feature. The experimental observation is presented as evidence of the breaking point where the injected power is about 0.08~mW.

Keywords: degenerate two-level atomic system breaking point group velocity

Received: 12 August 2009
Accepted manuscript online:

PACS:	32.80.Xx	(Level crossing and optical pumping)
	32.60.+i	(Zeeman and Stark effects)
	42.50.Gy	(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)

Fund: Project supported by the Key Program of the National Natural Science Foundation of China (Grant No.~60837004) and the Key Project of Jiangxi Electric Power Company (Grant Nos.~200950801 and 200950802).

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Li Lu-Ming(李路明), Hu Zhen-Yan(胡振燕 ), Luo Bin(罗斌), and Guo Hong(郭弘) The breaking point between fast- and slow-light in adegenerate two-level atomic system 2010 Chin. Phys. B 19 064206

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The breaking point between fast- and slow-light in adegenerate two-level atomic system

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