Control of spontaneous emission from a laser-driven four-level atom in photonic crystals

Control of spontaneous emission from a laser-driven four-level atom in photonic crystals
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光子晶体中激光驱动四能级原子自发发射的控制

DOI:
10.1088/0953-4075/41/6/065508
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发表时间:
2008-03
影响因子:
1.6
通讯作者:
Sun, X. D.
Sun, X. D.
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Zhang, B.;Jiang, X. Q.;Sun, X. D.

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我们研究嵌入光子晶体中的驱动四能级原子自发发射的稳态行为。考虑不同的初始条件,我们讨论了光子带隙和外部驱动场失谐对原子自发发射光谱的影响。光子带隙和外部驱动场将对原子自发发射特性产生强烈影响。发现了一些有趣的现象,例如激光引起的暗线、激光引起的谱线变窄和激光引起的将修饰态推出带隙,这些现象可归因于量子干涉效应和外部驱动场的控制。
We study the steady-state behaviour of spontaneous emission of a driven four-level atom embedded in photonic crystals. Considering different initial conditions, we discuss the influence of photonic band gap and detuning of external driving field on the atomic spontaneous emission spectrum. The photonic band gap and external driving field will impact strongly on the atomic spontaneous emission properties. Some interesting phenomena were found such as laser-induced dark line, laser-induced spectral-line narrowing and laser-induced pushing of a dressed state out of the band gap, which can be attributed to the quantum interference effect and control of the external driving field.
DOI: 10.1093/acprof:oso/9780198563617.001.0001
发表时间: 1997-12
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