Interplay of coherent and dissipative dynamics in condensates of light

Interplay of coherent and dissipative dynamics in condensates of light
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光凝聚体中相干动力学和耗散动力学的相互作用

DOI:
10.1088/1367-2630/aac2a6
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发表时间:
2017
影响因子:
3.3
通讯作者:
A. Pelster
A. Pelster
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
M. Radonjić;W. Kopylov;A. Balaž;A. Pelster

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基于Lindblad主方程方法,我们得到了一个详细的微观模型的光子在一个充满染料的腔,其特点是凝聚的光。为此,我们概括了最近的非平衡方法的柯顿和Keeling这样的染料介导的贡献的光凝聚体中的光子-光子相互作用是可访问的,由于相干和耗散动力学的相互作用。我们描述的系统的稳态特性,通过分析所产生的运动方程的光子和物质的自由度。特别地,我们讨论了两种极限情形的存在性:光子玻色-爱因斯坦凝聚和类激光。在前一种情况下,我们确定了相应的无量纲光子-光子相互作用强度依赖于现实的实验数据,并找到了与以前的理论估计很好的协议。此外,我们调查如何无量纲相互作用强度取决于各自的系统参数。
Based on the Lindblad master equation approach we obtain a detailed microscopic model of photons in a dye-filled cavity, which features condensation of light. To this end we generalise a recent non-equilibrium approach of Kirton and Keeling such that the dye-mediated contribution to the photon–photon interaction in the light condensate is accessible due to an interplay of coherent and dissipative dynamics. We describe the steady-state properties of the system by analysing the resulting equations of motion of both photonic and matter degrees of freedom. In particular, we discuss the existence of two limiting cases for steady states: photon Bose–Einstein condensate and laser-like. In the former case, we determine the corresponding dimensionless photon–photon interaction strength by relying on realistic experimental data and find a good agreement with previous theoretical estimates. Furthermore, we investigate how the dimensionless interaction strength depends on the respective system parameters.
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