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arXiv 0905.3186cond-mat.mes-hall
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0维囚禁微腔极化激元的非线性弛豫

Nonlinear relaxation of 0-dimension-trapped microcavity polaritons

Ounsi El Daif, Gael Nardin, Taofiq K. Paraiso, Augustin Baas, Maxime Richard, J. -P. Brantut, Francois Morier-Genoud, Benoit Deveaud-Pledran, Thierry Guillet

摘要:

研究了非共振激发下浅零维陷阱中束缚极化激元态的发射特性。我们的证据几个放松制度。对于轻微的负光子-激子失谐,我们观察到的发射强度的非线性增加,载流子-载流子散射辅助弛豫下强耦合制度的特点。这证明了系统向受限状态的有效弛豫。对于轻微的正失谐,我们观察到从强到弱耦合区,然后单模激光的过渡。

英文摘要:

We study the emission properties of confined polariton states in shallow zero-dimensional traps under non-resonant excitation. We evidence several relaxation regimes. For slightly negative photon-exciton detuning, we observe a nonlinear increase of the emission intensity, characteristic of carrier-carrier scattering assisted relaxation under strong-coupling regime. This demonstrates the efficient relaxation towards a confined state of the system. For slightly positive detuning, we observe the transition from strong to weak coupling regime and then to single-mode lasing.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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