High-temperature polariton lasing in a strongly coupled ZnO microcavity

Ying Yu Lai, Yu-Pin Lan, Tien-chang Lu*

*此作品的通信作者

研究成果: Article同行評審

21 引文 斯高帕斯(Scopus)

摘要

We report on the observation of polariton lasing in a negative detuned ZnO hybrid microcavity at room temperature (300 K) with threshold of 12.38 μJ/cm 2 and at high temperature (353 K) with a higher threshold of 53.05 μJ/cm 2 due to a stronger thermal escape process and a shallower polariton trap. The decoherence mechanism of the polariton laser due to the polariton self-interaction was investigated by power-dependent photoluminescence and Michelson interference measurements. The spatial coherence length r c ~ 0.26 μm of the polariton laser was obtained from Young's double slits.

原文English
文章編號082801
期刊Applied Physics Express
5
發行號8
DOIs
出版狀態Published - 8月 2012

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