Room temperature polariton lasing vs photon lasing in a ZnO-based hybrid microcavity | Zendy

TienChang Lu | Zendy; Ying-Yu Lai | Zendy; Yu-Pin Lan | Zendy; Si-Wei Huang | Zendy; Jun-Rong Chen | Zendy; Yung-Chi Wu | Zendy; Wen-Feng Hsieh | Zendy; Hui Deng | Zendy

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Room temperature polariton lasing vs photon lasing in a ZnO-based hybrid microcavity

Author(s) -

TienChang Lu,

Ying-Yu Lai,

Yu-Pin Lan,

Si-Wei Huang,

Jun-Rong Chen,

Yung-Chi Wu,

Wen-Feng Hsieh,

Hui Deng

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.005530

Subject(s) - lasing threshold , polariton , laser linewidth , gain switching , photon , optoelectronics , whispering gallery wave , materials science , laser , optics , atomic physics , physics

We report on the room temperature polariton lasing and photon lasing in a ZnO-based hybrid microcavity under optical pumping. A series of experimental studies of the polariton lasing (exciton-photon detunings of δ = -119 meV) in the strong-coupling regime are discussed and compared to a photon lasing (δ = -45 meV) in the weak-coupling regime obtained in the same structure. The measured threshold power density (31.8 kW/cm2) of polariton lasing is one order of magnitude lower than that of the photon lasing (318.2 kW/cm2). In addition, the comparison between polariton lasing and photon lasing is done in terms of the linewidth broadening, blue-shift of the emission peak, and polarization.

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