title: Quasi-whispering gallery modes of exciton-polaritons in a ZnO microrod.
abstract: We report the photoluminescence (PL) investigations of quasi-whispering gallery mode (quasi-WGM) polaritons in a ZnO microrod at room temperature. By using the confocal micro-PL spectroscopic technique, we observe the clear optical quasi-WGMs. These quasi-WGMs appeared in the ultraviolet (UV) emission region where the cavity modes strongly couple with excitons and form polaritons. The quasi-WGMs polaritons can be well described by the plane wave interference and the coupling oscillator model.
authors: State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai 200433, China.
authors: Liaoxin
authors: L
authors: Sun
authors: Hongxing
authors: H
authors: Dong
authors: Wei
authors: W
authors: Xie
authors: Zhenghua
authors: Z
authors: An
authors: Xuechu
authors: X
authors: Shen
authors: Zhanghai
authors: Z
authors: Chen