10.1021/acsphotonics.7b01593.s001
Wenna Du
Wenna
Du
Shuai Zhang
Shuai
Zhang
Jia Shi
Jia
Shi
Jie Chen
Jie
Chen
Zhiyong Wu
Zhiyong
Wu
Yang Mi
Yang
Mi
Zhixiong Liu
Zhixiong
Liu
Yuanzheng Li
Yuanzheng
Li
Xinyu Sui
Xinyu
Sui
Rui Wang
Rui
Wang
Xiaohui Qiu
Xiaohui
Qiu
Tom Wu
Tom
Wu
Yunfeng Xiao
Yunfeng
Xiao
Qing Zhang
Qing
Zhang
Xinfeng Liu
Xinfeng
Liu
Strong Exciton–Photon Coupling and Lasing Behavior
in All-Inorganic CsPbBr<sub>3</sub> Micro/Nanowire Fabry-Pérot
Cavity
American Chemical Society
2018
waveguided output spectra
application
CVD method
Lasing Behavior
group index
strength
656 meV
light source
threshold polariton lasing
CsPbBr 3 cavity
quality CsPbBr 3
room temperature
lasing threshold
polariton lasing
light-emitting diodes
vacuum Rabi splitting
mode volume
lasing spectra
PL spectra
2018-03-13 00:00:00
Journal contribution
https://acs.figshare.com/articles/journal_contribution/Strong_Exciton_Photon_Coupling_and_Lasing_Behavior_in_All-Inorganic_CsPbBr_sub_3_sub_Micro_Nanowire_Fabry-Pe_rot_Cavity/6005312
All-inorganic
perovskite micro/nanowire materials hold great promises
as nanoscale coherent light source due to their superior optical and
electronic properties. The coupling strength between exciton and photon
in this system is important for their optical application, however,
is rarely studied. In this work, we demonstrated the strong coupling
of exciton-photon and polariton lasing in high quality CsPbBr<sub>3</sub> micro/nanowires synthesized by a CVD method. By exploring
spatial resolved PL spectra of CsPbBr<sub>3</sub> cavity, we observed
mode volume dependent coupling strength with a vacuum Rabi splitting
up to 656 meV, as well as significant increase in group index. Moreover,
low threshold polariton lasing was achieved at room temperature within
strong coupling regime; the polariton characteristic is confirmed
by comparing lasing spectra with waveguided output spectra and the
dramatically reduced lasing threshold. Our present results provide
new avenues to achieve high coupling strengths potentially enabling
application of exciting phenomena such as Bose–Einstein condensation
of polaritons, efficient light-emitting diodes, and lasers.