1. Imaging exciton polariton transport in MoSe2- +
Tip
MoSe2
exciton
laser
photon + exciton = exciton polariton
Scientific Achievement
We performed a systematic nano-optical imaging study of MoSe2 revealing long-propagating exciton polaritons.
Illustration of polariton imaging
Polariton signature
E = 1.63 eV
2mm
E = 1.48 eV
2mm
E = 1.41 eV
2mm
Significance & Impact
The first imaging study of exciton polaritons
The longest-propagation exciton polaritons at room temperature ever observed
2mm
E = 1.35 eV
Future research plan
Imaging data revealing polariton waves
Image exciton polaritons in atomic-layer MoSe2
Build exciton polariton transistors
F. Hu et al. Nature Photonics 11, (2017)