Nano-second exciton-polariton lasing in organic microcavities
arXiv:2006.11556 · doi:10.1063/5.0019195
Abstract
Organic semiconductors are a promising platform for ambient polaritonics. Several applications, such as polariton routers, and many-body condensed matter phenomena are currently hindered due to the ultra-short polariton lifetimes in organics. Here, we employ a single-shot dispersion imaging technique, using 4 nanosecond long non-resonant excitation pulses, to study polariton lasing in a planar organic microcavity filled with BODIPY-Br dye molecules. At a power threshold density of , we observe the transition to a quasi-steady state, 1.2 ns long-lived, single-mode polariton lasing and the concomitant superlinear increase of photoluminescence, spectral line-narrowing, and energy blueshift
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