Journal
APPLIED PHYSICS LETTERS
Volume 104, Issue 23, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4883477
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Funding
- National Science Foundation under the MRSEC program [DMR-1120923]
- National Science Foundation
- [ECS-1220715]
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Strong coupling effects and polariton lasing are observed at 155K with an edge-emitting GaAs-based microcavity diode with a single Al0.31Ga0.69As/Al0.41Ga0.59As quantum well as the emitter. The threshold for polariton lasing is observed at 90 A/cm(2), accompanied by a reduction of the emission linewidth to 0.85 meV and a blueshift of the emission wavelength by 0.89 meV. Polariton lasing is confirmed by the observation of a polariton population redistribution in momentum space and spatial coherence. Conventional photon lasing is recorded in the same device at higher pump powers. (C) 2014 AIP Publishing LLC.
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