Ultra-low threshold polariton lasing in photonic crystal cavities

Details Ultra-low threshold polariton lasing in photonic crystal cavities Ultra-low threshold polariton lasing in photonic crystal cavities

2011-08-24

arxiv.org/abs/1108.4948v1

Appl. Phys. Lett. 99, 111106 (2011)

Physics

Condensed Matter

Other Condensed Matter

4 pages, 3 figures

Scientific paper

10.1063/1.3638469

The authors show clear experimental evidence of lasing of exciton polaritons confined in L3 photonic crystal cavities. The samples are based on an InP membrane in air containing five InAsP quantum wells. Polariton lasing is observed with thresholds as low as 120 nW, below the Mott transition, while conventional photon lasing is observed for a pumping power one to three orders of magnitude higher.

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