Abstract
Ultrasmall volume (Veff ∼ 2(λ/n)3), fiber-coupled microdisks with embedded quantum dots are studied. Quality factors > 105, laser thresholds of ∼ 1µW, and differential (out-coupling) efficiencies of 16% (28%) are measured, and a spontaneous emission factor of 16% is estimated.
© 2006 Optical Society of America
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