Origins of nonzero multiple photon emission probability from single quantum dots embedded in photonic crystal nanocavities

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/38964

Title:	Origins of nonzero multiple photon emission probability from single quantum dots embedded in photonic crystal nanocavities
Authors:	Chang,HS;Chen,WY;Hsu,TM;Hsieh,TP;Chyi,JI;Chang,WH
Contributors:	物理研究所
Keywords:	DENSITY
Date:	2009
Issue Date:	2010-07-08 14:00:35 (UTC+8)
Publisher:	中央大學
Abstract:	This work explores the origins of nonzero multiphoton emission probability for quantum dots embedded in photonic crystal nanocavities using different excitation energies to inject excitons into either the GaAs barrier or the quantum-dot excited state. The detected multiphoton events are established to arise from both the recapture of excitons and background emissions from the wetting layer tail states. The exciton emission is analyzed using rate-equation calculations, which suggest that multiphoton emission is dominated by the recapture effect.
Relation:	APPLIED PHYSICS LETTERS
Appears in Collections:	[Graduate Institute of Physics] journal & Dissertation

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