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

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題名:	Origins of nonzero multiple photon emission probability from single quantum dots embedded in photonic crystal nanocavities
作者:	Chang,HS;Chen,WY;Hsu,TM;Hsieh,TP;Chyi,JI;Chang,WH
貢獻者:	物理研究所
關鍵詞:	DENSITY
日期:	2009
上傳時間:	2010-07-08 14:00:35 (UTC+8)
出版者:	中央大學
摘要:	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.
關聯:	APPLIED PHYSICS LETTERS
顯示於類別:	[物理研究所] 期刊論文

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