Pronounced Purcell enhancement of spontaneous emission in CdTe/ZnTe quantum dots embedded in micropillar cavities

Autor:	Jakubczyk, Tomasz, Pacuski, Wojciech, Smoleński, Tomasz, Golnik, Andrzej, Florian, Matthias, Jahnke, Frank, Kruse, Carsten, Hommel, Detlef, Kossacki, Piotr
Rok vydání:	2012
Předmět:	Condensed Matter - Mesoscale and Nanoscale Physics Physics - Optics
Zdroj:	Appl. Phys. Lett. 101, 132105 (2012)
Druh dokumentu:	Working Paper
DOI:	10.1063/1.4754078
Popis:	The coupling of CdTe/ZnTe quantum dot (QD) emission to micropillar cavity eigenmodes in the weak coupling regime is demonstrated. We analyze photoluminescence spectra of QDs embedded in monolithic micropillar cavities based on Bragg mirrors which contain MgSe/ZnTe/MgTe superlattices as low-index material. The pillar emission shows pronounced cavity eigenmodes and their spectral shape is in good agreement with simulations. QD emission in resonance with the cavity mode is shown to be efficiently guided toward the detector and an experimental Purcell enhancement by a factor of 5.7 is determined, confirming theoretical expectations. Comment: 3 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1207.6795 Zobrazit plný text záznamu View this record from Arxiv