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Resonant Spectroscopy on Charge Tunable Quantum Dots in Photonic Crystal Structures

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4 Author(s)
Dorothea Pinotsi ; Inst. of Quantum Electron., Eidgenossische Tech. Hochschule Zurich, Zurich, Switzerland ; Parisa Fallahi ; Javier Miguel-Sanchez ; Atac Imamoglu

We demonstrate resonant excitation of a semiconductor quantum dot embedded in a p-i-n diode structure in and out of a photonic crystal cavity. We investigate the modification of the spontaneous emission rate and the photon collection efficiency of quantum dots due to the presence of a photonic bandgap. The resonant excitation together with deterministic charging of the quantum dot embedded in a photonic crystal, can be used for single electron spin measurement.

Published in:

IEEE Journal of Quantum Electronics  (Volume:47 ,  Issue: 11 )