2002•Optics LettersRequires access

Modification of spontaneous emission from CdSe/CdS quantum dots in the presence of a semiconductor interface

Jiayu Zhang, Xiaoyong Wang, Min Xiao

Abstract

The spontaneous-emission lifetime of CdSe/CdS core-shell quantum dots was studied as a function of the distance between the dots and a polished Si surface. The experimental results reveal a significant modification of the spontaneous-emission rate of the quantum dots by the Si surface.

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Key concepts: Quantum dot, Spontaneous emission, Materials science, Semiconductor, Optoelectronics, Core (optical fiber), Amplified spontaneous emission, Optics