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Control of spontaneous emission, which is one of the fundamental concepts in the field of quantum optics, has been reported using photonic crystals and microcavities through the Purcell effect. Increasing the photonic density of states (PDOS) is the key to enhancing the spontaneous emission from emitters which have a low quantum yield. There have been several reports on the enhancement of spontaneous...
In this paper photonic devices incorporating colloidal quantum dots are demonstrated. One-dimensional microcavity structure are fabricated using a combination of low temperature plasma enhanced chemical vapor deposition and spin coating. Enhancement in spontaneous emission from the CdSe/ZnS core/shell QDs embedded in the microcavity is demonstrated through steady state and time resolved luminescence...
The two-photon excited fluorescence from CdSe/ZnS quantum dots on the surface of a two-dimensional SiN photonic crystal was investigated. With photonic crystal, the enhancement and the blue shift of two-photon excited fluorescence was observed.
A new platform for fluorescence enhancement incorporating photonic crystal slabs is demonstrated. Fluorescence enhancement occurs by the effect of leaky eigenmodes that serve to enhance near-field intensities and simultaneously provide enhanced extraction.
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