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25 June 2003 Controlled coupling of a single emitter to a single mode of a microsphere: where do we stand?
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Proceedings Volume 4969, Laser Resonators and Beam Control VI; (2003) https://doi.org/10.1117/12.483651
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States
Abstract
We measured the coupling of the florescence from semiconductor nano-crystals and sub-micron sized dye-doped beads to high-Q whispering gallery modes (WGM) of a microsphere resonator. With Q-factors as high as 109 the florescence could be extracted in a controlled way via a prism coupler. We observed nearly 100 % modulation in the spectrum which reflects the coupling to the WGMs. With the help of a beam scanning confocal microscope we were able to address a single 500 nm sized dye-doped bead on the sphere’s surface and to collect and analyze its florescence in a well defined manner via the prism coupler.
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Stephan Goetzinger, L. de S. Menezes, A. Mazzei, O. Benson, Dmitri V. Talapin, Nicolaj Gaponik, Horst Weller, Andrey L. Rogach, and Vahid Sandoghdar "Controlled coupling of a single emitter to a single mode of a microsphere: where do we stand?", Proc. SPIE 4969, Laser Resonators and Beam Control VI, (25 June 2003); https://doi.org/10.1117/12.483651
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