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Optical Trapping of a Colloidal Quantum Dot

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Abstract

Bowtie apertures fabricated by lift-off were used to optically trap a 30-nm silica coated quantum dot (scQD) with 1.56-MW/cm2 intensity at 1064-nm wavelength. The trapped scQD emitted fluorescence by two photon excitation from the trapping laser.

© 2015 Optical Society of America

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