Probing light-matter interactions at the nanoscale with a deterministically positioned single quantum dot

Chad Ropp; Zachary Cummins; Roland Probst; Sijia Qin; John T. Fourkas; Benjamin Shapiro; Edo Waks

doi:10.1117/12.2004820

29 March 2013 Probing light-matter interactions at the nanoscale with a deterministically positioned single quantum dot

Chad Ropp, Zachary Cummins, Roland Probst, Sijia Qin, John T. Fourkas, Benjamin Shapiro, Edo Waks

Proceedings Volume 8634, Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling X; 86340H (2013) https://doi.org/10.1117/12.2004820
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

Single QDs are desirable probe objects for studying near-field optical interactions with photonic structures, however, they are often very difficult to manipulate due to their small sizes. Here, we describe a technique for the manipulation of individual colloidal CdSe/ZnS quantum dots (QDs) with nanometer accuracy along a two dimensional surface. A microfluidic approach is described which provides two-dimensional positioning of single QDs with nanoscale accuracy. In addition, we discuss the engineering of a water-based fluid that provides localization of QDs to within 100 nm of the channel surface. Through a combination of surface localization and in plane manipulation, a setup is described where single QDs can be utilized as single emitter probes for studying local light-matter interactions in a planar geometry.

Citation Download Citation

Chad Ropp, Zachary Cummins, Roland Probst, Sijia Qin, John T. Fourkas, Benjamin Shapiro, and Edo Waks "Probing light-matter interactions at the nanoscale with a deterministically positioned single quantum dot", Proc. SPIE 8634, Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling X, 86340H (29 March 2013); https://doi.org/10.1117/12.2004820

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