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Rostock 2019 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 24: Poster: Quantum Optics and Photonics I

Q 24.9: Poster

Tuesday, March 12, 2019, 16:30–18:30, S Fobau Physik

Scanning Cavity Microscopy of semiconducting SWCNTs — •Thea Moosmayer1, Thomas Hümmer2, Frank Hennrich1, Ralph Krupke1,3, and David Hunger11Karlsruher Institut für Technologie — 2Ludwig-Maximilians-Universität München — 3Technische Universität Darmstadt

Semiconducting single-walled carbon nanotubes (SWCNTs) are promising candidates for efficient, electrically triggered, single-photon sources at room temperature in the telecom wavelengths, which would be essential for quantum cryptography. A scanning cavity microscope consiting of a tunable high-finesse Fabry-Pérot microcavity is developed. It allows for real time absorption imaging of single SWCNTs. Beeing able to individually adress SWCNTs, the cavity will be used for Purcell enhancement of the fluorescence of localized excitons. The SWCNTs can furthermore be electrically contacted to drive photon emission.

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