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Diameter-dependent conductance of InAs nanowires
Marc Scheffler, Stevan Nadj-Perge, Leo P. Kouwenhoven +2
Electrical conductance through InAs nanowires is relevant for electronic applications as well as for fundamental quantum experiments. Here we employ nominally undoped, slightly tap…
Quantum manipulation in a Josephson LED
Fabian Hassler, Yuli V. Nazarov, Leo P. Kouwenhoven
We access the suitability of the recently proposed Josephson LED for quantum manipulation purposes. We show that the device can both be used for on-demand production of entangled p…
Carbon nanotubes as ultra-high quality factor mechanical resonators
A. K. Huettel, G. A. Steele, B. Witkamp +3
We have observed the transversal vibration mode of suspended carbon nanotubes at millikelvin temperatures by measuring the single-electron tunneling current. The suspended nanotube…
Tunable few-electron double quantum dots and Klein tunnelling in ultra-clean carbon nanotubes
G. A. Steele, G. Gotz, L. P. Kouwenhoven
Quantum dots defined in carbon nanotubes are a platform for both basic scientific studies and research into new device applications. In particular, they have unique properties that…
The Josephson light-emitting diode
Patrik Recher, Yuli V. Nazarov, Leo P. Kouwenhoven
We consider an optical quantum dot where an electron level and a hole level are coupled to respective superconducting leads. We find that electrons and holes recombine producing ph…