Berlin 2018 – wissenschaftliches Programm

Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe

TT: Fachverband Tiefe Temperaturen

TT 99: Poster Session: Transport

TT 99.11: Poster

Donnerstag, 15. März 2018, 15:00–19:00, Poster B

Coupling suspended carbon nanotubes to superconducting resonators — •Stefan Blien, Alexander Albang, Patrick Steger, Simon Reinhardt, Thomas Huber, and Andreas K. Hüttel — Institute for Experimental and Applied Physics, University of Regensburg, 93040 Regensburg, Germany

The dispersive coupling of nano-electromechanical systems (NEMS) to superconducting coplanar waveguide (CPW) resonators in the resolved sideband regime allows controlled energy transfer between the two systems and in particular the cooling of the vibration mode. Suspended carbon nanotubes as NEMS embody both single-electron tunneling devices as well as high quality mechanical resonators. They are already close to the mechanical quantum limit at cryogenic temperatures and single electron effects dominate the mechanical behaviour, making them an interesting testbed for novel optomechanical effects.

We show first results on clean carbon nanotubes that are pre-grown and successfully transferred to a niobium CPW resonator device. We have confirmed the high quality of the transferred nanotubes and the feasibility of transparent contacts by low-temperature transport measurements.