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Shot Noise Detection on a Carbon Nanotube Quantum Dot

E. Onac·F. Balestro·B. Trauzettel·C. F. J. Lodewijk·L. P. Kouwenhoven
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Abstract

An on-chip detection scheme for high frequency signals is used to detect noise generated by a quantum dot formed in a single wall carbon nanotube. The noise detection is based on photon assisted tunneling in a superconductor-insulator-superconductor junction. Measurements of shot noise over a full Coulomb diamond are reported with excited states and inelastic cotunneling clearly resolved. Super-Poissonian noise is detected in the case of inelastic cotunneling.

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E. Onac, F. Balestro, B. Trauzettel, C. F. J. Lodewijk, L. P. Kouwenhoven. 2005-10-27. Shot Noise Detection on a Carbon Nanotube Quantum Dot. https://doi.org/10.1103/physrevlett.96.026803

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