Tuning Methods for Semiconductor Spin Qubits

URN to cite this document:: urn:nbn:de:bvb:355-epub-384229
DOI to cite this document:: 10.5283/epub.38422

Botzem, Tim ; Shulman, Michael D. ; Foletti, Sandra ; Harvey, Shannon P. ; Dial, Oliver E. ; Bethke, Patrick ; Cerfontaine, Pascal

; McNeil, Robert P. G. ; Mahalu, Diana ; Umansky, Vladimir

; Ludwig, Arne

; Wieck, Andreas

; Schuh, Dieter ; Yacoby, Amir ; Bluhm, Hendrik ;

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Date of publication of this fulltext: 12 Mar 2019 11:56

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Abstract

We present efficient methods to reliably characterize and tune gate-defined semiconductor spin qubits. Our methods are developed for double quantum dots in GaAs heterostructures, but they can easily be adapted to other quantum-dot-based qubit systems. These tuning procedures include the characterization of the interdot tunnel coupling, the tunnel coupling to the surrounding leads, and the ...