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Shielding noises from spins

Research output: Contribution to conference - Without ISBN/ISSN Conference paper

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Publication date22/03/2016
<mark>Original language</mark>English
EventSolid State Quantum Photonics 2016: Quantum Dots, 2D Materials, Color Centres - University of Sheffield, Sheffield, United Kingdom
Duration: 22/03/201622/03/2016
https://ldsd.group.shef.ac.uk/solid-state-quantum-photonics-2016/

Conference

ConferenceSolid State Quantum Photonics 2016
CountryUnited Kingdom
CitySheffield
Period22/03/1622/03/16
Internet address

Abstract

Electrons in InAs/GaAs quantum dots are strong candidates for qubits due to quantum confinement of the spin ½ system. However, electrons couple with nearby nuclear spins and the fluctuating electrostatic environment, these impose an undesired bottleneck on the performance of a quantum spin device.

We show that the fluctuating charge and spin environment may be circumvented to an extent. Compared to InAs/GaAs quantum dots, two-dimensional materials may be used to minimise nuclear spin noise; combined with careful sample design a low-decoherence platform is envisioned.