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13 - Electrical and Electronic Engineering, Metallurgy and Materials
University College London
Coherent Two-Electron Spin Qubits in an Optically Active Pair of Coupled InGaAs Quantum Dots
Decoherence is the main obstacle to realizing a quantum computer. This paper – the culmination of several years research – demonstrated an improvement of more than two orders of magnitude in the coherence time of a two-spin qubit, resulting in the longest T2* value reported for self-assembled quantum dots. It has led to six invited talks at international symposia (including the 2013 Rank Prize Symposium on “Semiconductor Nano-photonics for Quantum Information Science”). Furthermore, the results form the basis of the current research plan of Dr Elzerman, for which he received a five-year £50k Royal Society – Wolfson Research Merit Award.