A long-lived spin qubit in an optically active semiconductor quantum dot

We report on the first s pin-control e xperiments i n o ptically active GaAs/AlGaAs quantum dots. Using dynamic decoupling, we retain a quantum superposition for up to 105 µs, a hundred-fold improvement over the state-of-the-art.

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Bibliographic Details
Published in2022 Conference on Lasers and Electro-Optics (CLEO) pp. 1 - 2
Main Authors Zaporski, Leon, Bodey, Jonathan H., Shofer, Noah, Manna, Santanu, Jackson, Daniel M., Da Silva, Saimon Covre, Haeusler, Urs, Rastelli, Armando, Gangloff, Dorian A., Atature, Mete, Gall, Claire Le
Format Conference Proceeding
LanguageEnglish
Published OSA 01.05.2022
Subjects
Electrooptical waveguides
Lasers and electrooptics
Quantum dot lasers
Qubit
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Summary:We report on the first s pin-control e xperiments i n o ptically active GaAs/AlGaAs quantum dots. Using dynamic decoupling, we retain a quantum superposition for up to 105 µs, a hundred-fold improvement over the state-of-the-art.