Decoherence-protected GHZ states of a nuclear spin ensemble surrounding a solid-state qubit

Chun-Ju Wu; Andrei Ruskuc; Joonhee Choi; Andrei Faraon

doi:10.1364/QUANTUM.2023.QTh4B.2

Optica Quantum 2.0 Conference and Exhibition
Technical Digest Series (Optica Publishing Group, 2023),
paper QTh4B.2
•https://doi.org/10.1364/QUANTUM.2023.QTh4B.2

Decoherence-protected GHZ states of a nuclear spin ensemble surrounding a solid-state qubit

Chun-Ju Wu, Andrei Ruskuc, Joonhee Choi, and Andrei Faraon

Quantum 2.0 2023

Denver, Colorado United States
18–22 June 2023
ISBN: 978-1-957171-27-2

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Optical QIS II (QTh4B)

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C. Wu, A. Ruskuc, J. Choi, and A. Faraon, "Decoherence-protected GHZ states of a nuclear spin ensemble surrounding a solid-state qubit," in Optica Quantum 2.0 Conference and Exhibition, Technical Digest Series (Optica Publishing Group, 2023), paper QTh4B.2.

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Abstract

We prepare many-body Greenberger–Horne–Zeilinger states in a nuclear spin ensemble (⁵¹V in YVO₄) via engineered interaction with a central spin (¹⁷¹Yb). Decoherence-free subspaces, protected from correlated noise, are investigated.

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