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Qubits

Dr Shuxiang Cao

Long Term Visitor

Research theme

  • Quantum information and computation

Sub department

  • Condensed Matter Physics

Research groups

  • Superconducting quantum devices
shuxiang.cao@physics.ox.ac.uk
Clarendon Laboratory, room 120,030
  • About
  • Publications

Agents for self-driving laboratories applied to quantum computing

(2024)

Authors:

Shuxiang Cao, Zijian Zhang, Mohammed Alghadeer, Simone D Fasciati, Michele Piscitelli, Mustafa Bakr, Peter Leek, Alán Aspuru-Guzik
Details from ArXiV

Efficient Characterization of Qudit Logical Gates with Gate Set Tomography Using an Error-Free Virtual Z Gate Model.

Physical review letters 133:12 (2024) 120802

Authors:

Shuxiang Cao, Deep Lall, Mustafa Bakr, Giulio Campanaro, Simone D Fasciati, James Wills, Vivek Chidambaram, Boris Shteynas, Ivan Rungger, Peter J Leek

Abstract:

Gate set tomography (GST) characterizes the process matrix of quantum logic gates, along with measurement and state preparation errors in quantum processors. GST typically requires extensive data collection and significant computational resources for model estimation. We propose a more efficient GST approach for qudits, utilizing the qudit Hadamard and virtual Z gates to construct fiducials while assuming virtual Z gates are error-free. Our method reduces the computational costs of estimating characterization results, making GST more practical at scale. We experimentally demonstrate the applicability of this approach on a superconducting transmon qutrit.
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Towards Reasoning Ability of Small Language Models

ArXiv 2502.11569 (2025)

Authors:

Gaurav Srivastava, Shuxiang Cao, Xuan Wang
Details from ArXiV

Characterization of Nanostructural Imperfections in Superconducting Quantum Circuits

(2025)

Authors:

Mohammed Alghadeer, Simone D Fasciati, Shuxiang Cao, Michele Piscitelli, Susannah C Speller, Peter J Leek, Mustafa Bakr
More details from the publisher

Multiplexed Readout of Superconducting Qubits Using a 3D Re-entrant Cavity Filter

(2024)

Authors:

Mustafa Bakr, Simone D Fasciati, Shuxiang Cao, Giulio Campanaro, James Wills, Mohammed Alghadeer, Michele Piscitelli, Boris Shteynas, Vivek Chidambaram, Peter J Leek
More details from the publisher

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