Publikation: Simultaneous transient dispersive readout of multiple spin qubits
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2023
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Physical Review B. American Physical Society (APS). 2023, 108(12), 125437. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/physrevb.108.125437
Zusammenfassung
We propose a paradigm of multiplexed dispersive qubit measurement performed while the qubits dephase. A Laplace transformation of the time-dependent cavity response allows to separate contributions from multiple qubits coupled to the same resonator mode, thus allowing for simultaneous single-shot readout. With realistic parameters for silicon spin qubits we find a competitive readout fidelity, while the measurement time compares favorably to conventional dispersive readout. We extend the multiplexed readout method to quantum nondemolition measurements using auxiliary qubits.
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GINZEL, Florian, Guido BURKARD, 2023. Simultaneous transient dispersive readout of multiple spin qubits. In: Physical Review B. American Physical Society (APS). 2023, 108(12), 125437. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/physrevb.108.125437BibTex
@article{Ginzel2023Simul-69166, year={2023}, doi={10.1103/physrevb.108.125437}, title={Simultaneous transient dispersive readout of multiple spin qubits}, number={12}, volume={108}, issn={2469-9950}, journal={Physical Review B}, author={Ginzel, Florian and Burkard, Guido}, note={Article Number: 125437} }
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