Constructing quantum circuits with global gates
Sign Up to like & getrecommendations! Published in 2020 at "New Journal of Physics"
DOI: 10.1088/1367-2630/abf1b3
Abstract: There are various gate sets that can be used to describe a quantum computation. A particularly popular gate set in the literature on quantum computing consists of arbitrary single-qubit gates and two-qubit CNOT gates. A… read more here.
Keywords: gate; circuit; number; qubit gates ... See more keywords
Construction of two-qubit gates using B Gate
Sign Up to like & getrecommendations! Published in 2024 at "Physica Scripta"
DOI: 10.1088/1402-4896/ad23b6
Abstract: In the circuit model of quantum computation, an entangling two-qubit gate and a set of single-qubit gates are used as universal gate set or basis gates for doing quantum computation. CNOT and iSWAP gates, the… read more here.
Keywords: qubit; qubit gates; applications gate; construction ... See more keywords
Single-Qubit Gates with Errors at the 10^{-7} Level.
Sign Up to like & getrecommendations! Published in 2024 at "Physical review letters"
DOI: 10.1103/42w2-6ccy
Abstract: We report the achievement of single-qubit gates with sub-part-per-million error rates, in a trapped-ion ^{43}Ca^{+} hyperfine clock qubit. We explore the speed and fidelity trade-off for gate times 4.4≤t_{g}≤35 μs, and benchmark a minimum error per… read more here.
Keywords: qubit; qubit gates; single qubit; errors level ... See more keywords
Pulsed dynamical decoupling for fast and robust two-qubit gates on trapped ions
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review A"
DOI: 10.1103/physreva.97.052312
Abstract: We propose a pulsed dynamical decoupling protocol as the generator of tunable, fast, and robust quantum phase gates between two microwave-driven trapped ion hyperfine qubits. The protocol consists of sequences of $\pi$-pulses acting on ions… read more here.
Keywords: fast robust; pulsed dynamical; two qubit; dynamical decoupling ... See more keywords
Tunable Coupling Scheme for Implementing High-Fidelity Two-Qubit Gates
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.10.054062
Abstract: The prospect of computational hardware with quantum advantage relies critically on the quality of quantum gate operations. Imperfect two-qubit gates is a major bottleneck for achieving scalable quantum information processors. Here, we propose a generalizable… read more here.
Keywords: fidelity; two qubit; scheme; tunable coupling ... See more keywords
High-Fidelity Two-Qubit Gates Using a Microelectromechanical-System-Based Beam Steering System for Individual Qubit Addressing.
Sign Up to like & getrecommendations! Published in 2020 at "Physical review letters"
DOI: 10.1103/physrevlett.125.150505
Abstract: In a large scale trapped atomic ion quantum computer, high-fidelity two-qubit gates need to be extended over all qubits with individual control. We realize and characterize high-fidelity two-qubit gates in a system with up to… read more here.
Keywords: qubit gates; system; two qubit; fidelity ... See more keywords
Efficient, stabilized two-qubit gates on a trapped-ion quantum computer
Sign Up to like & getrecommendations! Published in 2021 at "Physical review letters"
DOI: 10.1103/physrevlett.126.220503
Abstract: In order to scale up quantum processors and achieve a quantum advantage, it is crucial to economize on the power requirement of two-qubit gates, make them robust to drift in experimental parameters, and shorten the… read more here.
Keywords: qubit gates; two qubit; trapped ion; qubit ... See more keywords
Robust Two-Qubit Gates for Trapped Ions Using Spin-Dependent Squeezing.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.130.030602
Abstract: Entangling gates are an essential component of quantum computers. However, generating high-fidelity gates, in a scalable manner, remains a major challenge in all quantum information processing platforms. Accordingly, improving the fidelity and robustness of these… read more here.
Keywords: dependent squeezing; spin dependent; trapped ions; two qubit ... See more keywords