Quantum computer based on shuttling trapped ions.
Sign Up to like & getrecommendations! Published in 2021 at "Nature"
DOI: 10.1038/d41586-021-00844-z
Abstract: ions has already proved itself to be a leading hardware platform for quantum information processing. Indeed, trapped ions have been used to realize quantum gates — the basic building blocks of a quantum computer —… read more here.
Keywords: based shuttling; quantum; quantum computer; computer based ... See more keywords
Dissipative quantum error correction and application to quantum sensing with trapped ions
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/s41467-017-01895-5
Abstract: Quantum-enhanced measurements hold the promise to improve high-precision sensing ranging from the definition of time standards to the determination of fundamental constants of nature. However, quantum sensors lose their sensitivity in the presence of noise.… read more here.
Keywords: quantum; error; error correction; trapped ions ... See more keywords
Quantum absorption refrigerator with trapped ions
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/s41467-018-08090-0
Abstract: In recent years substantial efforts have been expended in extending thermodynamics to single quantum systems. Quantum effects have emerged as a resource that can improve the performance of heat machines. However in the fully quantum… read more here.
Keywords: absorption; absorption refrigerator; thermodynamics; trapped ions ... See more keywords
Temperature estimation of a pair of trapped ions.
Sign Up to like & getrecommendations! Published in 2022 at "Scientific reports"
DOI: 10.1038/s41598-022-10572-7
Abstract: We apply estimation theory to a system formed by two interacting trapped ions. By using the Fisher matrix formalism, we introduce a simple scheme for estimation of the temperature of the longitudinal vibrational modes of… read more here.
Keywords: pair trapped; temperature; trapped ions; estimation ... See more keywords
Minimization of the micromotion of trapped ions with artificial neural networks
Sign Up to like & getrecommendations! Published in 2021 at "Applied Physics Letters"
DOI: 10.1063/5.0062508
Abstract: Minimizing the micromotion of the single trapped ion in a linear Paul trap is a tedious and timingconsuming work, but is of great importance in cooling the ion into the motional ground state as well… read more here.
Keywords: minimization micromotion; neural networks; micromotion trapped; trapped ions ... See more keywords
Robust optical clock transitions in trapped ions using dynamical decoupling
Sign Up to like & getrecommendations! Published in 2019 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ab3871
Abstract: We present a novel method for engineering an optical clock transition that is robust against external field fluctuations and is able to overcome limits resulting from field inhomogeneities. The technique is based on the application… read more here.
Keywords: clock transitions; robust optical; transitions trapped; trapped ions ... See more keywords
Theory of robust multiqubit nonadiabatic gates for trapped ions
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.101.032330
Abstract: The prevalent approach to executing quantum algorithms on quantum computers is to break-down the algorithms to a concatenation of universal gates, typically single and two-qubit gates. However such a decomposition results in long gate sequences… read more here.
Keywords: robust multiqubit; multiqubit nonadiabatic; gates trapped; theory robust ... See more keywords
Universal hybrid quantum computing in trapped ions
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.104.032609
Abstract: Using discrete and continuous variable subsystems, hybrid approaches to quantum information could enable more quantum computational power for the same physical resources. Here, we propose a hybrid scheme that can be used to generate the… read more here.
Keywords: quantum computing; universal hybrid; computing trapped; trapped ions ... See more keywords
Hybrid Microwave-Radiation Patterns for High-Fidelity Quantum Gates with Trapped Ions
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.13.024068
Abstract: We present a method that combines continuous and pulsed microwave radiation patterns to achieve robust interactions among hyperfine trapped ions placed in a magnetic field gradient. More specifically, our scheme displays continuous microwave drivings with… read more here.
Keywords: high fidelity; microwave radiation; trapped ions; radiation patterns ... See more keywords
Trapped Ions in Rydberg-Dressed Atomic Gases.
Sign Up to like & getrecommendations! Published in 2017 at "Physical review letters"
DOI: 10.1103/physrevlett.118.263201
Abstract: We theoretically study trapped ions that are immersed in an ultracold gas of Rydberg-dressed atoms. By off-resonant coupling on a dipole-forbidden transition, the adiabatic atom-ion potential can be made repulsive. We study the energy exchange… read more here.
Keywords: dressed atomic; ions rydberg; trapped ions; ion ... 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