Quantum logic and entanglement by neutral Rydberg atoms: methods and fidelity

XF Shi - Quantum Science and Technology, 2022 - iopscience.iop.org
Quantum gates and entanglement based on dipole–dipole interactions of neutral Rydberg
atoms are relevant to both fundamental physics and quantum information science. The …

Experimental estimation of quantum state properties from classical shadows

GI Struchalin, YA Zagorovskii, EV Kovlakov… - PRX Quantum, 2021 - APS
Full quantum tomography of high-dimensional quantum systems is experimentally infeasible
due to the exponential scaling of the number of required measurements on the number of …

Optimal teleportation via noisy quantum channels without additional qubit resources

DG Im, CH Lee, Y Kim, H Nha, MS Kim, SW Lee… - npj Quantum …, 2021 - nature.com
Quantum teleportation exemplifies how the transmission of quantum information starkly
differs from that of classical information and serves as a key protocol for quantum …

Fermionic reduced density low-rank matrix completion, noise filtering, and measurement reduction in quantum simulations

L Peng, X Zhang, GKL Chan - Journal of Chemical Theory and …, 2023 - ACS Publications
Fermionic reduced density matrices summarize the key observables in Fermionic systems.
In electronic systems, the two-particle reduced density matrix (2-RDM) is sufficient to …

Implementing efficient selective quantum process tomography of superconducting quantum gates on IBM quantum experience

A Gaikwad, K Shende, Arvind, K Dorai - Scientific reports, 2022 - nature.com
The experimental implementation of selective quantum process tomography (SQPT)
involves computing individual elements of the process matrix with the help of a special set of …

Relative-belief inference in quantum information theory

YS Teo, SU Shringarpure, H Jeong, N Prasannan… - Physical Review A, 2024 - APS
We introduce the framework of Bayesian relative belief that directly evaluates whether or not
the experimental data at hand support a given hypothesis regarding a quantum system by …

Evidence-based certification of quantum dimensions

YS Teo, SU Shringarpure, H Jeong, N Prasannan… - Physical review …, 2024 - APS
Identifying a reasonably small Hilbert space that completely describes an unknown quantum
state is crucial for efficient quantum information processing. We introduce a general …

Benchmarking quantum tomography completeness and fidelity with machine learning

YS Teo, S Shin, H Jeong, Y Kim, YH Kim… - New Journal of …, 2021 - iopscience.iop.org
We train convolutional neural networks to predict whether or not a set of measurements is
informationally complete to uniquely reconstruct any given quantum state with no prior …

Universal compressive tomography in the time-frequency domain

J Gil-Lopez, YS Teo, S De, B Brecht, H Jeong… - Optica, 2021 - opg.optica.org
Quantum state tomography is a basic tool in quantum information, but it becomes a
challenging task that requires an immense number of measurement configurations as the …

Sample-size-reduction of quantum states for the noisy linear problem

K Jeong - Annals of Physics, 2023 - Elsevier
Quantum supremacy poses that a realistic quantum computer can perform a calculation that
classical computers cannot in any reasonable amount of time. It has become a topic of …