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 …

Error-mitigated photonic variational quantum eigensolver using a single-photon ququart

D Lee, J Lee, S Hong, HT Lim, YW Cho, SW Han… - Optica, 2022 - opg.optica.org
Variational quantum algorithms, a representative class of modern quantum algorithms,
provide practical uses of near-term quantum processors. The size of the problem that can be …

Entangling bosons through particle indistinguishability and spatial overlap

MR Barros, S Chin, T Pramanik, HT Lim, YW Cho… - Optics …, 2020 - opg.optica.org
Particle identity and entanglement are two fundamental quantum properties that work as
major resources for various quantum information tasks. However, it is still a challenging …

Dynamics of multipartite quantum steering for different types of decoherence channels

WC Li, Y **
P Rosario, AF Ducuara, CE Susa - Physics Letters A, 2022 - Elsevier
Quantum entanglement, quantum discord, and EPR-steering are properties which are
considered as valuable resources for fuelling quantum information-theoretic protocols. EPR …

Asymmetric steerability of quantum equilibrium and nonequilibrium steady states through entanglement detection

K Zhang, J Wang - Physical Review A, 2021 - APS
Einstein-Podolsky-Rosen steering describes a quantum correlation in addition to
entanglement and Bell nonlocality. However, conceptually different from entanglement and …

Locally inaccessible hidden quantum correlations

AF Ducuara, CE Susa, P Skrzypczyk - Physical Review A, 2024 - APS
We prove, modulo a conjecture on quantum steering ellipsoids being true, the existence of
the phenomenon of locally inaccessible hidden quantum correlations, that is, the existence …

Arbitrary configurable 20-channel coincidence counting unit for multi-qubit quantum experiment

BK Park, YS Kim, YW Cho, S Moon, SW Han - Electronics, 2021 - mdpi.com
This paper presents a 20-channel coincidence counting unit (CCU) using a low-end field-
programmable gate array (FPGA). The architecture of the CCU can be configured arbitrarily …

Genuine three qubit Einstein–Podolsky–Rosen steering under decoherence: revealing hidden genuine steerability via pre-processing

S Gupta - Quantum Information Processing, 2023 - Springer
The behaviour of genuine EPR steering of three qubit states under various environmental
noises is investigated. In particular, we consider the two possible steering scenarios in the …