Progress in quantum teleportation

XM Hu, Y Guo, BH Liu, CF Li, GC Guo - Nature Reviews Physics, 2023 - nature.com
Thirty years after it was first proposed, quantum teleportation remains one of the most
important protocols in quantum information and quantum technologies, enabling the …

Progress and perspectives on weak-value amplification

L Xu, L Zhang - Progress in Quantum Electronics, 2024 - Elsevier
Weak-value amplification (WVA) is a metrological protocol that effectively amplifies ultra-
small physical effects, making it highly applicable in the fields of quantum sensing and …

Ideal quantum teleamplification up to a selected energy cutoff using linear optics

JJ Guanzon, MS Winnel, AP Lund, TC Ralph - Physical Review Letters, 2022 - APS
We introduce a linear optical technique that can implement ideal quantum teleamplification
up to the n th Fock state, where n can be any positive integer. Here teleamplification consists …

Resource-Efficient Direct Characterization of General Density Matrix

L Xu, M Zhou, R Tao, Z Zhong, B Wang, Z Cao, H **a… - Physical Review Letters, 2024 - APS
Sequential weak measurements allow for the direct extraction of individual density-matrix
elements, rather than relying on global reconstruction of the entire density matrix, which …

Reconstructing the multiphoton spatial wave function with coincidence wave-front sensing

Y Zheng, M Yang, YW Liao, JS Xu, CF Li, GC Guo - Physical Review A, 2023 - APS
The quantum wave function of multiple particles provides additional information which is
inaccessible to detectors working alone. Here, we introduce the coincidence wave-front …

DNA as a perfect quantum computer based on the quantum physics principles

R Riera Aroche, YM Ortiz García… - Scientific Reports, 2024 - nature.com
DNA is a complex multi-resolution molecule whose theoretical study is a challenge. Its
intrinsic multiscale nature requires chemistry and quantum physics to understand the …

Direct characterization of coherence of quantum detectors by sequential measurements

L Xu, H Xu, J **e, H Li, L Zhou, F Xu… - Advanced …, 2021 - spiedigitallibrary.org
The quantum properties of quantum measurements are indispensable resources in quantum
information processing and have drawn extensive research interest. The conventional …

Experimental quantum state compression from two identical qubits to a qutrit

Q Xu, LX Zhou, TF Feng, SF Qiu, SW Li… - Science China Physics …, 2024 - Springer
In the realm of modern information technology, data compression technology occupies a
pivotal position. With advancements in quantum information technology, the need to …

Theory and experiment for resource-efficient joint weak-measurement

AC Martinez-Becerril, G Bussières, D Curic, L Giner… - Quantum, 2021 - quantum-journal.org
Incompatible observables underlie pillars of quantum physics such as contextuality and
entanglement. The Heisenberg uncertainty principle is a fundamental limitation on the …

A unified view of direct measurement of quantum states, processes, and measurements

K Ogawa, T Matsuura, A Tomita - arxiv preprint arxiv:2403.18210, 2024 - arxiv.org
The dynamics of a quantum system are characterized by three components: quantum state,
quantum process, and quantum measurement. The proper measurement of these …