The evolution of quantum secure direct communication: on the road to the qinternet
Communication security has to evolve to a higher plane in the face of the threat from the
massive computing power of the emerging quantum computers. Quantum secure direct …
massive computing power of the emerging quantum computers. Quantum secure direct …
Free-space quantum secure direct communication: Basics, progress, and outlook
Quantum secure direct communication (QSDC) leverages quantum states to transmit
information securely and reliably over a noisy, lossy, and wiretapped quantum channel. It …
information securely and reliably over a noisy, lossy, and wiretapped quantum channel. It …
A 15-user quantum secure direct communication network
Z Qi, Y Li, Y Huang, J Feng, Y Zheng… - Light: Science & …, 2021 - nature.com
Quantum secure direct communication (QSDC) based on entanglement can directly transmit
confidential information. However, the inability to simultaneously distinguish the four sets of …
confidential information. However, the inability to simultaneously distinguish the four sets of …
Quantum secure direct communication with hybrid entanglement
Quantum secure direct communication (QSDC) can transmit secret messages without keys,
making it an important branch of quantum communication. We present a hybrid …
making it an important branch of quantum communication. We present a hybrid …
Measurement-based entanglement purification for entangled coherent states
PS Yan, L Zhou, W Zhong, YB Sheng - Frontiers of Physics, 2022 - Springer
The entangled coherent states (ECSs) have been widely used to realize quantum
information processing tasks. However, the ECSs may suffer from photon loss and …
information processing tasks. However, the ECSs may suffer from photon loss and …
Error-detected three-photon hyperparallel Toffoli gate with state-selective reflection
YM Wu, G Fan, FF Du - Frontiers of Physics, 2022 - Springer
We present an error-detected hyperparallel Toffoli (hyper-Toffoli) gate for a three-photon
system based on the interface between polarized photon and cavity-nitrogen-vacancy (NV) …
system based on the interface between polarized photon and cavity-nitrogen-vacancy (NV) …
Quantum second-order optimization algorithm for general polynomials
Quantum optimization algorithms can outperform their classical counterpart and are key in
modern technology. The second-order optimization algorithm (the Newton algorithm) is a …
modern technology. The second-order optimization algorithm (the Newton algorithm) is a …
Efficient quantum simulation of open quantum dynamics at various Hamiltonians and spectral densities
NN Zhang, MJ Tao, WT He, XY Chen, XY Kong… - Frontiers of …, 2021 - Springer
Simulation of open quantum dynamics for various Hamiltonians and spectral densities are
ubiquitous for studying various quantum systems. On a quantum computer, only log 2 N …
ubiquitous for studying various quantum systems. On a quantum computer, only log 2 N …
One-sided measurement-device-independent practical quantum secure direct communication
Measurement-device-independent quantum secure direct communication (MDI-QSDC)
protocol is capable of defending against attacks on detectors by illegal parties, and its …
protocol is capable of defending against attacks on detectors by illegal parties, and its …
A quantum secure direct communication scheme based on intermediate-basis
K Liang, Z Cao, X Chen, L Wang, G Chai, J Peng - Frontiers of Physics, 2023 - Springer
Quantum secure direct communication (QSDC) is a method of communication that transmits
secret information directly through a quantum channel. This paper proposes a two-step …
secret information directly through a quantum channel. This paper proposes a two-step …