Quark
Quark
Home
News
Publications
Posts
Light
Dark
Automatic
2
Dense Coding with Locality Restriction on Decoders: Quantum Encoders versus Superquantum Encoders
We investigate practical dense coding by imposing locality restrictions on decoders and symmetry restrictions on encoders within the …
Masahito Hayashi
,
Kun WANG
PDF
Cite
Video
Source Document
DOI
Experimental optimal verification of three-dimensional entanglement on a silicon chip
High-dimensional entanglement is significant for the fundamental studies of quantum physics and offers unique advantages in various …
Lijun Xia
,
Liangliang Lu
,
Kun WANG
,
Xinhe Jiang
,
Shining Zhu
,
Xiaosong Ma
PDF
Cite
Source Document
DOI
Detecting and Eliminating Quantum Noise of Quantum Measurements
In this work, we propose a two-stage procedure to systematically address quantum noise inherent in quantum measurements. The idea …
Shuanghong Tang
,
Congcong Zheng
,
Kun WANG
PDF
Cite
Detecting and quantifying entanglement on near-term quantum devices
Quantum entanglement is a key resource in quantum technology, and its quantification is a vital task in the current noisy …
Kun WANG
,
Zhixin Song
,
Xuanqiang Zhao
,
Zihe Wang
,
Xin Wang
PDF
Cite
Source Document
DOI
Physical Implementability of Linear Maps and Its Application in Error Mitigation
Completely positive and trace-preserving maps characterize physically implementable quantum operations. On the other hand, general …
Jiaqing Jiang
,
Kun WANG
,
Xin Wang
PDF
Cite
Source Document
DOI
Mitigating Quantum Errors via Truncated Neumann Series
Quantum gates and measurements on quantum hardware are inevitably subject to hardware imperfections that lead to quantum errors. …
Kun WANG
,
Yu-Ao Chen
,
Xin Wang
PDF
Cite
Source Document
DOI
Measurement Error Mitigation via Truncated Neumann Series
Measurements on near-term quantum processors are inevitably subject to hardware imperfections that lead to readout errors. Mitigation …
Kun WANG
,
Yu-Ao Chen
,
Xin Wang
PDF
Cite
Video
Source Document
DOI
Finite Block Length Analysis on Quantum Coherence Distillation and Incoherent Randomness Extraction
We give the first systematic study on the second order asymptotics of the operational task of coherence distillation with and without …
Masahito Hayashi
,
Kun Fang
,
Kun WANG
PDF
Cite
Source Document
DOI
Permutation Enhances Classical Communication Assisted by Entangled States
We study classical communication over a noisy quantum channel when bipartite states are preshared between the sender and the receiver, …
Kun WANG
,
Masahito Hayashi
PDF
Cite
Video
Source Document
DOI
Towards the standardization of quantum state verification using optimal strategies
Quantum devices for generating entangled states have been extensively studied and widely used. As so, it becomes necessary to verify …
Xinhe Jiang
,
Kun WANG
,
Kaiyi Qian
,
Zhaozhong Chen
,
Zhiyu Chen
,
Liangliang Lu
,
Lijun Xia
,
Fangmin Song
,
Shining Zhu
,
Xiaosong Ma
PDF
Cite
Source Document
DOI
»
Cite
×