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8 papers · 2 filters
Securing quantum networking tasks with multipartite Einstein-Podolsky-Rosen steering
Chien-Ying Huang, Neill Lambert, Che-Ming Li +2
Einstein-Podolsky-Rosen (EPR) steering is the explicit demonstration of the fact that the measurements of one party can in influence the quantum state held by another, distant, par…
Properties of Noncommutative Renyi and Augustin Information
Hao-Chung Cheng, Li Gao, Min-Hsiu Hsieh
Rényi and Augustin information are generalizations of mutual information defined via the Rényi divergence, playing a significant role in evaluating the performance of information p…
Duality between source coding with quantum side information and c-q channel coding
Hao-Chung Cheng, Eric P. Hanson, Nilanjana Datta +1
In this paper, we establish an interesting duality between two different quantum information-processing tasks, namely, classical source coding with quantum side information, and ch…
Spectrally entangled biphoton state of cascade emissions from a Doppler-broadened atomic ensemble
T. H. Chang, G. -D. Lin, H. H. Jen
We theoretically investigate the spectral property of biphoton state from the cascade emissions from a Doppler-broadened atomic ensemble. This biphoton state is spontaneously creat…
High-fidelity and robust two-qubit gates for quantum-dot spin qubits in silicon
Chia-Hsien Huang, C. H. Yang, Chien-Chang Chen +2
A two-qubit controlled-NOT (CNOT) gate, realized by a controlled-phase (C-phase) gate combined with single-qubit gates, has been experimentally implemented recently for quantum-dot…
Single-Nitrogen-vacancy-center quantum memory for a superconducting flux qubit mediated by a ferromagnet
Yen-Yu Lai, Guin-Dar Lin, Jason Twamley +1
We propose a quantum memory scheme to transfer and store the quantum state of a superconducting flux qubit (FQ) into the electron spin of a single nitrogen-vacancy (NV) center in d…