no code implementations • 11 Mar 2021 • Ying Zuo, Chenfeng Cao, Ningping Cao, Xuanying Lai, Bei Zeng, Shengwang Du
Given that optical setups are highly desired for future quantum networks, our all-optical setup of integrated AONN-QST may shed light on replenishing the all-optical quantum network with the last brick.
Quantum State Tomography Quantum Physics
1 code implementation • 15 Dec 2020 • Chenfeng Cao, Xin Wang
Based on this understanding, we present a noise-assisted quantum autoencoder algorithm to go beyond the limitations, our model can achieve high recovering fidelity for general input states.
Quantum Physics
no code implementations • 13 Oct 2020 • Wei-Jia Huang, Wei-Chen Chien, Chien-Hung Cho, Che-Chun Huang, Tsung-Wei Huang, Seng Ghee Tan, Chenfeng Cao, Bei Zeng, Ching-Ray Chang
The phase trajectory of an entangled evolution, and the impact of the sudden death of GHZ-like states and the revival of newly excited states are analyzed in details.
Quantum Physics
no code implementations • 22 Aug 2020 • Jinfeng Zeng, Chenfeng Cao, Chao Zhang, Pengxiang Xu, Bei Zeng
To obtain the full spectrum of the Hamiltonian, we use a quantum imaginary time evolution algorithm with high temperature, which prepares a thermal state with a small correlation length.
Quantum Physics
no code implementations • 5 Sep 2019 • Shi-Yao Hou, Chenfeng Cao, D. L. Zhou, Bei Zeng
Quantifying entanglement for multipartite quantum state is a crucial task in many aspects of quantum information theory.
Quantum Physics