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18 papers · 2 filters
Generation and stabilization of a three-qubit entangled W state in circuit QED via quantum feedback control
Shang-Yu Huang, Hsi-Sheng Goan, Xin-Qi Li +1
Circuit cavity quantum electrodynamics (QED) is proving to be a powerful platform to implement quantum feedback control schemes due to the ability to control superconducting qubits…
Compact quantum gates on electron-spin qubits assisted by diamond nitrogen-vacancy centers inside cavities
Hai-Rui Wei, Fu-Guo Deng
Constructing compact quantum circuits for universal quantum gates on solid-state systems is crucial for quantum computing. We present some compact quantum circuits for a determinis…
Hyperentanglement purification and concentration assisted by diamond NV centers inside photonic crystal cavities
Bao-Cang Ren, Fu-Guo Deng
Hyperentanglement has attracted much attention for its fascinating applications in quantum communication. However, it is impossible to purify a pair of photon systems in a mixed hy…
Enhanced correlation of electron-positron pair in the two and three dimensions
Suo Tang, Bai-Song Xie, Hong-Yu Wang +3
Early-time electron-positron correlation in vacuum pair-production in an external field is investigated. The entangled electron and positron wave functions are obtained analyticall…
Selective-Resonance-Based Quantum Entangling Operation on Qubits in Circuit QED
Ming Hua, Fu-Guo Deng
We present a fast quantum entangling operation on superconducting qubits assisted by a resonator in the quasi-dispersive regime with a new effect --- the selective resonance coming…
Hyper-parallel photonic quantum computation with coupled quantum dots
Bao-Cang Ren, Fu-Guo Deng
It is well known that a parallel quantum computer is more powerful than a classical one. So far, there are some important works about the construction of universal quantum logic ga…