Generating entangled states from coherent states in circuit QED

S Qi, J Jing - Physical Review A, 2023 - APS
Entangled states are self-evidently important to a wide range of applications in quantum
communication and quantum information processing. We propose an efficient and …

Heralded generation of maximal entanglement in any dimension via incoherent coupling to thermal baths

A Tavakoli, G Haack, M Huber, N Brunner… - Quantum, 2018 - quantum-journal.org
We present a scheme for dissipatively generating maximal entanglement in a heralded
manner. Our setup requires incoherent interactions with two thermal baths at different …

Floquet generation of a magnonic NOON state

S Qi, J Jing - Physical Review A, 2023 - APS
We propose a concise and deterministic protocol to generate NOON states in a hybrid
system consisting of a superconducting qubit, a circuit resonator mode, and two magnonic …

One-step implementation of a multi-target-qubit controlled phase gate with cat-state qubits in circuit QED

YJ Fan, ZF Zheng, Y Zhang, DM Lu, CP Yang - Frontiers of Physics, 2019 - Springer
We propose a single-step implementation of a muti-target-qubit controlled phase gate with
one catstate qubit (cqubit) simultaneously controlling n–1 target cqubits. The two logic states …

Deterministic generation of Greenberger–Horne–Zeilinger entangled states of cat-state qubits in circuit QED

CP Yang, ZF Zheng - Optics Letters, 2018 - opg.optica.org
We present an efficient method to generate a Greenberger–Horne–Zeilinger (GHZ)
entangled state of three cat-state qubits via circuit QED. The GHZ state is prepared with …

Quantum metrology with superposition spin coherent states: Insights from Fisher information

Y Maleki, MO Scully, AM Zheltikov - Physical Review A, 2021 - APS
We present a closed-form analytical description for the metrological performance of a
generic superposition of spin coherent states (SSCS) used as probes for quantum phase …

Circuit QED: single-step realization of a multiqubit controlled phase gate with one microwave photonic qubit simultaneously controlling n− 1 microwave photonic …

B Ye, ZF Zheng, Y Zhang, CP Yang - Optics Express, 2018 - opg.optica.org
We present a novel method to realize a multi-target-qubit controlled phase gate with one
microwave photonic qubit simultaneously controlling n− 1 target microwave photonic qubits …

Generating NOON states in circuit QED using a multiphoton resonance in the presence of counter-rotating interactions

S Qi, J Jing - Physical Review A, 2020 - APS
The NOON states are valuable quantum resources, which have a wide range of applications
in quantum communication, quantum metrology, and quantum information processing. Here …

A high-N00N output of harmonically driven cavity QED

Y Maleki, AM Zheltikov - Scientific Reports, 2019 - nature.com
A harmonically driven cavity QED system consisting of two cavities and a two-level qubit is
shown to enable the generation of a vast class of maximally entangled states suitable for …

Adiabatic preparation of multipartite GHZ states via Rydberg ground-state blockade

DX Li, TY Zheng, XQ Shao - Optics Express, 2019 - opg.optica.org
The multipartite GHZ states are useful resources for quantum information processing. Here
we put forward a scalable way to adiabatically prepare the multipartite GHZ states in a chain …