Nonlinear circuit quantum electrodynamics based on the charge-qubit–resonator interface

Yu, Deshui; Kwek, Leong Chuan; Amico, Luigi; Dumke, Rainer

doi:10.1103/physreva.98.033833

Cited by 6 publications

(4 citation statements)

References 43 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Different superconducting setups have been proposed, including the use of disks [359], films [360], wires [361] and rings [362]. Relying on the sensitivity of the atomic spins to microwaves [363,364], coupled systems of atoms and superconducting elements have been proposed [365][366][367][368][369][370][371][372]. The fabrication of various magnetic traps for ultracold atoms on superconducting atom chips [351,[359][360][361][362][373][374][375].…”

Section: Hybrid Devicesmentioning

confidence: 99%

Perspective on new implementations of atomtronic circuits

Polo,

Chetcuti,

Domanti

et al. 2024

Quantum Sci. Technol.

Self Cite

View full text Add to dashboard Cite

In this article, we provide perspectives for atomtronics circuits on quantum technology platforms beyond simple bosonic or fermionic cold atom matter-wave currents. Specifically, we consider (i) matter-wave schemes with multi-component quantum fluids; (ii) networks of Rydberg atoms that provide a radically new concept of atomtronics circuits in which the flow, rather than in terms of matter, occurs through excitations; (iii) hybrid matterwave circuits - a combination of ultracold atomtronic circuits with other quantum platforms that can lead to circuits beyond the standard solutions and provide new schemes for integrated matter-wave networks.We also sketch how driving these systems can open new pathways for atomtronics.

show abstract

Section: Hybrid Devicesmentioning

confidence: 99%

Perspective on new implementations of atomtronic circuits

Polo,

Chetcuti,

Domanti

et al. 2024

Quantum Sci. Technol.

Self Cite

View full text Add to dashboard Cite

show abstract

“…Here, we formulate and study a Rabi-type minimal model describing qubit-qudit interaction mediated by a single mode quantum bosonic field. This type of models has emerged recently in several studies of specific systems where atoms, solid state devices (such as superconducting and quantum dot qubits) are assembled together to form hybrid quantum networks [6,[13][14][15][16][17][18][19][20]. In this context, entangling quantum systems of heterogeneous nature is sought intensively [21][22][23], as such hybrid entangled states could become useful in converting quantum information between different encodings [24].…”

Section: Introductionmentioning

confidence: 99%

GHZ-like states in the Qubit-Qudit Rabi model

et al. 2021

Self Cite

View full text Add to dashboard Cite

We study a Rabi type Hamiltonian system in which a qubit and a dd-level quantum system (qudit) are coupled through a common resonator. In the weak and strong coupling limits the spectrum is analysed through suitable perturbative schemes. The analysis show that the presence of the multilevels of the qudit effectively enhance the qubit-qudit interaction. The ground state of the strongly coupled system is found to be of Greenberger-Horne-Zeilinger (GHZ) type. Therefore, despite the qubit-qudit strong coupling, the nature of the specific tripartite entanglement of the GHZ state suppresses the bipartite entanglement. We analyze the system dynamics under quenching and adiabatic switching of the qubit-resonator and qudit-resonator couplings. In the quench case, we found that the non-adiabatic generation of photons in the resonator is enhanced by the number of levels in the qudit. The adiabatic control represents a possible route for preparation of GHZ states. Our analysis provides relevant information for future studies on coherent state transfer in qubit-qudit systems.

show abstract

“…Here, we formulate and study a Rabi-type minimal model describing qubit-qudit interaction mediated by a single mode quantum bosonic field. This type of models has emerged recently in several studies of specific systems where atoms, solid state devices (such as superconducting or quantum dot qubits) are assembled together to form hybrid quantum networks [6,[13][14][15][16][17][18][19][20]. In this context, entangling quantum systems of heterogeneous nature is sought intensively [21][22][23], as such hybrid entan-gled states could become useful in converting quantum information between different encodings [24].…”

Section: Introductionmentioning

confidence: 99%

GHZ-like states in the Qubit-Qudit Rabi Model

Shen,

Marchegiani,

Catelani

et al. 2021

Preprint

Self Cite

View full text Add to dashboard Cite

We study a Rabi type Hamiltonian system in which a qubit and a d-level quantum system (qudit) are coupled through a common resonator. In the weak and strong coupling limits the spectrum is analysed through suitable perturbative schemes. The analysis show that the presence of the multilevels of the qudit effectively enhance the qubit-qudit interaction. The ground state of the strongly coupled system is a found of Greenberger-Horne-Zeilinger (GHZ) type. Therefore, despite the qubit-qudit strong coupling, the nature of the specific tripartite entanglement of the GHZ state suppress the bipartite entanglement. We analyze the system dynamics under quenching and adiabatic switching of the qubit-resonator and qudit-resonator couplings. In the quench case, we found that the non-adiabatic generations of photons in the resonator is enhanced by the number of levels in the qudit. The adiabatic control represents a possible route for preparation of GHZ states. Our analysis provides relevant information for future studies on coherent state transfer in qubit-qudit systems.

show abstract

Nonlinear circuit quantum electrodynamics based on the charge-qubit–resonator interface

Cited by 6 publications

References 43 publications

Perspective on new implementations of atomtronic circuits

Perspective on new implementations of atomtronic circuits

GHZ-like states in the Qubit-Qudit Rabi model

GHZ-like states in the Qubit-Qudit Rabi Model

Contact Info

Product

Resources

About