Topological Phase Transition and Topological Quantum State Transfer in Periodically Modulated Circuit‐QED Lattice
Sign Up to like & getrecommendations! Published in 2021 at "Annalen der Physik"
DOI: 10.1002/andp.202100120
Abstract: The topological properties of a circuit‐QED lattice are studied and it is found that the system undergoes a topological phase transition accompanied by the changes of Chern numbers from 2 to −1. For different lattice… read more here.
Keywords: lattice; topological phase; quantum; state ... See more keywords
Characterization of low loss microstrip resonators as a building block for circuit QED in a 3D waveguide
Sign Up to like & getrecommendations! Published in 2017 at "AIP Advances"
DOI: 10.1063/1.4992070
Abstract: Here we present the microwave characterization of microstrip resonators, made from aluminum and niobium, inside a 3D microwave waveguide. In the low temperature, low power limit internal quality factors of up to one million were… read more here.
Keywords: circuit qed; characterization; microstrip resonators; building block ... See more keywords
Protocol of a quantum walk in circuit QED
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.100.012343
Abstract: Implementation of discrete-time quantum walk (DTQW) with superconducting qubits is difficult since on-chip superconducting qubits cannot hop between lattice sites. We propose an efficient protocol for the implementation of DTQW in circuit quantum electrodynamics (QED),… read more here.
Keywords: dtqw; circuit qed; quantum walk; protocol ... See more keywords
Ultrastrong-coupling circuit QED in the radio-frequency regime
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.100.043815
Abstract: We study a circuit QED setup where multiple superconducting qubits are ultrastrongly coupled to a single radio-frequency resonator. In this extreme parameter regime of cavity QED the dynamics of the electromagnetic mode is very slow… read more here.
Keywords: circuit qed; circuit; radio frequency; regime ... See more keywords
Generating entangled states from coherent states in circuit QED
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.107.042412
Abstract: Entangled states are self-evidently important to a wide range of applications in quantum communication and quantum information processing. We propose an efficient and convenient two-step protocol for generating Bell states and NOON states of two… read more here.
Keywords: entangled states; circuit qed; states coherent; coherent states ... See more keywords
Generating double NOON states of photons in circuit QED
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.022339
Abstract: To generate a NOON state with a large photon number $N$, the number of operational steps could be large and the fidelity will decrease rapidly with $N$. Here we propose a method to generate a… read more here.
Keywords: state; double noon; circuit qed; noon ... See more keywords
PT -symmetric circuit QED
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DOI: 10.1103/physreva.97.053846
Abstract: A parity-time (PT)-symmetric system emerging from a quantum dynamics is highly desirable in order to understand the possible implications of PT symmetry in the next generation of quantum technologies. In this work, we address this… read more here.
Keywords: symmetric circuit; circuit; circuit qed; system ... See more keywords
Two-photon driven Kerr resonator for quantum annealing with three-dimensional circuit QED
Sign Up to like & getrecommendations! Published in 2017 at "Physical review applied"
DOI: 10.1103/physrevapplied.10.024019
Abstract: We propose a realizable circuit QED architecture for engineering states of a superconducting resonator off-resonantly coupled to an ancillary superconducting qubit. The qubit-resonator dispersive interaction together with a microwave drive applied to the qubit gives… read more here.
Keywords: two photon; circuit qed; resonator; kerr resonator ... See more keywords