Nanometric constrictions in superconducting coplanar waveguide resonators
arXiv:1409.1040 · doi:10.1063/1.4899141
Abstract
We report on the design, fabrication and characterization of superconducting coplanar waveguide resonators with nanoscopic constrictions. By reducing the size of the center line down to 50 nm, the radio frequency currents are concentrated and the magnetic field in its vicinity is increased. The device characteristics are only slightly modified by the constrictions, with changes in resonance frequency lower than 1% and internal quality factors of the same order of magnitude as the original ones. These devices could enable the achievement of higher couplings to small magnetic samples or even to single molecular spins and have applications in circuit quantum electrodynamics, quantum computing and electron paramagnetic resonance.
4 pages, 4 figures
References in corpus (8)
- Coupling Superconducting Qubits via a Cavity Bus
- Beyond the Jaynes-Cummings model: circuit QED in the ultrastrong coupling regime
- Strong Coupling of a Spin Ensemble to a Superconducting Resonator
- Circuit Quantum Electrodynamics with a Spin Qubit
- Coplanar Waveguide Resonators for Circuit Quantum Electrodynamics
- Coupling single molecule magnets to quantum circuits
- Magnetic strong coupling in a spin-photon system and transition to classical regime
- Circuit-quantum electrodynamics with direct magnetic coupling to single-atom spin qubits in isotopically enriched 28Si
Cited by in corpus (14)
- Three addressable spin qubits in a molecular single-ion magnet
- A scalable architecture for quantum computation with molecular nanomagnets
- A perspective on scaling up quantum computation with molecular spins
- Enhanced molecular spin-photon coupling at superconducting nanoconstrictions
- Tunable Nb superconducting resonators based upon a Ne-FIB-fabricated constriction nanoSQUID
- Enhancing the spin-photon coupling with a micromagnet
- Low-Loss Superconducting Nanowire Circuits Using a Neon Focused Ion Beam
- Spin squeezing by one-photon-two-atom excitations processes in atomic ensembles
- Strong coupling of a single photon to a magnetic vortex
- Dispersive readout of molecular spin qudits
- Quantum Error Correction with magnetic molecules
- Multi-qudit interactions in molecular spins
- Scalable multiphoton generation from cavity-synchronized single-photon sources
- Nonlinear quantum processes in superconducting resonators terminated by neon-focused-ion-beam-fabricated superconducting nanowires