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We demonstrate the coupling of rare-earth ions locally implanted in a substrate (Gd$^{3+}$ in Al$_{2}$O$_{3}$) to a superconducting NbN lumped-element micro-resonator. The hybrid device is fabricated by a controlled ion implantation of…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 I. Wisby , S. E. de Graaf , R. Gwilliam , A. Adamyan , S. Kubatkin , P. J. Meeson , A. Ya. Tzalenchuk , T. Lindström

The realization of a coherent interface between distant charge or spin qubits in semiconductor quantum dots is an open challenge for quantum information processing. Here we demonstrate both resonant and non-resonant photon-mediated coherent…

Magnetic-field gradients are important for single-site addressability and electric-dipole spin resonance of spin qubits in semiconductor devices. We show that these advantages are offset by a potential reduction in coherence time due to the…

Quantum Physics · Physics 2014-03-12 Félix Beaudoin , W. A. Coish

We observe fine structure in the resonance spectra of optical microcavities. We identify the polarization-resolved modes in the spectrum and find that resonance frequencies split in accordance with the theoretical prediction. The observed…

Optics · Physics 2022-06-15 C. Koks , F. B. Baalbergen , M. P. van Exter

The fields of cavity quantum electrodynamics and magnetism have recently merged into \textit{`cavity spintronics'}, investigating a quasiparticle that emerges from the strong coupling between standing electromagnetic waves confined in a…

"The non-contact broadband transmission line flip-chip spectroscopy technique is utilized to probe resonances of mm-sized square kinetic planar resonators made from strongly disordered molybdenum carbide films, in the GHz frequency range.…

Superconductivity · Physics 2021-03-01 M. Baránek , P. Neilinger , D. Manca , M. Grajcar

Superconducting microcircuits and metamaterials are promising candidates for use in new generation cryogenic electronics. Their functionality is largely justified by the macroscopic distribution of electromagnetic fields in arranged unit…

Superconductivity · Physics 2022-02-16 A. A. Leha , A. P. Zhuravel , A. Karpov , A. V. Lukashenko , A. V. Ustinov

Spin-torque oscillators are strong candidates as nano-scale microwave generators and detectors. However, because of large amplitude-phase coupling (non-linearity), phase noise is enhanced over other linear auto-oscillators. One way to…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 Muftah Al-Mahdawi , Yusuke Toda , Yohei Shiokawa , Masashi Sahashi

Entangling gates for electron spins in semiconductor quantum dots are generally based on exchange, a short-ranged interaction that requires wavefunction overlap. Coherent spin-photon coupling raises the prospect of using photons as…

Mesoscale and Nanoscale Physics · Physics 2020-03-04 F. Borjans , X. G. Croot , X. Mi , M. J. Gullans , J. R. Petta

The electron spin in a semiconductor quantum dot can be coherently controlled by an external electric field, an effect called electric-dipole spin resonance (EDSR). Several mechanisms can give rise to the EDSR effect, among which there is a…

Mesoscale and Nanoscale Physics · Physics 2016-04-15 Rui Li

Improved values of hyperfine coefficients related to the electronic spin-orbit and electron-nucleus spin-spin tensor interactions in the HD$^+$ molecular ion are obtained through numerical calculation of relativistic corrections at the…

Atomic Physics · Physics 2022-11-09 Mohammad Haidar , Vladimir I. Korobov , Laurent Hilico , Jean-Philippe Karr

We computed spin wave dispersions of surface-reconstructed Co films on the W(110) surface in the adiabatic approximation. The magnetic exchange interactions are obtained via first-principles electronic structure calculations using the…

Mesoscale and Nanoscale Physics · Physics 2017-04-11 Flaviano José dos Santos , Manuel dos Santos Dias , Samir Lounis

We present non-conventional electron spin resonance (ESR) experiments using microfabricated superconducting waveguides. We show that a very broad frequency range, from 0.5 to 40 GHz, becomes accessible with a high frequency accuracy of less…

Mesoscale and Nanoscale Physics · Physics 2014-01-13 C. Clauss , D. Bothner , D. Koelle , R. Kleiner , L. Bogani , M. Scheffler , M. Dressel

We investigate the spin species relevant for the spin-dependent recombination used for the electrical readout of coherent spin manipulation in phosphorus-doped silicon. Via a multi-frequency pump-probe experiment in pulsed electrically…

Materials Science · Physics 2010-02-02 Felix Hoehne , Hans Huebl , Bastian Galler , Martin Stutzmann , Martin S. Brandt

We report spin and intensity coupling of an exciton-polariton condensate to the mechanical vibrations of a circular membrane microcavity. We optically drive the microcavity resonator at the lowest mechanical resonance frequency while…

Mesoscale and Nanoscale Physics · Physics 2018-02-16 O. Be'er , H. Ohadi , Y. del Valle-Inclan Redondo , A. J. Ramsay , S. I. Tsintzos , Z. Hatzopoulos , P. G. Savvidis , J. J. Baumberg

We predict that a single-level quantum dot without discernible splitting of its spin states develops a spin-precession resonance in charge transport when embedded into a spin valve. The resonance occurs in the generic situation of Coulomb…

Mesoscale and Nanoscale Physics · Physics 2016-04-05 M. Hell , B. Sothmann , M. Leijnse , M. R. Wegewijs , J. König

We describe the design and characterization of superconducting coplanar waveguide cavities tailored to facilitate strong coupling between superconducting quantum circuits and single trapped Rydberg atoms. For initial superconductor-atom…

Superconductivity · Physics 2024-06-12 M. A. Beck , J. A. Isaacs , D. Booth , J. D. Pritchard , M. Saffman , R. McDermott

We consider the process of low-power light scattering by optical solitons in a slab waveguide with homogeneous and inhomogeneous refractive index core. We observe resonant reflection (Fano resonance) as well as resonant transmission of…

Pattern Formation and Solitons · Physics 2007-05-23 A. V. Gorbach , V. Fleurov , S. Flach , A. E. Miroshnichenko

In this work, we design, fabricate and characterize a compact, broadband and highly sensitive integrated photonic electromagnetic field sensor based on a silicon-organic hybrid modulator driven by a bowtie antenna. The large electro-optic…

Placing an ensemble of $10^6$ ultracold atoms in the near field of a superconducting coplanar waveguide resonator (CPWR) with $Q \sim 10^6$ one can achieve strong coupling between a single microwave photon in the CPWR and a collective…

Mesoscale and Nanoscale Physics · Physics 2009-07-27 J. Verdu , H. Zoubi , Ch. Koller , J. Majer , H. Ritsch , J. Schmiedmayer