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Nuclear spins show long coherence times and are well isolated from the environment, which are properties making them promising for quantum information applications. Here, we present a method for nuclear spin readout by probing the…

Mesoscale and Nanoscale Physics · Physics 2021-06-30 Jonas Mielke , Jason R. Petta , Guido Burkard

We propose a mechanism for coupling spin qubits formed in double quantum dots to a superconducting transmission line resonator. Coupling the resonator to the gate controlling the interdot tunneling creates a strong spin qubit--resonator…

Mesoscale and Nanoscale Physics · Physics 2012-05-15 Pei-Qing Jin , Michael Marthaler , Alexander Shnirman , Gerd Schön

We propose and analyze a novel mechanism for long-range spin-spin interactions in diamond nanostructures. The interactions between electronic spins, associated with nitrogen-vacancy centers in diamond, are mediated by their coupling via…

Mesoscale and Nanoscale Physics · Physics 2013-04-12 S. D. Bennett , N. Y. Yao , J. Otterbach , P. Zoller , P. Rabl , M. D. Lukin

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…

We present a general method to realize resonant coupling between spins even though their energies are of different scales. Applying the method to the electron and nuclear spin systems such as a nitrogen-vacancy (NV) center with its nearby…

Quantum Physics · Physics 2023-11-20 Sichen Xu , Chanying Xie , Zhen-Yu Wang

We study the coupling of a single nitrogen-vacancy center in diamond to a nearby single nitrogen defect at room temperature. The magnetic dipolar coupling leads to a splitting in the electron spin resonance frequency of the nitrogen-vacancy…

Quantum Physics · Physics 2007-05-23 R. Hanson , F. M. Mendoza , R. J. Epstein , D. D. Awschalom

Strong coupling exhibits unique ability to preserve quantum sates between light and matter, which is essential for the development of quantum information technology. To explore the physical mechanism behind this phenomenon, we employ the…

We present experimental observations and a study of quantum dynamics of strongly interacting electronic spins, at room temperature in the solid state. In a diamond substrate, a single nitrogen vacancy (NV) center coherently interacts with…

Quantum Physics · Physics 2018-06-20 Emma L. Rosenfeld , Linh M. Pham , Mikhail D. Lukin , Ronald L. Walsworth

The emerging field of quantum acoustics explores interactions between acoustic waves and artificial atoms and their applications in quantum information processing. In this experimental study, we demonstrate the coupling between a surface…

Quantum Physics · Physics 2016-12-28 D. Andrew Golter , Thein Oo , Mayra Amezcua , Ignas Lekavicius , Kevin A. Stewart , Hailin Wang

Quantum devices for sensing and computing applications require coherent quantum systems which can be manipulated in a fast and robust way. Such quantum control is typically achieved using external electric or magnetic fields which drive the…

Mesoscale and Nanoscale Physics · Physics 2015-12-14 Arne Barfuss , Jean Teissier , Elke Neu , Andreas Nunnenkamp , Patrick Maletinsky

We use electrical detection, in combination with microwave transmission, to investigate both resonant and non-resonant magnon-photon coupling at room temperature. Spin pumping in a dynamically coupled magnon-photon system is found to be…

Materials Science · Physics 2015-06-04 Lihui Bai , M. Harder , Y. P. Chen , X. Fan , J. Q. Xiao , C. -M. Hu

We introduce a hybrid tripartite quantum system for strong coupling between a semiconductor spin, a mechanical phonon, and a microwave photon. Consisting of a piezoelectric resonator with an integrated diamond strain concentrator, this…

We consider the full driven quantum dynamics of a qubit realized as spin of electron in a one-dimensional double quantum dot with spin-orbit coupling. The driving perturbation is taken in the form of a single half-period pulse of electric…

Mesoscale and Nanoscale Physics · Physics 2010-09-28 D. V. Khomitsky , E. Ya. Sherman

We experimentally isolate, characterize and coherently control up to six individual nuclear spins that are weakly coupled to an electron spin in diamond. Our method employs multi-pulse sequences on the electron spin that resonantly amplify…

Mesoscale and Nanoscale Physics · Physics 2012-10-23 T. H. Taminiau , J. J. T. Wagenaar , T. van der Sar , F. Jelezko , V. V. Dobrovitski , R. Hanson

We propose and analyze a new approach for quantum state transfer between remote spin qubits. Specifically, we demonstrate that coherent quantum coupling between remote qubits can be achieved via certain classes of random, unpolarized…

The search for long-lived quantum memories, which can be efficiently interfaced with flying qubits is longstanding. One possible solution is to use the electron spin of a color center in diamond to mediate interaction between a long-lived…

Mesoscale and Nanoscale Physics · Physics 2024-01-24 Marco Klotz , Richard Waltrich , Niklas Lettner , Viatcheslav Agafonov , Alexander Kubanek

A central aim of quantum information processing is the efficient entanglement of multiple stationary quantum memories via photons. Among solid-state systems, the nitrogen-vacancy (NV) centre in diamond has emerged as an excellent optically…

We propose a scheme enabling controlled quantum coherent interactions between separated nitrogen-vacancy centers in diamond in the presence of strong magnetic fluctuations. The proposed scheme couples nuclear qubits employing the magnetic…

Quantum Physics · Physics 2011-11-15 A. Bermudez , F. Jelezko , M. B. Plenio , A. Retzker

We report the coherent coupling of two electron spins at a distance via virtual microwave photons. Each spin is trapped in a silicon double quantum dot at either end of a superconducting resonator, achieving spin-photon couplings up to…

Mesoscale and Nanoscale Physics · Physics 2022-05-13 Patrick Harvey-Collard , Jurgen Dijkema , Guoji Zheng , Amir Sammak , Giordano Scappucci , Lieven M. K. Vandersypen

Strong vibrational coupling has been realized in a variety of mechanical systems from cavity optomechanics to electromechanics.$^{1, 2, 3, 4, 5}$ It is an essential requirement for enabling quantum control over the vibrational states.$^{6,…

Applied Physics · Physics 2019-06-19 Junzhong Wang , Kuai Yu , Yang Yang , Gregory V. Hartland , John E. Sader , Guo Ping Wang