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Related papers: Nanomagnonic cavities for strong spin-magnon coupl…

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Focusing electromagnetic field to enhance the interaction with matter has been promoting researches and applications of nano electronics and photonics. Usually, the evanescent-wave coupling is adopted in various nano structures and…

Microwave-frequency superconducting resonators are ideally suited to perform dispersive qubit readout, to mediate two-qubit gates, and to shuttle states between distant quantum systems. A prerequisite for these applications is a strong…

Mesoscale and Nanoscale Physics · Physics 2016-10-18 Félix Beaudoin , Dany Lachance-Quirion , W. A. Coish , Michel Pioro-Ladrière

We show how to create quantum squeezed states of magnons and phonons in a cavity magnomechanical system. The magnons are embodied by a collective motion of a large number of spins in a macroscopic ferrimagnet, and couple to cavity microwave…

Quantum Physics · Physics 2019-02-27 Jie Li , Shi-Yao Zhu , G. S. Agarwal

We study electron-spin-photon coupling in a single-spin double quantum dot embedded in a superconducting stripline cavity. With an external magnetic field, we show that either a spin-orbit interaction (for InAs) or an inhomogeneous magnetic…

Mesoscale and Nanoscale Physics · Physics 2012-09-05 Xuedong Hu , Yu-xi Liu , Franco Nori

A high-amplitude microwave magnetic field localized at the nanoscale is a desirable tool for various applications within the rapidly developing field of nanomagnetism. Here, we drive magnetization precession by coherent phonons in a metal…

Squeezed light finds many important applications in quantum information science and quantum metrology, and has been produced in a variety of physical systems involving optical nonlinear processes. Here, we show how a nonlinear…

Quantum Physics · Physics 2023-06-01 Jie Li , Yi-Pu Wang , J. Q. You , Shi-Yao Zhu

Cavity magnonics, which studies the interaction of light with magnetic systems in a cavity, is a promising platform for quantum transducers and quantum memories. At microwave frequencies, the coupling between a cavity photon and a magnon,…

We show that confined Majorana fermions can exist in nanowires with proximity induced s-wave superconducting pairing if the direction of an external magnetic field rotates along the wire. The system is equivalent to nanowires with…

Mesoscale and Nanoscale Physics · Physics 2014-07-18 Morten Kjaergaard , Konrad Wölms , Karsten Flensberg

The study of moir\'e superlattices has revealed intriguing phenomena in electronic systems, including unconventional superconductivity and ferromagnetism observed in magic-angle bilayer graphene. This approach has recently been adapted to…

Mesoscale and Nanoscale Physics · Physics 2024-10-10 Jilei Chen , Marco Madami , Gianluca Gubbiotti , Haiming Yu

Cavity-mediated magnon-magnon coupling can lead to a transfer of spin-wave excitations between two spatially separated magnetic samples. We enunciate how the application of a two-photon parametric drive to the cavity can lead to stark…

Quantum Physics · Physics 2022-12-14 Debsuvra Mukhopadhyay , Jayakrishnan M. P. Nair , G. S. Agarwal

On-chip cavity magnomechanics is an emerging field exploring acoustic and magnonic functionalities of various ferromagnetic materials and structures using strongly confined phonons. It is expected that such cavity magnomechanics can be…

Mesoscale and Nanoscale Physics · Physics 2023-10-25 Motoki Asano , Hiroki Matsumoto , Masamitsu Hayashi , Daiki Hatanaka

Electron spins in solids are promising candidates for quantum memories for superconducting qubits because they can have long coherence times, large collective couplings, and many quantum bits can be encoded into the spin-waves of a single…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 D. I. Schuster , A. P. Sears , E. Ginossar , L. DiCarlo , L. Frunzio , J. J. L. Morton , H. Wu , G. A. D. Briggs , R. J. Schoelkopf

We study dissipative spin-spin coupling in dispersive regime mediated by virtual photons in a microwave cavity. Dissipative coupling between magnetization of each magnetic material and the cavity photons is established by means of two phase…

Mesoscale and Nanoscale Physics · Physics 2019-07-17 Vahram L. Grigoryan , Ke Xia

Microwave-optics entanglement is a vital component for building hybrid quantum networks. Here, a new mechanism for preparing stationary entanglement between microwave and optical cavity fields in a cavity optomagnomechanical system is…

Quantum Physics · Physics 2024-01-31 Zhi-Yuan Fan , Liu Qiu , Simon Gröblacher , Jie Li

The possibility to generate short spin waves is of great interest in the field of magnonics nowadays. We present an effective and technically affordable way of conversion of long spin waves, which may be generated by conventional microwave…

Mesoscale and Nanoscale Physics · Physics 2018-05-23 Piotr Graczyk , Mateusz Zelent , Maciej Krawczyk

Acoustically driven spin-wave resonance in a phononic crystal cavity is numerically investigated. The designed cavity enables confinement of gigahertz vibrations in a wavelength-scale point-defect structure and sustains a variety of…

Mesoscale and Nanoscale Physics · Physics 2021-08-05 D. Hatanaka , H. Yamaguchi

Tailoring spin coupling to electric fields is central to spintronics and spin-based quantum information processing. We present an optimal micromagnet design that produces appropriate stray magnetic fields to mediate fast electrical spin…

We investigate the magnon-photon couplings by employing a small magnet within an irregular resonant cavity, which leads to a desirable nonreciprocity with a big isolation ratio. Moreover, the higher-order couplings between the spin wave…

Applied Physics · Physics 2021-06-02 Chi Zhang , Chenglong Jia , Yongzhang Shi , Changjun Jiang , Desheng Xue , C. K. Ong , Guozhi Chai

Cavity magnonics is a promising field focusing the interaction between spin waves (magnons) and other types of signals. In cavity magnonics, the function of isolating magnons from the cavity to allow signal storage and processing fully in…

Mesoscale and Nanoscale Physics · Physics 2024-12-23 Amin Pishehvar , Zhaoyou Wang , Yujie Zhu , Yu Jiang , Zixin Yan , Fangxin Li , Josep M. Jornet , Jia-Mian Hu , Liang Jiang , Xufeng Zhang

Magnetic domain walls (DWs) are topological defects that exhibit robust low-energy modes that can be harnessed for classical and neuromorphic computing. However, the quantum nature of these modes has been elusive thus far. Using the…

Mesoscale and Nanoscale Physics · Physics 2024-01-09 Mircea Trif , Yaroslav Tserkovnyak