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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

We study theoretically the piezoelectric interaction of a surface acoustic wave (SAW) with a two-dimensional electron gas confined to an isolated quantum dot. The electron motion in the dot is diffusive. The electron-electron interaction is…

Condensed Matter · Physics 2008-02-03 Andreas Knaebchen , Yehoshua Levinson , Ora Entin-Wohlman

We introduce a new quantum embedding method to explore spin-phonon interactions in molecular magnets. This technique consolidates various spin/phonon couplings into a limited number of collective degrees of freedom, allowing for a fully…

Quantum Physics · Physics 2024-07-11 Nosheen Younas , Yu Zhang , Andrei Piryatinski , Eric R Bittner

Surface acoustic waves in two-dimensional phononic crystals consisting of a square array of shallow, two to three micron deep cylindrical void inclusions are studied computationally via the finite element method. For the [110] propagation…

Applied Physics · Physics 2019-07-24 Edward Muzar , James A. H. Stotz

Surface acoustic waves are commonly used in classical electronics applications, and their use in quantum systems is beginning to be explored, as evidenced by recent experiments using acoustic Fabry-P\'erot resonators. Here we explore their…

We study rotating squeezed quantum states created by a parametric resonance in an open harmonic system. As a specific realization of the phenomenon we study a mesoscopic SQUID loop where the state preparation procedure is simple in…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 T. Ojanen , J. Salo

Surface acoustic waves (SAWs) can create moving quantum dots in piezoelectric materials. Here we show how electron-spin qubits located on dynamic quantum dots can be entangled. Previous theoretical and numerical models of quantum-dot…

The propagation of a surface acoustic wave (SAW) on GaAs/AlGaAs heterostructures is studied in the case where the two-dimensional electron gas (2DEG) is subject to a strong magnetic field and a smooth random potential with correlation…

Mesoscale and Nanoscale Physics · Physics 2009-10-28 Andreas Knaebchen , Yehoshua Levinson , Ora Entin-Wohlman

Integrated optomechanical cavities stand as a promising means to interface mechanical motion and guided optical modes. State-of-the-art demonstrations rely on optical and mechanical modes tightly confined of in micron-scale areas to achieve…

We demonstrate using micromagnetic simulations that a nanomagnet array excited by Surface Acoustic Waves (SAWs) can work as a reservoir that can classify sine and square waves with high accuracy. To evaluate memory effect and computing…

Entangled multi-spatial-mode fields have interesting applications in quantum information, such as parallel quantum information protocols, quantum computing, and quantum imaging. We study the use of a nondegenerate four-wave mixing process…

Quantum Physics · Physics 2009-11-13 Raphael C Pooser , Vincent Boyer , Alberto M. Marino , Paul D. Lett

Magnon-phonon coupling has garnered increasing interest in condensed matter physics due to its fertile physics and potential applications in devices with novel functionalities. Surface acoustic waves (SAWs) are commonly employed as a source…

Materials Science · Physics 2025-04-18 Takuya Kawada , Masashi Kawaguchi , Hiroki Matsumoto , Masamitsu Hayashi

In Ni80Fe20/Au/Co/Au deposited on silicon substrate the interaction between spin waves and surface acoustic waves is observed by Brillion light scattering spectroscopy. We show that by changing the number of receptions in the multilayer we…

Materials Science · Physics 2024-03-27 M. Zdunek , A. Trzaskowska , J. W. Kłos , N. K. P. Babu , S. Mielcarek

We investigate the single photon scattering in a phonon-photon hybrid system in the waveguide QED scheme. In our consideration, an artificial giant atom, which is dressed by the phonons in a surface acoustic wave resonator, interacts with a…

Quantum Physics · Physics 2023-07-19 Xinyu Li , Wei Zhao , Zhihai Wang

We experimentally study the optical emission of a thin quantum well and its dynamic modulation by a surface acoustic wave (SAW). We observe a characteristic transition of the modulation from one maximum to two maxima per SAW cycle as the…

Surface acoustic waves (SAWs), with their five orders-of-magnitude slower propagation velocity, allow for considerably shorter wavelengths at the same frequency compared to electromagnetic waves. The short wavelengths allow for device…

We theoretically demonstrate the coupling between excitons in 2D semiconductors and surface plasmons in a thin metal film by means of a surface acoustic wave (SAW), proving that the generated exciton-plasmon polaritons (or plexcitons) are…

Mesoscale and Nanoscale Physics · Physics 2021-07-30 Rajveer Fandan , Jorge Pedrós , Fernando Calle

We present a hybrid microwave SQUID multiplexer that combines two frequency-division multiplexing techniques to allow multiplexing a given number of cryogenic detectors with only a fraction of frequency encoding resonators. Similar to…

Instrumentation and Detectors · Physics 2022-05-04 Constantin Schuster , Mathias Wegner , Christian Enss , Sebastian Kempf

In the emerging field of quantum computation and quantum information, superconducting devices are promising candidates for the implementation of solid-state quantum bits or qubits. Single-qubit operations, direct coupling between two…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 I. Chiorescu , P. Bertet , K. Semba , Y. Nakamura , C. J. P. M. Harmans , J. E. Mooij

Coupling an isolated emitter to a single mode of the electromagnetic field is now routinely achieved and well understood. Current efforts aim to explore the coherent dynamics of emitters coupled to several electromagnetic modes (EM).…