Coherent control of a classical nanomechanical two-level system
Thomas Faust,Johannes Rieger,Maximilian J. Seitner,Maximilian J. Seitner,Jörg P. Kotthaus,Eva M. Weig,Eva M. Weig +6 more
TLDR
In this paper, the authors demonstrated coherent control of two flexural modes of a nanoscale oscillator using radiofrequency signals, analogous to quantum two-level systems such as superconducting circuits and quantum dots, and therefore raised the possibility of information processing using nanomechanical resonators.Abstract:
Coherent control of two flexural modes of a nanoscale oscillator using radiofrequency signals is now demonstrated. This oscillator is analogous to quantum two-level systems such as superconducting circuits and quantum dots, and therefore this technique raises the possibility of information processing using nanomechanical resonators.read more
Citations
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Quantum sensing
Abstract: "Quantum sensing" describes the use of a quantum system, quantum properties or quantum phenomena to perform a measurement of a physical quantity Historical examples of quantum sensors include magnetometers based on superconducting quantum interference devices and atomic vapors, or atomic clocks More recently, quantum sensing has become a distinct and rapidly growing branch of research within the area of quantum science and technology, with the most common platforms being spin qubits, trapped ions and flux qubits The field is expected to provide new opportunities - especially with regard to high sensitivity and precision - in applied physics and other areas of science In this review, we provide an introduction to the basic principles, methods and concepts of quantum sensing from the viewpoint of the interested experimentalist
Journal ArticleDOI
Coherent phonon manipulation in coupled mechanical resonators
Hajime Okamoto,Adrien Gourgout,Chia-Yuan Chang,Chia-Yuan Chang,Koji Onomitsu,Imran Mahboob,Edward Yi Chang,Hiroshi Yamaguchi +7 more
TL;DR: In this article, it was shown that phonons can be coherently transferred between two nanomechanical resonators, and the technique of controlling the coupling between nanoscale oscillators using a piezoelectric transducer is useful for manipulating classical oscillations, but if extended to the quantum regime it could also enable entanglement of macroscopic mechanical objects.
Journal ArticleDOI
Nanophononics: state of the art and perspectives
Sebastian Volz,Jose Ordonez-Miranda,Andrey Shchepetov,Mika Prunnila,Jouni Ahopelto,Thomas Pezeril,Gwenaelle Vaudel,Vitaly Gusev,Pascal Ruello,Eva M. Weig,Martin Schubert,Mike Hettich,Martin Grossman,Thomas Dekorsy,Francesc Alzina,Bartlomiej Graczykowski,Emigdio Chavez-Angel,J. Sebastian Reparaz,Markus R. Wagner,Clivia M. Sotomayor-Torres,Shiyun Xiong,Sanghamitra Neogi,Sanghamitra Neogi,Davide Donadio +23 more
TL;DR: In this article, the authors assess the state of the art of nanophononics, describing the recent achievements and the open challenges in nanoscale heat transport, coherent phonon generation and exploitation, and in nano- and optomechanics.
Journal ArticleDOI
General description of quasiadiabatic dynamical phenomena near exceptional points
TL;DR: In this article, the authors identify a characteristic system evolution consisting of periods of quasistationarity interrupted by abrupt nonadiabatic transitions and connect the problem to the phenomenon of stability loss delay.
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Experimental realization of on-chip topological nanoelectromechanical metamaterials
TL;DR: In this article, the experimental realization of topological nanoelectromechanical metamaterials, consisting of two-dimensional arrays of free-standing silicon nitride nanomembranes that operate at high frequencies (10-20 megahertz), was reported.
References
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Book
Quantum Computation and Quantum Information
TL;DR: In this article, the quantum Fourier transform and its application in quantum information theory is discussed, and distance measures for quantum information are defined. And quantum error-correction and entropy and information are discussed.
Quantum Computation and Quantum Information
TL;DR: This chapter discusses quantum information theory, public-key cryptography and the RSA cryptosystem, and the proof of Lieb's theorem.
Journal ArticleDOI
Coherent manipulation of coupled electron spins in semiconductor quantum dots.
Jason R. Petta,Jason R. Petta,Jason R. Petta,A. C. Johnson,A. C. Johnson,A. C. Johnson,Jacob M. Taylor,Jacob M. Taylor,Jacob M. Taylor,Edward A. Laird,Edward A. Laird,Edward A. Laird,Amir Yacoby,Amir Yacoby,Amir Yacoby,Mikhail D. Lukin,Mikhail D. Lukin,Mikhail D. Lukin,Charles Marcus,Charles Marcus,Charles Marcus,Micah Hanson,Micah Hanson,Micah Hanson,Arthur C. Gossard,Arthur C. Gossard,Arthur C. Gossard +26 more
TL;DR: It is demonstrated coherent control of a quantum two-level system based on two-electron spin states in a double quantum dot, allowing state preparation, coherent manipulation, and projective readout based on rapid electrical control of the exchange interaction.
Journal ArticleDOI
Spins in few-electron quantum dots
TL;DR: In this article, the physics of spins in quantum dots containing one or two electrons, from an experimentalist's viewpoint, are described, and various methods for extracting spin properties from experiment are presented, restricted exclusively to electrical measurements.
Journal ArticleDOI
Laser cooling of a nanomechanical oscillator into its quantum ground state
Jasper Fuk-Woo Chan,T. P. Mayer Alegre,T. P. Mayer Alegre,Amir H. Safavi-Naeini,Jeff T. Hill,Alexander G. Krause,Simon Gröblacher,Simon Gröblacher,Markus Aspelmeyer,Oskar Painter +9 more
TL;DR: In this article, a coupled, nanoscale optical and mechanical resonator formed in a silicon microchip is used to cool the mechanical motion down to its quantum ground state (reaching an average phonon occupancy number of 0.85±0.08).