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We experimentally squeeze the thermal motional state of an optically levitated nanosphere, by fast switching between two trapping frequencies. The measured phase space distribution of our particle shows the typical shape of a squeezed…

Microelectromechanical systems and integrated photonics provide the basis for many reliable and compact circuit elements in modern communication systems. Electro-opto-mechanical devices are currently one of the leading approaches to realize…

Quantum Physics · Physics 2020-07-07 J. M. Fink , M. Kalaee , R. Norte , A. Pitanti , O. Painter

We demonstrate a free-space amplitude modulator for mid-infrared radiation (lambda=9.6 um) that operates at room temperature up to at least 20 GHz (above the -3dB cutoff frequency measured at 8.2 GHz). The device relies on the ultra-fast…

Electrical control of oxygen off-stoichiometry of transition-metal oxides at room temperature is a desired strategy to simultaneously switch the electrical conductance and magnetism of the device. Although the use of the electrochemical…

Materials Science · Physics 2016-04-05 Takayoshi Katase , Yuki Suzuki , Hiromichi Ohta

We present a groundbreaking demonstration of thermal modulation in a field-effect-controllable semiconductor-superconductor hybrid structure, wherein the heating mechanism is exclusively radiative. The architecture comprises two reservoirs…

We propose an infrared power switch based on an asymmetric high-Q microcavity incorporating a metallic nanolayer in close proximity to a layer made of a phase-change material (PCM). The microcavity is designed so that when the PCM layer is…

Optics · Physics 2020-12-14 R. Thomas , A. A. Chabanov , I. Vitebskiy , T. Kottos

We report a theoretical model for a thermal transistor in dielectric four-terminal nanostructures based on mesoscopic ballistic phonon transport, in which a steady thermal flow condition of system is obtained to set up the temperature field…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Ping Yang , Bambi Hu

Thermal FEM (Finite Element Method) simulations can be used to predict the thermal behavior of power semiconductors in application. Most power semiconductors are made of silicon. Silicon thermal material properties are significantly…

General Physics · Physics 2008-01-08 V. Kosel , R. Sleik , M. Glavanovics

In this work, we present the effects of stochastic force generated by white noise on the nonlinear dynamics of a circular silicon nitride membrane. By tuning the membrane to the Duffing nonlinear region, detected signals switching between…

Applied Physics · Physics 2022-12-22 Srisaran Venkatachalam , Xin Zhou

We present an experimental demonstration as well as a theoretical model of an integrated circuit designed for the manipulation of a microwave field down to the single-photon level. The device is made of a superconducting resonator coupled…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 Mathieu Pierre , Sankar Raman Sathyamoorthy , Ida-Maria Svensson , Göran Johansson , Per Delsing

Suspended aluminium nanoelectromechanical resonators have been fabricated, and the manufacturing process is described in this work. Device motion is driven and detected with a magnetomotive method. The resonance response has been measured…

Instrumentation and Detectors · Physics 2019-01-30 T. Kamppinen , V. B. Eltsov

We demonstrate that it is possible to distinguish two conductance switching mechanisms in silver sulfide devices at room temperature. Experiments were performed using a Ag$_2$S thin film deposited on a wide Ag bottom electrode, which was…

Mesoscale and Nanoscale Physics · Physics 2017-12-11 J. J. T. Wagenaar , M. Morales-Masis , J. M. van Ruitenbeek

The functionality of logic and memory elements in current electronics is based on multi-stability, driven either by manipulating local concentrations of electrons in transistors, or by switching between equivalent states of a material with…

Mesoscale and Nanoscale Physics · Physics 2016-05-12 I. Vaskivskyi , I. A. Mihailovic , S. Brazovskii , J. Gospodaric , T. Mertelj , D. Svetin , P. Sutar , D. Mihailovic

A number of current approaches to quantum and neuromorphic computing use superconductors as the basis of their platform or as a measurement component, and will need to operate at cryogenic temperatures. Semiconductor systems are typically…

Conductance switching has been reported in many molecular junction devices, but in most cases has not been convincingly explained. We investigate conductance switching in Pt/stearic acid monolayer/Ti devices using pressure-modulated…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Feng Miao , Douglas Ohlberg , Duncan Stewart , R. Stanley Williams , Chun Ning Lau*

A quantum thermal device based on three nearest-neighbor coupled spin-1/2 systems controlled by the magnetic field is proposed. We systematically study the steady-state thermal behaviors of the system. When the two terminals of our system…

Quantum Physics · Physics 2024-02-01 Yi-jia Yang , Yu-qiang Liu , Zheng Liu , Chang-shui Yu

We show that piezoelectric strain actuation of acoustomechanical interactions can produce large phase velocity changes in an existing quantum phononic platform: aluminum nitride on suspended silicon. Using finite element analysis, we…

Quantum Physics · Physics 2021-06-15 Jeffrey C. Taylor , Eric Chatterjee , William F. Kindel , Daniel Soh , Matt Eichenfield

Inspired by some recent experiments and numerical works related to nanoresonators, we perform classical molecular dynamics simulations to investigate the thermal expansion and the ability of the device to act as a strain sensor assisted by…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 Agustín Mancardo Viotti , Alejandro G. Monastra , Mariano F. Moreno , M. Florencia Carusela

Achieving and controlling non-reciprocity in engineered photonic structures is of fundamental interest in science and engineering. Here, we introduce a tunable, non-Hermitian, nonlinear microwave dimer designed to precisely implement…

Nanophotonic technologies offer great promise for ultra-low power optical signal processing, but relatively few nonlinear-optical phenomena have yet been explored as bases for robust digital…

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