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Metasurfaces, with their ability to control electromagnetic waves, hold immense potential in optical device design, especially for applications requiring precise control over dispersion. This work introduces an approach to dispersion…

Direct microwave heating of 3Y-ZrO 2 is studied at frequency of 2.45 GHz. Different conditions of input power, sample position and size are tested. For the first time, the experimentally known instability of microwave sintering is explained…

Materials Science · Physics 2020-11-26 Charles Manière , Tony Zahrah , Eugene A. Olevsky

A key concept underlying the specific functionalities of metasurfaces, i.e. arrays of subwavelength nanoparticles, is the use of constituent components to shape the wavefront of the light, on-demand. Metasurfaces are versatile and novel…

Single pressure refractive index gas thermometry (SPRIGT) is a novel primary thermometry, jointly developed by TIPC of CAS in China and LNE-Cnam in France. To realize a competitive uncertainty of 0.25 mK for thermodynamic temperature…

Instrumentation and Detectors · Physics 2020-06-24 Haiyang Zhang , Bo Gao , Wenjing Liu , Changzhao Pan , Dongxu Han , Ercang Luo , Laurent Pitre

Leveraging advancements in cavity optomechanics, we explore Optomechanically Induced Transparency/Absorption (OMIT/OMIA) in the microwave domain at ambient temperature. Contrary to previous works employing cryogenic temperatures, this work…

Applied Physics · Physics 2024-03-19 Sumit Kumar , Matthew Kenworthy , Henry Ginn , Xavier Rojas

Free-positioning and multi-user supportive wireless power transfer systems represent the next-generation technology for wireless charging under the Qi standard. Traditional approaches employ multiple transmitting coils and multi-channel…

Applied Physics · Physics 2023-04-19 Hanwei Wang , Joshua Yu , Xiaodong Ye , Yun-Sheng Chen , Yang Zhao

It is shown that an optical parametric amplifier inside a cavity can considerably improve the cooling of the micromechanical mirror by radiation pressure. The micromechanical mirror can be cooled from room temperature 300 K to sub-Kelvin…

Quantum Physics · Physics 2009-11-21 Sumei Huang , G. S. Agarwal

Perovskites have recently brought significant advances to active nanophotonics, offering a unique combination of gain and phase-change properties for tunable light-emitting devices. However, current wavelength-tunable devices often rely on…

The development and the use of quantum technologies are hindered by a fundamental challenge: Quantum materials exhibit macroscopic quantum properties at extremely low temperatures due to the loss of quantum coherence at elevated…

Superconductivity · Physics 2022-04-22 Kenan Gundogdu , Franky So , Mark L. Brongersma , Melike Biliroglu , Gamze Findik

An ensemble of N identical noninteracting spins being in thermal equilibrium and coupled to the resonant mode of a lossless microwave cavity is studied at arbitrary temperature T. Near T = 0 the system is known to be in a coupled…

Mesoscale and Nanoscale Physics · Physics 2014-06-24 E. I. Baibekov

Nonlinear metasurfaces with subwavelength thickness were recently established as versatile platforms for the enhanced and tailorable generation of entangled photon pairs. The small dimensions and inherent stability of integrated metasurface…

In cavity optomechanics, light is used to control mechanical motion. A central goal of the field is achieving single-photon strong coupling, which would enable the creation of quantum superposition states of motion. Reaching this limit…

Mesoscale and Nanoscale Physics · Physics 2015-10-19 Mingyun Yuan , Vibhor Singh , Yaroslav M. Blanter , Gary A. Steele

We propose to realize microwave quantum illumination in weak coupling regime based on multimode optomechanical systems. In our proposal the multimode together with a frequency-mismatch process could reduce mechanical thermal noise.…

Quantum Physics · Physics 2017-01-24 Wen-Juan Yang , Xiang-Bin Wang

Hyperthermia has been in use for many years; as a potential alternative modality for cancer treatment. In this paper, an experimental investigation of microwave assisted thermal heating (MWATH) of tissue phantom using a domestic microwave…

Medical Physics · Physics 2020-06-25 Dhiraj Kumar , Purbarun Dhar , Anup Paul

We present a detailed numerical analysis of the temperature limit and timescale of cavity cooling of a dilute gas in the quantum regime for particles and light. For a cavity with a linewidth smaller than the recoil frequency efficient…

Quantum Physics · Physics 2013-12-11 Raimar M. Sandner , Wolfgang Niedenzu , Helmut Ritsch

We study parametric amplification of electromagnetic waves using metasurfaces. We design a variable capacitor-loaded metasurface that can amplify incident electromagnetic waves. We analyze various regimes of operation of the system and find…

Applied Physics · Physics 2024-02-02 Fedor V. Kovalev , Ilya V. Shadrivov

The aim of this study was to evaluate and compare temperature distributions for different tissues being treated at the time of interstitial microwave hyperthermia. A coaxial-slot antenna implemented into the tissue is the source of…

Medical Physics · Physics 2017-10-31 Piotr Gas

The general approach in metasurface design is to find the unit-cell properties required to achieve a given functionality. This is usually done by modeling the metasurface as a combination of surface electric and magnetic polarization…

Optics · Physics 2025-08-22 Francisco S. Cuesta , Karim Achouri

As a two-dimensional planar material with low depth profile, a metasurface can generate non-classical phase distributions for the transmitted and reflected electromagnetic waves at its interface. Thus, it offers more flexibility to control…

We report on the development of a sub-kelvin, single-crystal silicon Fabry-Perot cavity. Operating such a cavity below 1~K should reduce the thermal noise limit of the cavity, and by this way address the current limitations of ultrastable…

Instrumentation and Detectors · Physics 2024-06-13 Joannès Barbarat , Jonathan Gillot , Jacques Millo , Clément Lacroûte , Thomas Legero , Vincent Giordano , Yann Kersalé