Title :

Coupling Capacitively Distinct Mechanical Resonators for Room-Temperature Phonon-Cavity Electromechanics

Author(s) :

Pokharel, Alok [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Xu, Hao [Auteur]
Nano and Microsystems - IEMN [NAM6 - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Venkatachalam, Srisaran [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Collin, Eddy [Auteur]
Ultra-basses températures [NEEL - UBT]
Zhou, Xin [Auteur correspondant]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Nano and Microsystems - IEMN [NAM6 - IEMN]

Journal title :

Nano Letters

Pages :

7351–7357

Publisher :

American Chemical Society

Publication date :

2022

ISSN :

1530-6984

English keyword(s) :

approximation
classical
coupling
linear
signal processing
temperature
capture
aluminum
silicon
transparency

HAL domain(s) :

Physique [physics]/Matière Condensée [cond-mat]
Physique [physics]/Physique Quantique [quant-ph]
Sciences de l'ingénieur [physics]/Micro et nanotechnologies/Microélectronique

English abstract : [en]

Coupled electromechanical resonators that can be independently driven/detected and easily integrated with external circuits are essential for exploring mechanical modes based signal processing and multifunctional integration. ...
Show more >Coupled electromechanical resonators that can be independently driven/detected and easily integrated with external circuits are essential for exploring mechanical modes based signal processing and multifunctional integration. One of the main challenges lies in controlling energy transfers between distinct resonators experiencing nanoscale displacements. Here, we present a room temperature electromechanical system that mimics a “phonon-cavity”, in analogy with optomechanics. It consists in a silicon nitride membrane capacitively coupled to an aluminum drum-head resonator. We demonstrate electromechanically induced transparency and amplification through manipulating the mechanical displacements of this coupled system, creating interferences in the measured signal. The anti-damping effects, generated by phonon-cavity force, have been observed in both movable objects. We develop an analytical model that captures the analoguous optomechanical features in the classical limit and enables to fit quantitatively the measurements. Our results open up new possibilities for building compact and multifunctional mechanical systems, and exploring phonon–phonon coupling based optomechanics.Show less >

Language :

Anglais

Peer reviewed article :

Oui

Audience :

Internationale

Popular science :

Non

European Project :

Ultra-Cold Nano-Mechanics: from Classical to Quantum Complexity

Collections :

• Institut d'Électronique, de Microélectronique et de Nanotechnologie (IEMN) - UMR 8520

Source :

Harvested from HAL