Centimeter-scale nanomechanical resonators with low dissipation

• URL: http://arxiv.org/abs/2308.00611v2
• Date: Fri, 14 Jun 2024 15:44:20 GMT
• Title: Centimeter-scale nanomechanical resonators with low dissipation
• Authors: Andrea Cupertino, Dongil Shin, Leo Guo, Peter G. Steeneken, Miguel A. Bessa, Richard A. Norte,
• Abstract summary: We present nanomechanical resonators that extend centimeters in length yet retain nanometer thickness. Our approach ensures high-yield realization, experimentally confirming room-temperature quality factors close to theoretical predictions. The synergy between nanofabrication, design optimization guided by machine learning, and precision engineering opens a solid-state path to room-temperature quality factors approaching 10 billion at kilohertz mechanical frequencies.
• Score: 0.43981305860983716
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: High-aspect-ratio mechanical resonators are pivotal in precision sensing, from macroscopic gravitational wave detectors to nanoscale acoustics. However, fabrication challenges and high computational costs have limited the length-to-thickness ratio of these devices, leaving a largely unexplored regime in nano-engineering. We present nanomechanical resonators that extend centimeters in length yet retain nanometer thickness. We explore this expanded design space using an optimization approach which judiciously employs fast millimeter-scale simulations to steer the more computationally intensive centimeter-scale design optimization. By employing delicate nanofabrication techniques, our approach ensures high-yield realization, experimentally confirming room-temperature quality factors close to theoretical predictions. The synergy between nanofabrication, design optimization guided by machine learning, and precision engineering opens a solid-state path to room-temperature quality factors approaching 10 billion at kilohertz mechanical frequencies -- comparable to the performance of leading cryogenic resonators and levitated nanospheres, even under significantly less stringent temperature and vacuum conditions.

Related papers

• Ultralow-loss diamond nanomechanics enabled by van der Waals self-assembly [0.8437187555622164]
  High mechanical quality factors, often achieved using dissipation dilution, are important since they directly enhance measurement sensitivity and quantum coherence.<n>Here, we transform this longstanding obstacle into a solution for tension-enabled dissipation dilution, via a novel van der Waals (vdW) self-assembly method.<n>We demonstrate mechanical quality factors exceeding 100 million at 5K, surpassing state-of-the-art systems at comparable aspect ratios.
  arXiv  Detail & Related papers  (2025-07-01T22:29:19Z)
• Electron-Electron Interactions in Device Simulation via Non-equilibrium Green's Functions and the GW Approximation [71.63026504030766]
  electron-electron (e-e) interactions must be explicitly incorporated in quantum transport simulation. This study is the first one reporting large-scale atomistic quantum transport simulations of nano-devices under non-equilibrium conditions.
  arXiv  Detail & Related papers  (2024-12-17T15:05:33Z)
• Optimizing Entanglement in Nanomechanical Resonators through Quantum Squeezing and Parametric Amplification [0.0]
  We propose a scheme that optimize entanglement in nanomechanical resonators through quantum state transfer of squeezed fields assisted by radiation pressure. The system is driven by red-detuned laser fields, which enable simultaneous cooling of the mechanical resonators.
  arXiv  Detail & Related papers  (2024-10-20T09:37:30Z)
• In-situ-tunable spin-spin interactions in a Penning trap with in-bore optomechanics [41.94295877935867]
  We present an optomechanical system for in-situ tuning of the coherent spin-motion and spin-spin interaction strength. We characterize the system using measurements of the induced mean-field spin precession. These experiments show approximately a $times2$ variation in the ratio of the coherent to incoherent interaction strength.
  arXiv  Detail & Related papers  (2024-01-31T11:00:39Z)
• Multicone Diamond Waveguides for Nanoscale Quantum Sensing [0.5131152350448099]
  The electronic spin of the nitrogen-vacancy center in diamond is a promising quantum sensor for detecting nanoscopic magnetic and electric fields. Here, we address the challenge of the poor signal-to-noise ratio (SNR) of prevalent optical spin-readout techniques. We optimize the structure in simulation, observing an increase in collection efficiency for tall ($geq$ 5 $mu$m) pillars with tapered sidewalls. An optimized device yields increased SNR, owing to improvements in collimation and directionality of emission.
  arXiv  Detail & Related papers  (2023-06-05T15:28:12Z)
• Robust Hamiltonian Engineering for Interacting Qudit Systems [50.591267188664666]
  We develop a formalism for the robust dynamical decoupling and Hamiltonian engineering of strongly interacting qudit systems. We experimentally demonstrate these techniques in a strongly-interacting, disordered ensemble of spin-1 nitrogen-vacancy centers.
  arXiv  Detail & Related papers  (2023-05-16T19:12:41Z)
• Perspectives on high-frequency nanomechanics, nanoacoustics, and nanophononics [0.0]
  The applications of nanophononics include thermal management, ultrafast data processing, simulation, sensing, and the development of quantum technologies. In this review, we cover some of the milestones and breakthroughs, and identify promising pathways of these emerging fields.
  arXiv  Detail & Related papers  (2023-01-18T11:48:11Z)
• Phononically shielded photonic-crystal mirror membranes for cavity quantum optomechanics [48.7576911714538]
  We present a highly reflective, sub-wavelength-thick membrane resonator featuring high mechanical quality factor. We construct a Fabry-Perot-type optical cavity, with the membrane forming one terminating mirror. We demonstrate optomechanical sideband cooling to mK-mode temperatures, starting from room temperature.
  arXiv  Detail & Related papers  (2022-12-23T04:53:04Z)
• Ultra-High Q Nanomechanical Resonators for Force Sensing [91.3755431537592]
  I propose that such resonators will allow the detection of electron and nuclear spins with high spatial resolution. The article lists the challenges that must be overcome before this vision can become reality, and indicates potential solutions.
  arXiv  Detail & Related papers  (2022-09-12T12:21:00Z)
• Measurement of the Low-temperature Loss Tangent of High-resistivity Silicon with a High Q-factor Superconducting Resonator [58.720142291102135]
  We present the direct loss tangent measurement of a high-resist intrinsicivity (100) silicon wafer in the temperature range from 70 mK to 1 K. The measurement was performed using a technique that takes advantage of a high quality factor superconducting niobium resonator.
  arXiv  Detail & Related papers  (2021-08-19T20:13:07Z)
• Continuous-Wave Frequency Upconversion with a Molecular Optomechanical Nanocavity [46.43254474406406]
  We use molecular cavity optomechanics to demonstrate upconversion of sub-microwatt continuous-wave signals at $sim$32THz into the visible domain at ambient conditions. The device consists in a plasmonic nanocavity hosting a small number of molecules. The incoming field resonantly drives a collective molecular vibration, which imprints an optomechanical modulation on a visible pump laser.
  arXiv  Detail & Related papers  (2021-07-07T06:23:14Z)
• Silicon-nitride nanosensors toward room temperature quantum optomechanics [0.05391029385811007]
  A well-established experimental platform is based on a thin film stoichiometric ($ Si_3 N_4 $) nanomembrane embedded in a Fabry-Perot cavity. We investigate, theoretically and experimentally, the edge loss mechanisms comparing two state-of-the-art resonators built by standard micro/fabrication techniques.
  arXiv  Detail & Related papers  (2021-04-29T12:41:16Z)
• Ultra-coherent nanomechanical resonators based on inverse design [0.29360071145551064]
  We use a computer-aided inverse design approach to structurally design mechanical resonators with optimal performance of the fundamental mechanical mode. We characterize ultra-coherent nanomechanical resonators with record-high Qf products, entering a quantum coherent regime. The proposed approach opens up a new paradigm for designing ultra-coherent micro- and nanomechanical resonators for cutting-edge technology.
  arXiv  Detail & Related papers  (2021-03-29T13:26:00Z)
• Open-cavity in closed-cycle cryostat as a quantum optics platform [47.50219326456544]
  We present a fiber-based open Fabry-P'erot cavity in a closed-cycle cryostat exhibiting ultra-high mechanical stability. This set of results manifests open-cavity in a closed-cycle cryostat as a versatile and powerful platform for low-temperature cavity QED experiments.
  arXiv  Detail & Related papers  (2021-03-09T18:41:48Z)
• Quantum hybrid optomechanical inertial sensing [0.0]
  We discuss the design of quantum hybrid inertial sensor that combines an optomechanical inertial sensor with the retro-reflector of a cold atom interferometer. This sensor fusion approach provides absolute and high accuracy measurements with cold atom interferometers. We evaluate which parameters yield an optimal acceleration sensitivity, from which we anticipate a noise floor at nano-g levels from DC to 1 kHz.
  arXiv  Detail & Related papers  (2020-05-18T00:05:25Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.