Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Integrative analysis of mortality risk in SFTS using machine learning and genetic approaches.

mSphere·2026
Same author

Future trends in 3D-printed oleogels based on personalized nutrition and applications.

Critical reviews in food science and nutrition·2026
Same author

Early Screening for Cervical Squamous Cell Carcinoma and Precancerous Lesions Based on Surface-Enhanced Raman Spectroscopy Microarray Chips.

International journal of nanomedicine·2026
Same author

Adjunctive intra-arterial alteplase after near-complete or complete reperfusion in acute ischemic stroke: A post hoc analysis of the PEARL Trial.

International journal of stroke : official journal of the International Stroke Society·2026
Same author

Effectiveness of Immediate Angioplasty or Stenting on Functional Outcomes in Acute Ischemic Stroke With Severe Intracranial Stenosis.

Neurology·2026
Same author

Intra-Arterial Alteplase After Successful Endovascular Reperfusion in Acute Stroke: The PEARL Randomized Clinical Trial.

JAMA·2026

Related Experiment Video

Updated: Jun 5, 2025

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

9.3K

Ultrasensitive nanoscale optomechanical electrometer using photonic crystal cavities.

Ji Xia1, Qifeng Qiao1, Haoyang Sun1

  • 1Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117575, Singapore.

Nanophotonics (Berlin, Germany)
|December 5, 2024
PubMed
Summary

This study introduces an optomechanical electrometer for highly sensitive electric charge detection. The device utilizes a nanophotonic system to achieve unprecedented precision in sensing charged nanoparticles for various applications.

Keywords:
cavity optomechanicselectrometerelectrostatic spring softeningphotonic crystal nanobeam resonator

More Related Videos

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

7.1K
Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

18.9K

Related Experiment Videos

Last Updated: Jun 5, 2025

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

9.3K
Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

7.1K
Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

18.9K

Area of Science:

  • Nanophotonics
  • Optomechanics
  • Precision Sensing

Background:

  • High-precision electric charge detection is crucial for physical, chemical, and biological applications.
  • Nanophotonic optomechanical systems offer strong light-matter interaction for enhanced sensing capabilities.

Purpose of the Study:

  • To propose and demonstrate an integrated optomechanical electrometer for ultrasensitive electric charge sensing.
  • To leverage a zipper cavity and photonic crystal nanobeam for precise voltage and charge measurements.

Main Methods:

  • Utilized a suspended photonic crystal nanobeam as a movable mechanical resonator within a zipper cavity.
  • Employed optomechanical coupling to transduce mechanical motion, modulated by electrostatic forces, into optical signals.
  • Operated the system in self-sustained oscillation above threshold power to enhance sensitivity.

Main Results:

  • Achieved a voltage sensitivity of 0.007 V and an enhanced electrical sensitivity of 0.014 V.
  • Demonstrated a high resolution and a peak-to-noise floor ratio of up to 73.5 dB in the radio frequency spectrum.
  • Calculated a theoretical minimal detectable electrostatic charge of 1.2 e⁻/√Hz.

Conclusions:

  • The proposed on-chip optomechanical electrometry scheme offers a powerful solution for ultrasensitive determination of charged nanoparticles.
  • This technology has significant potential for advancements in biological and chemical sensing applications.