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

Superconducting micro-resonator arrays with ideal frequency spacing.

Applied physics letters·2025
Same author

Electromagnetic black holes with controllable composite right/left-handed transmission lines.

Scientific reports·2025
Same author

Author Correction: Josephson radiation threshold detector.

Scientific reports·2024
Same author

Waveguide Mach-Zehnder interferometer to enhance the sensitivity of quantum parameter estimation.

Optics express·2023
Same author

Sensitive enhancement of cat state quantum illumination.

Optics express·2023
Same author

A microwave scattering spectral method to detect the nanomechanical vibrations embedded in a superconducting qubit.

Scientific reports·2023
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

Related Experiment Video

Updated: Jun 23, 2025

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

534

Beating the Standard Quantum Limit Electronic Field Sensing by Simultaneously Using Quantum Entanglement and

X N Feng1, M Zhang2, L F Wei1

  • 1Information Quantum Technology Laboratory, International Cooperation Research Center of China Communication and Sensor Networks for Modern Transportation, School of Information Science and Technology, Southwest Jiaotong University, Chengdu 610031, China.

Physical Review Letters
|June 15, 2024
PubMed
Summary
This summary is machine-generated.

Researchers surpassed the standard quantum limit (SQL) for electric field sensing by combining quantum entanglement and squeezing. This novel approach significantly boosts sensitivity, potentially reaching the Heisenberg limit for enhanced quantum metrology.

More Related Videos

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

14.5K
Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

9.6K

Related Experiment Videos

Last Updated: Jun 23, 2025

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
05:30

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

534
Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

14.5K
Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

9.6K

Area of Science:

  • Quantum Physics
  • Quantum Metrology
  • Atomic Physics

Background:

  • Standard quantum limit (SQL) restricts sensitivity in phase estimation.
  • Quantum entanglement and squeezing are known methods to surpass SQL.
  • Previous studies used these methods individually or sequentially for electric field sensing, with limited gains.

Purpose of the Study:

  • To overcome the limitations of individual quantum entanglement or squeezing for enhanced electric field sensing.
  • To propose a novel method that simultaneously utilizes both entanglement and squeezing.
  • To demonstrate a sensitivity gain beyond the theoretical 6 dB and experimental 3 dB over SQL.

Main Methods:

  • Simultaneously applying internal (spin)-external (oscillator) state entanglement.
  • Employing oscillator squeezing to amplify phase accumulation.
  • Utilizing a trapped ion platform for electric field sensing.

Main Results:

  • Achieved a sensitivity gain significantly surpassing the theoretical upper bound.
  • Demonstrated a novel approach to beat the standard quantum limit (SQL).
  • Showed potential to approach the Heisenberg limit for electric field sensing.

Conclusions:

  • Simultaneous use of entanglement and squeezing offers a powerful strategy for quantum metrology.
  • This method significantly enhances electric field sensing sensitivity.
  • The proposed approach paves the way for improved sensitivity in various metrology applications.