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

The de Broglie Wavelength02:32

The de Broglie Wavelength

In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
Two-Dimensional (2D) NMR: Overview01:12

Two-Dimensional (2D) NMR: Overview

The 1D NMR spectrum of large and complex molecules like natural products has complicated splitting patterns and overlapping signals, which can be easily interpreted using 2-dimensional (2D) NMR. Unlike 1D NMR, 2D NMR has two frequency axes that provide the coupling information between the nucleus A and nucleus B in a molecule. The process from which 2D spectra are obtained has four steps.
The first step is the preparation period, during which nucleus A is excited with a radiofrequency pulse.

You might also read

Related Articles

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

Sort by
Same author

Spatial-adaptive active learning identifies ultra-durable and highly active catalysts for acidic oxygen evolution reaction.

Science bulletin·2026
Same author

XQueryer: an intelligent crystal structure identifier for powder X-ray diffraction.

National science review·2025
Same author

First-Order Phase Transformation in Highly Concentrated Electrolyte for High-Rate and Long-Cycle Aqueous Zn-Ion Battery.

Angewandte Chemie (International ed. in English)·2025
Same author

Ferromagnetic Surface Segregation via Stress-Concentration Coupling Boosts the Oxygen Evolution Reaction in RuO<sub>2</sub>.

ACS nano·2025
Same author

Grain Boundary Oxygen Improving the Acidic Oxygen Evolution Reaction of Zn-RuO<sub>2</sub>@ZnO.

Journal of the American Chemical Society·2025
Same author

Machine Learning-Engineered Nanozyme System for Synergistic Anti-Tumor Ferroptosis/Apoptosis Therapy.

Small (Weinheim an der Bergstrasse, Germany)·2024

Related Experiment Video

Updated: May 25, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Two-dimensional sub-half-wavelength atom localization via controlled spontaneous emission.

Ren-Gang Wan1, Tong-Yi Zhang

  • 1Xi’an Institute of Optics and Precision Mechanics, ChineseAcademy of Sciences, Xi’an, China. wrg@opt.ac.cn

Optics Express
|January 26, 2012
PubMed
Summary
This summary is machine-generated.

This study introduces a novel method for two-dimensional atom localization using controlled spontaneous emission. It achieves high spatial resolution by measuring emission spectra, enabling precise atom positioning.

More Related Videos

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Related Experiment Videos

Last Updated: May 25, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Area of Science:

  • Quantum optics
  • Atomic physics
  • Nanotechnology

Background:

  • Precise atom localization is crucial for quantum technologies.
  • Existing methods face limitations in spatial resolution and efficiency.

Purpose of the Study:

  • To develop a novel scheme for two-dimensional (2D) atom localization.
  • To achieve sub-half-wavelength spatial resolution using controlled spontaneous emission.

Main Methods:

  • Utilizing controlled spontaneous emission from an atom interacting with two orthogonal standing-wave fields.
  • Analyzing the spatially dependent atom-field interaction and its effect on emission spectra.
  • Leveraging phase-sensitive properties for emission quenching and uncertainty reduction.

Main Results:

  • Atom position probability distribution is determined by measuring the spontaneous emission spectrum.
  • Spontaneous emission quenching in specific regions enhances localization precision.
  • Frequency measurement of emitted light localizes the atom within a half-wavelength domain.
  • 100% probability of finding the atom at a specific position upon detecting a photon of a certain frequency.

Conclusions:

  • The proposed scheme offers a powerful tool for 2D atom localization.
  • High spatial resolution, below the half-wavelength limit, is achievable by increasing Rabi frequencies.
  • This method has significant implications for quantum information processing and metrology.