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

Uncertainty in Measurement: Reading Instruments02:46

Uncertainty in Measurement: Reading Instruments

Counting is the type of measurement that is free from uncertainty, provided the number of objects being counted does not change during the process. Such measurements result in exact numbers. By counting the eggs in a carton, for instance, one can determine exactly how many eggs are there in the carton. Similarly, the numbers of defined quantities are also exact. For example, 1 foot is exactly 12 inches, 1 inch is exactly 2.54 centimeters, and 1 gram is exactly 0.001 kilograms. Quantities...
Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short distances...

You might also read

Related Articles

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

Sort by
Same author

Interactions in Rare-Earth-Doped Nanoparticles: A Multi-Transition, Concentration, and Excitation Path Analysis.

ACS nano·2026
Same author

Optically detected nuclear magnetic resonance of coherent spins in a molecular complex.

Nature materials·2026
Same author

Sub-second spin and lifetime-limited optical coherences in <sup>171</sup>Yb<sup>3+</sup>:CaWO<sub>4</sub>.

Nature communications·2026
Same author

Week-long-lifetime microwave spectral holes in an erbium-doped scheelite crystal at millikelvin temperature.

Nature communications·2025
Same author

Sub-MHz homogeneous linewidth in epitaxial Y<sub>2</sub>O<sub>3</sub>: Eu<sup>3+</sup> thin film on silicon.

Nanophotonics (Berlin, Germany)·2025
Same author

Nearfield control over magnetic light-matter interactions.

Light, science & applications·2025
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 7, 2026

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
09:10

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Published on: April 24, 2014

28.5K

Incoherent Measurement of a Sub-10 kHz Optical Linewidth.

Félix Montjovet-Basset1, Jayash Panigrahi1, Diana Serrano1

  • 1Institut de Recherche de Chimie Paris, PSL University, Chimie ParisTech, CNRS, 75005 Paris, France.

Physical Review Letters
|September 15, 2025
PubMed
Summary
This summary is machine-generated.

Researchers developed a new method to measure quantum state lifetimes (T2) using incoherent fluorescence variance analysis. This technique significantly enhances signal strength for small numbers of emitters, aiding quantum technology development.

More Related Videos

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

8.8K
Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
07:42

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

3.5K

Related Experiment Videos

Last Updated: Jun 7, 2026

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
09:10

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics

Published on: April 24, 2014

28.5K
Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

8.8K
Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
07:42

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

3.5K

Area of Science:

  • Quantum Optics
  • Materials Science
  • Quantum Information Science

Background:

  • Quantum state lifetimes (T2) are crucial for quantum technologies, but measuring long T2 (narrow homogeneous linewidths) is challenging.
  • Conventional photon echo measurements yield weak signals for small emitter ensembles, hindering nanomaterial development.

Purpose of the Study:

  • To develop a more sensitive method for measuring quantum state lifetimes (T2) in systems with few emitters.
  • To enable efficient characterization of nanomaterials for quantum applications.

Main Methods:

  • Proposed and demonstrated a novel photon echo measurement technique.
  • Utilized incoherent fluorescence detection and variance analysis.
  • Applied the method to an erbium-doped crystal.

Main Results:

  • Achieved significantly larger signals compared to direct photon echo detection.
  • Successfully measured T2 using an incoherent laser source over the measurement timescale.
  • Demonstrated the method's effectiveness on an erbium-doped crystal.

Conclusions:

  • The new method overcomes signal limitations of traditional techniques for measuring T2.
  • It facilitates efficient assessment of quantum properties for various emitters and nanomaterials.
  • This advances the development of quantum nanophotonics and quantum technologies.