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

Size-tunable and efficient fabrication of CsPbBr<sub>3</sub> superlattices by high-temperature self-assembly for superfluorescence.

Journal of colloid and interface science·2026
Same author

Spin-decoupled metasurfaces for polarization-tailored holography.

Optics express·2026
Same author

Nonlinear quantum light source with van der Waals ferroelectric NbOX<sub>2</sub> (X = Br, I).

Nature communications·2026
Same author

Data-Driven Prediction and Inverse Design of Fluoride Glasses via Explainable GA-BP Neural Networks.

Materials (Basel, Switzerland)·2026
Same author

Design and implementation of an avalanche photodiode array receiver for fluorescent-antenna-based visible light communication systems.

Applied optics·2026
Same author

Jiangfu Fuwei granules alleviate chronic atrophic gastritis by suppressing angiogenesis through the PI3K-AKT-HIF1α pathway.

American journal of translational research·2026

Related Experiment Video

Updated: Jun 28, 2025

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

Continuous-Wave Pumped Monolayer WS2 Lasing for Photonic Barcoding.

Haodong Cheng1,2,3, Junyu Qu1,2, Wangqi Mao3

  • 1Key Laboratory for Micro-Nano Physics and Technology of Hunan Province, College of Materials Science and Engineering, Hunan University, Changsha 410082, China.

Nanomaterials (Basel, Switzerland)
|April 12, 2024
PubMed
Summary
This summary is machine-generated.

Researchers developed high-capacity photonic barcodes using continuous-wave pumped tungsten disulfide (WS2) microlasers. This innovation enhances information security and anti-counterfeiting with simplified detection and massive encoding potential.

Keywords:
anti-counterfeitingcontinuous-wave pumped lasinghigh encoding capacitymicro/nano photonic barcodemonolayer WS2 films

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
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

8.4K

Related Experiment Videos

Last Updated: Jun 28, 2025

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
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
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

8.4K

Area of Science:

  • Photonics and Materials Science
  • Nanotechnology and Optoelectronics

Background:

  • Micro/nano photonic barcodes offer high security but face limitations in encoding capacity and detection.
  • Conventional methods often require expensive pulsed lasers and suffer from broad emission bandwidths.

Purpose of the Study:

  • To develop high-capacity photonic barcode labels for enhanced information security and anti-counterfeiting.
  • To overcome the limitations of conventional photonic barcodes through novel material and laser design.

Main Methods:

  • Grew large-area, high-quality monolayer tungsten disulfide (WS2) films using vapor deposition.
  • Constructed optically pumped microlasers by coupling WS2 films with external cavities.
  • Utilized closely packed WS2 microlasers of varying sizes for high-density barcode pixelation.

Main Results:

  • Achieved continuous-wave (CW) pumped lasing with a narrow linewidth (~0.39 nm) and low threshold (~400 W cm-2) at room temperature.
  • Demonstrated high-density, nonuniform multiple-mode lasing signals from WS2 microlasers.
  • A 20-pixel label achieved a high encoding capacity of 2.35 × 10^108.

Conclusions:

  • Continuous-wave operation and narrow-linewidth lasing simplify detection for photonic barcodes.
  • This work advances two-dimensional material micro/nanolasers for information encoding and security.
  • The proposed WS2-based photonic barcodes offer a promising platform for robust anti-counterfeiting solutions.