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 Experiment Video

Updated: May 14, 2026

Label-free Single Molecule Detection Using Microtoroid Optical Resonators
08:53

Label-free Single Molecule Detection Using Microtoroid Optical Resonators

Published on: December 29, 2015

Label-free, single-object sensing with a microring resonator: FDTD simulation.

Dan T Nguyen1, Robert A Norwood

  • 1College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, USA. dnguyen@optics.arizona.edu

Optics Express
|February 8, 2013
PubMed
Summary

This study numerically investigates label-free, single-object sensing using microring resonators. The finite difference time-domain (FDTD) method accurately simulates light interactions, revealing resonant shifts and object eigenmodes for deep sensing insights.

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

Dynamic Circular Sulfur-Rich Polymer Glasses From Elemental Sulfur.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Public risk perceptions of advanced water purification in an arid urban region of the U.S. southwest: A mixed methods study.

The Science of the total environment·2025
Same author

Quantum photonic gates with two-dimensional random walkers.

Optics express·2025
Same author

Oligometastatic Renal Ewing Sarcoma With <i>FUS::ERG</i> Fusion: A Case Report And Literature Review.

Sage open pathology·2025
Same author

Photopolymer Resins from Sulfenyl Chloride Commodity Chemicals for Plastic Optics, Photopatterning and 3D-Printing.

Advanced materials (Deerfield Beach, Fla.)·2025
Same author

Synthesis of Polycyclic Olefinic Monomers from Norbornadiene for Inverse Vulcanization: Structural and Mechanistic Consequences.

Journal of the American Chemical Society·2024

Area of Science:

  • Photonics and optical sensing
  • Computational electromagnetics
  • Nanotechnology

Background:

  • Microring resonators are crucial for label-free sensing applications.
  • Accurate simulation of light-matter interactions is essential for optimizing sensor performance.
  • Understanding scattering and radiation losses is key to improving sensing fidelity.

Purpose of the Study:

  • To numerically investigate label-free, single-object sensing using microring resonators.
  • To develop and validate a simulation method capable of capturing complex light-matter interactions.
  • To demonstrate the extraction of internal object information through eigenmode analysis.

Main Methods:

  • Numerical simulation using the finite difference time-domain (FDTD) method.

More Related Videos

Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators
09:46

Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators

Published on: August 8, 2025

Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing
08:12

Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing

Published on: March 13, 2013

Related Experiment Videos

Last Updated: May 14, 2026

Label-free Single Molecule Detection Using Microtoroid Optical Resonators
08:53

Label-free Single Molecule Detection Using Microtoroid Optical Resonators

Published on: December 29, 2015

Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators
09:46

Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators

Published on: August 8, 2025

Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing
08:12

Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing

Published on: March 13, 2013

  • Utilizing an ultra-wide bandwidth pulse spanning multiple resonant modes.
  • Modeling whispering-gallery-mode (WGM) microring dynamics and light-object interactions.

    • Main Results:

    • The FDTD simulation accurately describes light circulation and multiple interactions within the microring.
    • Simulation accounts for critical factors like scattering and radiation losses.
    • Observed resonant shifts in WGM cavity modes correlate with the presence of the sensing object.
    • Successfully extracted eigenmodes of the sensing object, providing insights into its internal structure.

    Conclusions:

    • The FDTD method provides a powerful tool for simulating microring resonator-based sensing.
    • This approach enables label-free detection and characterization of single objects.
    • The simulation's ability to extract object eigenmodes offers potential for deep internal sensing.
    • The method is scalable for sensing applications involving multiple objects.