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: Jun 17, 2026

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

Highly sensitive digital optical sensor based on cascaded high-Q ring-resonators.

Daoxin Dai1

  • 1Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, East Building No.5, Zijingang Campus, Zhejiang University, Hangzhou 310058, China. dxdai@.zju.edu.cn

Optics Express
|January 7, 2010
PubMed
Summary
This summary is machine-generated.

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

Mechano-optically co-designed highly-scalable silicon photonic MEMS switches with quasi-buckling-free 2 × 2 horizontal adiabatic directional couplers.

Microsystems & nanoengineering·2026
Same author

Ultraviolet-C to mid-infrared supercontinuum generation in periodically poled lithium tantalate waveguides.

Light, science & applications·2026
Same author

High-efficiency ultraviolet UAV communications using an azimuthally omnidirectional optical antenna.

Optics letters·2026
Same author

Precision limits in precision-aligned direct-drive and direct-detection architectures for photonic computing.

Optics letters·2026
Same author

Harnessing diverse hybrid integration for bridging trans-scale multi-dimensional fiber-chip data transmission and processing.

Light, science & applications·2026
Same author

Control and steering of integrated optical vortices.

Optics letters·2026
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

A novel digital optical sensor uses two cascaded rings with different free spectral ranges (FSRs) for ultra-high sensitivity. This design enables low-cost, portable, and highly sensitive optical sensing on a single chip.

Area of Science:

  • Photonics and Optical Sensing
  • Integrated Optics
  • Nanophotonics

Background:

  • Traditional optical sensors often lack the sensitivity required for precise measurements.
  • Single-ring resonator sensors have limitations in sensitivity and resolution.
  • Developing highly sensitive, portable, and cost-effective optical sensing systems is a key challenge.

Purpose of the Study:

  • To propose a novel digital optical sensor architecture utilizing cascaded microring resonators.
  • To achieve ultra-high sensitivity in optical sensing by leveraging different free spectral ranges (FSRs).
  • To demonstrate the feasibility of a low-cost, portable, and highly sensitive integrated optical sensor system.

Main Methods:

  • Design and simulation of a digital optical sensor based on two cascaded microring resonators with distinct FSRs.

More Related Videos

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

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Related Experiment Videos

Last Updated: Jun 17, 2026

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

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

  • Analysis of spectral response shifts based on changes in the effective refractive index of the first ring.
  • Utilizing the FSR difference between the two rings to amplify the spectral shift.

    • Main Results:

    • The proposed sensor exhibits digital spectral peak shifts proportional to the refractive index change.
    • Achieved ultra-high sensitivity on the order of 10^5 nm/RIU, exceeding conventional sensors by over two orders of magnitude.
    • Demonstrated that low-resolution spectrometers can effectively monitor the amplified peak shifts.

    Conclusions:

    • The cascaded ring resonator design offers a significant advancement in optical sensor sensitivity.
    • This digital optical sensor enables convenient monitoring with integrated micro-spectrometers.
    • The technology holds promise for realizing compact, affordable, and highly sensitive single-chip optical sensing solutions.