Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

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

Precision Extraction of the Deuteron Electric Polarizability via the Baldin Sum Rule with Full Low-Energy Coverage.

Physical review letters·2026

Same author

Electrical tracking-assisted cascaded microring biosensor for alpha-fetoprotein detection.

Biosensors & bioelectronics·2026

Same author

Uniform low-loss cyclic arrayed waveguide grating router with input splitters and output combiners.

Optics letters·2025

Same author

Wavelength locking and parameter calibration method for V-cavity tunable modules.

Optics express·2025

Same author

GaSb-based widely tunable V-coupled-cavity laser with 255 nm wavelength tuning near 2 µm.

Optics letters·2025

Same author

Thermo-Tuning Fourier Transform Spectrometer Based on SU-8 Waveguide.

Polymers·2025

Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026

Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026

Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026

Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026

Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026

Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026

See all related articles

Search research articles

Related Experiment Video

Updated: May 1, 2026

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Published on: May 11, 2014

Optical waveguide double-ring sensor using intensity interrogation with a low-cost broadband source.

Lei Jin¹, Mingyu Li, Jian-Jun He

¹Centre for Integrated Optoelectronics, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou, China 310027.

|April 12, 2011

Summary

This summary is machine-generated.

This study introduces a highly sensitive optical waveguide sensor using cascaded microring resonators. The novel design achieves ultrahigh sensitivity for refractive index sensing, offering a low-cost solution for practical applications.

More Related Videos

Implementation of a Reference Interferometer for Nanodetection

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

Published on: December 22, 2015

Related Experiment Videos

Last Updated: May 1, 2026

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Published on: May 11, 2014

Implementation of a Reference Interferometer for Nanodetection

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

Published on: December 22, 2015

Area of Science:

Photonics
Optical Sensing
Nanotechnology

Background:

Optical waveguide sensors are crucial for detecting analytes.
Existing sensors often face limitations in sensitivity or cost.
Microring resonators offer unique optical properties for sensing applications.

Purpose of the Study:

To propose and investigate a novel optical waveguide sensor.
To achieve ultrahigh sensitivity in refractive index measurements.
To demonstrate a low-cost sensing scheme for practical applications.

Main Methods:

Designing a sensor with two cascaded microring resonators.
Utilizing simple intensity interrogation with a broadband light source.
Analyzing the shift in the envelope function of transmission peaks.

Main Results:

Achieved an ultrahigh sensitivity of 2 × 10⁴ dB/RIU.
Demonstrated a large change in transmitted power due to refractive index variations.
Validated the sensor's operation principle through experimental results.

Conclusions:

The proposed double-ring sensor offers ultrahigh sensitivity and a low-cost solution.
The intensity interrogation method is effective for this sensing scheme.
The sensor shows significant potential for various practical sensing applications.