Search research articles

Search research articles

Related Experiment Video

Updated: Jun 22, 2026

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Optical sensing by optimized silicon slot waveguides.

Francesco Dell'Olio¹, Vittorio M Passaro

¹Dipartimento di Elettrotecnica ed Elettronica, Politecnico di Bari, Via E. Orabona 4, 70125 Bari, Italy. passaro@deemail.poliba.it

|June 18, 2009

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

From PPG to Blood Pressure at the Edge: Quantization-Aware Architecture Selection and On-MCU Validation.

Sensors (Basel, Switzerland)·2026

Same author

A multiwavelength photoplethysmography dataset with blood pressure and heart rate reference measurements.

Data in brief·2025

Same author

Point-of-Care Tests via Pollen-Based Nanoplasmonic Chips Combined with a Synthetic Receptor for FKBP12 Biomarker Detection at a Single-Molecule Level.

ACS applied nano materials·2025

Same author

Satellite Constellation Optimization for Emitter Geolocalization Missions Based on Angle of Arrival Techniques.

Sensors (Basel, Switzerland)·2025

Same author

Enhancing Motor Function and Quality of Life Combining Advanced Robotics and Biomechatronics in an Adult with Dystonic Spastic Tetraparesis: A Case Report.

Biomimetics (Basel, Switzerland)·2025

Same author

Dissipative coupling in a Bragg-grating-coupled single resonator with Fano resonance for anti-PT-symmetric gyroscopes.

Optics express·2024

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

Silicon-on-insulator slot waveguides offer high sensitivity for compact optical sensors. These structures show promise for detecting chemical and biochemical changes with integrated photonic devices.

Area of Science:

Photonics and Nanotechnology
Integrated Optics
Chemical Sensing

Background:

Silicon-on-insulator (SOI) nanometer slot waveguides are crucial for integrated optical sensing.
High optical confinement in small regions is key for sensitivity.
Previous studies explored various silicon waveguide structures for sensing applications.

Purpose of the Study:

To theoretically investigate SOI nanometer slot waveguides for chemical and biochemical sensing.
To evaluate their sensitivity to refractive index changes and layer thickness variations.
To compare their performance with other silicon waveguide designs.

Main Methods:

Theoretical analysis of modal and confinement properties of slot waveguides.
Investigation of sensitivity to cover medium refractive index and receptor layer thickness.

More Related Videos

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

Related Experiment Videos

Last Updated: Jun 22, 2026

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

Consideration of fabrication tolerances in the waveguide design.

Comparison of calculated sensitivity with existing literature data for rib and wire waveguides.

Main Results:

Slot waveguides demonstrate high sensitivity due to strong optical confinement in the low-index slot region.
Sensitivity is significantly affected by changes in the surrounding medium and deposited layers.
Fabrication tolerances can influence the waveguide's optical properties and performance.
The proposed slot waveguides exhibit competitive or superior sensitivity compared to other silicon nanometer structures.

Conclusions:

SOI nanometer slot waveguides are highly effective for sensitive and compact integrated optical sensing.
Their design allows for precise detection of chemical and biochemical analytes.
These waveguides represent a promising platform for advanced photonic sensor development.