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Related Experiment Video

Updated: Jun 27, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Improving solid to hollow core transmission for integrated ARROW waveguides.

Evan J Lunt¹, Philip Measor, Brian S Phillips

¹ECEn Department, Brigham Young University, 459 Clyde Building, Provo, UT 84602, USA.

|December 10, 2008

Summary

This summary is machine-generated.

A new anti-resonant reflecting optical waveguide (ARROW) design improves light transmission at interfaces between solid and hollow waveguides. This novel SiO2 coating enhances optical throughput for bioanalysis and spectroscopy applications.

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Area of Science:

Optoelectronics
Integrated Optics
Biophotonics

Background:

Anti-resonant reflecting optical waveguides (ARROWs) with hollow cores are utilized in bioanalysis and atomic spectroscopy.
Efficient light coupling between solid and hollow waveguides is crucial for integrated optical sensing platforms.
Existing ARROW designs face limitations due to light passing through anti-resonant layers at interfaces.

Purpose of the Study:

To introduce a novel ARROW design for enhanced interface transmission.
To improve light coupling efficiency between solid and hollow waveguides in optical sensing platforms.
To enable higher optical throughput in integrated waveguide systems.

Main Methods:

Development of a new ARROW design featuring SiO2 coatings on the top and sides of the hollow core.
Experimental validation of interface transmission improvements.
Analysis of optical throughput based on waveguide length and coating parameters.

Main Results:

The new SiO2-coated ARROW design significantly increases interface transmission from 35% to 79%.
High interface transmission is achievable with single SiO2 coatings for hollow waveguides shorter than 5.8 mm.
The improved design overcomes limitations of previous ARROW interfaces.

Conclusions:

The proposed SiO2 coating strategy offers a substantial advancement in ARROW-based optical sensing.
This design facilitates more efficient light coupling, leading to higher optical throughput.
The findings are significant for the development of next-generation integrated photonic devices for sensing.