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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
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Buried Rib SiO2 Multimode Interference Waveguides for Optofluidic Multiplexing
Matthew A Stott1, Vahid Ganjalizadeh2, Gopikrishnan Meena2
1Department of Electrical and Computer Engineering, Brigham Young University, Provo, UT 84602 USA.
IEEE Photonics Technology Letters : a Publication of the IEEE Laser and Electro-Optics Society
|January 9, 2019
Summary
Optimizing buried multimode interference (MMI) rib waveguides improves spot pattern fidelity for sensitive disease diagnostics on optofluidic chips. This research details design parameters for enhanced biosensor performance.
Area of Science:
- Optics and Photonics
- Biomedical Engineering
- Materials Science
Background:
- Multimode interference (MMI) waveguides create wavelength-dependent spot patterns for simultaneous analyte detection on optofluidic chips.
- High-fidelity spot patterns are crucial for sensitive disease diagnostics and accurate target identification.
- Buried rib structures in SiO2 waveguides enhance environmental stability.
Purpose of the Study:
- To explore design parameters for buried MMI rib waveguides.
- To optimize these waveguides for high-fidelity spot pattern generation.
- To investigate their application in advanced biosensors.
Main Methods:
- Experimental fabrication and characterization of buried MMI rib waveguides.
- Optical simulation using anti-resonant reflecting optical waveguide principles.
- Analysis of design parameters including rib height and width.
Main Results:
- Identified optimal rib heights and widths for buried MMI rib waveguides.
- Demonstrated the capability to produce high-fidelity spot patterns.
- Reported performance metrics for an optimized biosensor design.
Conclusions:
- Buried MMI rib waveguides offer a pathway to enhanced optofluidic biosensors.
- Optimized design parameters are critical for achieving high-fidelity spot patterns.
- This technology holds promise for sensitive and accurate disease diagnostics.
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