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Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

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Published on: August 30, 2012

Terahertz disk resonator on a substrateless dielectric waveguide platform.

Panisa Dechwechprasit, Rajour Tanyi Ako, Sharath Sriram

|September 1, 2023

Summary

This summary is machine-generated.

We developed novel terahertz integrated disk resonators on a low-loss silicon platform. These resonators achieve a high quality factor (Q-factor) and tunable resonance, enabling advanced sensing and communication applications.

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Last Updated: Jul 17, 2025

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Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Area of Science:

Integrated photonics
Terahertz (THz) technology
Resonant cavity devices

Background:

Terahertz integrated systems rely on resonant cavities, but existing platforms suffer from high losses.
Developing low-loss platforms is crucial for enhancing the performance of THz devices.

Purpose of the Study:

To propose and demonstrate a series of integrated disk resonators on a substrateless silicon waveguide platform.
To achieve high quality factor (Q-factor) and tunable resonance in THz integrated systems.

Main Methods:

Fabrication of disk resonators integrated into a low-loss, substrateless silicon waveguide.
Utilizing an effective medium for controlling resonance and Q-factor.
Optical power modulation for tuning resonator characteristics.

Main Results:

Demonstrated Q-factors up to 9146 at 274.4 GHz, attributed to the low-loss platform.
Observed strong tunability of resonance under moderate optical power.
Validated the effectiveness of the substrateless silicon waveguide for high-performance THz resonators.

Conclusions:

The proposed terahertz integrated disk resonators offer superior performance due to the low-loss platform.
These resonators exhibit significant tunability, making them suitable for dynamic applications.
The developed technology paves the way for advanced THz sensing and communication systems.