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Updated: May 10, 2025

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Published on: September 26, 2014

One-Dimensional Four-Layered Photonic Heterostructures: Analysis of Transmittance.

Amita Biswal¹, Harekrushna Behera², Dah-Jing Jwo¹

¹Department of Communications, Navigation and Control Engineering, National Taiwan Ocean University, Keelung 202301, Taiwan.

Materials (Basel, Switzerland)

|April 24, 2025

Summary

Researchers analyzed photonic heterostructures, discovering an enhanced band structure influenced by unit cell arrangement. This work offers potential for advanced optical filters in the Terahertz spectrum.

Keywords:

bandgaps light propagation photonic heterostructure transfer matrix method

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Last Updated: May 10, 2025

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Area of Science:

Optics and Photonics
Materials Science

Background:

Photonic heterostructures are engineered materials with unique optical properties.
Understanding their band structure is crucial for developing advanced optical devices.

Purpose of the Study:

To analyze the transmittance and band structure of photonic heterostructures composed of four dielectric materials.
To investigate the influence of unit cell arrangement, layer thickness, and incident angles on photonic bandgaps.

Main Methods:

Utilized the transfer matrix method for analyzing transmittance characteristics and band structure.
Evaluated transmission spectra by varying layer thicknesses and incident angles.

Main Results:

Discovered an enhanced band structure in the analyzed photonic heterostructures.
Demonstrated that unit cell arrangement significantly impacts the band structure and leads to multiple bandgaps.
Observed robust bandgaps with blue shifting and enhanced transmission under varying conditions.

Conclusions:

Photonic heterostructures exhibit tunable bandgaps influenced by structural periodicity and unit cell design.
The findings suggest potential applications in developing efficient band-stop and band-pass filters for Terahertz integrated optical circuits.