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Photonic polymeric structures and electrodynamics simulation method based on a coupled oscillator finite-difference
Optics Express
|May 14, 2021
Summary
We fabricated 2.5D micropillar arrays using laser-based two-photon polymerization. Our novel simulation method accurately predicts scattering properties for various photonic components.
Area of Science:
- Photonics
- Materials Science
- Computational Electrodynamics
Background:
- Two-photon polymerization (TPP) is a versatile technique for microfabrication.
- Accurate simulation of light scattering from microstructures is crucial for photonic device design.
Purpose of the Study:
- To fabricate and characterize 2.5D micropillar arrays using TPP.
- To develop and validate a novel electrodynamics simulation method for photonic components.
Main Methods:
- Fabrication of 2.5D micropillar arrays via femtosecond laser-based two-photon polymerization (TPP).
- Characterization of scattering properties using an angular detection setup.
- Development of a novel 2D coupled Oscillator Finite-Difference Time-Domain (O-FDTD) algorithm based on the Lorentz Oscillator Model and leapfrog time differentiation.
Main Results:
- Successful fabrication of 2.5D micropillar arrays.
- Experimental scattering properties were compared with simulation results.
- The O-FDTD method demonstrated accuracy in predicting the behavior of various photonic components.
Conclusions:
- The developed O-FDTD simulation method is a reliable tool for analyzing photonic devices.
- TPP is effective for creating complex microstructures for photonic applications.
- Accurate simulation and experimental characterization are key to advancing photonic device development.
