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Updated: May 22, 2026

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Trapping of Micro Particles in Nanoplasmonic Optical Lattice

Published on: September 5, 2017

Finite element simulation of microphotonic lasing system.

Chris Fietz¹, Costas Soukoulis

¹Ames Laboratory and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA. fietz.chris@gmail.com

|May 9, 2012

Summary

We developed a faster simulation method for microphotonic systems using the finite element method. This technique speeds up time evolution calculations for four-level gain media, enabling efficient modeling of devices like spaser arrays.

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Area of Science:

Photonics and optical engineering
Computational physics
Materials science

Background:

Microphotonic systems are crucial for advanced optical technologies.
Simulating their dynamic behavior, especially with gain media, is computationally intensive.
Accurate modeling is essential for designing next-generation photonic devices.

Purpose of the Study:

To introduce a novel, accelerated time-domain simulation method for microphotonic systems.
To enable efficient numerical analysis of systems incorporating four-level gain media.
To demonstrate the method's applicability through a relevant example.

Main Methods:

Utilizing the finite element method (FEM) for numerical simulations.
Implementing an approximation by expanding electromagnetic fields around carrier frequencies.

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Developing a two-dimensional model for simulation.

Main Results:

Achieved a significant speedup in time evolution calculations.
Successfully simulated a cylindrical spaser array with a four-level gain medium.
Validated the efficiency and accuracy of the proposed simulation approach.

Conclusions:

The presented FEM-based method offers a computationally efficient approach for microphotonic simulations.
The approximation significantly reduces simulation time for systems with four-level gain media.
This method facilitates the design and optimization of advanced photonic devices, including spaser arrays.