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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
Study on spontaneous emission in complex multilayered plasmonic system via surface integral equation approach with
Yongpin P Chen1, Wei E I Sha, Wallace C H Choy
1School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, China.
Optics Express
|October 6, 2012
Summary
This study presents a new surface integral equation method to accurately simulate spontaneous emission in complex plasmonic nanostructures. The approach enhances the design of optical devices by providing an efficient computational tool.
Area of Science:
- Plasmonics
- Quantum Optics
- Computational Electromagnetics
Background:
- Spontaneous emission is crucial for quantum emitters in plasmonic nanostructures.
- Accurate simulation of these systems is computationally challenging.
- Existing methods struggle with complex geometries and multilayered structures.
Purpose of the Study:
- To develop a rigorous and efficient numerical method for studying spontaneous emission.
- To model quantum emitters in multilayered plasmonic structures with arbitrary nanoscatterers.
- To provide a versatile simulation tool for optical device design.
Main Methods:
- Surface integral equation approach combined with Fermi's golden rule.
- Calculation of local density of states via the imaginary part of the dyadic Green's function.
- Incorporation of layered medium Green's function and discrete complex image method for efficiency.
Main Results:
- A numerical method for calculating spontaneous emission rates is established.
- The approach effectively handles arbitrarily shaped metallic nanoscatterers.
- Computational domain and memory requirements are reduced for multilayered structures.
Conclusions:
- The proposed method offers an accurate and efficient simulation tool for complex plasmonic systems.
- This work facilitates the design and analysis of optical elements and devices.
- The approach is suitable for investigating quantum emitter behavior in nanophotonic structures.
