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Mode competitions and dynamical frequency pulling in Mie nanolasers: 3D ab-initio Maxwell-Bloch computations
A Fratalocchi1, C Conti, G Ruocco
11Research Center Enrico Fermi, Via Panisperna 89/A, I-00184, Roma, Italy.
We explored light-matter interactions in spherical Mie nanolasers using advanced simulations. Our findings reveal complex energy dynamics and phenomena like mode competition, enabling tunable nanolaser development.
Area of Science:
- Optics and Photonics
- Quantum Optics
- Nanophotonics
Background:
- Understanding light-matter interactions is crucial for developing advanced optical devices.
- Spherical Mie nanolasers offer unique properties for light manipulation and emission.
Purpose of the Study:
- To rigorously investigate light-matter interaction dynamics in spherical Mie nanolasers.
- To explore the potential for tunable and nonlinearly controlled nanolaser devices.
Main Methods:
- Derivation of a rigorous theory based on three-dimensional vector Maxwell-Bloch equations.
- Numerical solution using a parallel Finite-Difference Time-Domain Maxwell-Bloch (FDTD-MB) code.
Main Results:
- Prediction of nontrivial vectorial energy-matter interplay in the pre-lasing regime.
- Observation of mode competitions and dynamical frequency pulling phenomena.
Conclusions:
- The study provides a theoretical and computational framework for understanding Mie nanolaser dynamics.
- Results pave the way for realizing largely-tunable, nonlinearly controlled nanolaser devices.
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