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Time-domain numerical simulation of the local response of a generic four-level gain system to its excitation with a pump-probe pulse sequence.
A four-level system is a typical model describing the process of lasing. It is widely used to model gain media. PhotonicsGAIN-0D simulates the local response (0-dimenstion) of a generic 4-level system interacting with one or two sequential incident light pulses. The code uses the local electric field, to compute the population kinetics at each energy level, and monitors the polarization evolution in time domain. Then, the effective susceptibility is calculated in frequency domain through the Fast Fourier transform (FFT).
- J. Fang ... Developed the GUI, integrated the FDTD engine, and tested the tool
- L. J. Prokopeva ... Validated the theory, developed the FDTD engine, and tested the tool
- J. Trieschmann ... Validated the theory, and tested the tool
- N. Arnold ... Validated the code with an alternative numerical simulation, and tested the tool
- A. V. Kildishev ... Developed the very first FDTD and FEM prototypes of the code and led the entire effort
- Vlad Drachev, University of North Texas ... useful discussions of the theoretical and experimental details
- Thomas Klar, Johannes Kepler University, Linz Austria ... useful discussions of the theoretical and experimental details
Office of Naval Research Multidisciplinary University Research Initiative (ONR MURI) Grant "Novel Nonlinear Optical Processes in Active, Random and Nanostructured Systems" MURI N00014-13-0649
ERC starting grant "Active NP", #257158
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Researchers should cite this work as follows:
- Jieran Fang; Ludmila Prokopeva; Jan Trieschmann; Nikita Arnold; Alexander V. Kildishev (2012), "PhotonicsGAIN-0D", http://nanohub.org/resources/testgain0d.