Journal
LASER & PHOTONICS REVIEWS
Volume 13, Issue 1, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/lpor.201800071
Keywords
active plasmonics; gain media; lasers; loss compensation; spasers
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Funding
- DARPA/DSO Extreme Optics and Imaging (EXTREME) Program [HR00111720032]
- Office of Naval Research Grant [MURI N00014-13-0649]
- ERC [257158]
- Incubation Program of Universities' Preponderant Discipline of Shandong Province, China [03010304]
- Mountain Tai Young Scholarship [23170504]
- Linz Institute of Technology (LIT), project ADAPT
- Austrian Science Fund (FWF) [P 29603]
- European Research Council (ERC) [257158] Funding Source: European Research Council (ERC)
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A systematic approach to investigate lasing and net amplification in plasmonic structures with a finite-difference time-domain method coupled to the rate equations of four-level and six-level atomic systems is developed. The experiment-fitted kinetic parameters are fed into the model to study the mechanism of the coupling of metamaterials and metasurfaces with the gain medium. With the help of such an accurate model, net amplification can be distinguished from time-resolved lasing dynamics for the plasmonic systems coupled with gain.
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