Understanding and Controlling High Harmonic Generation Processes in Hybrid Materials at the Nanoscale
Abstract
The research efforts sponsored by AFOSR NLO program led to multiple collaborative manuscripts published together with experimental and theoretical groups including AFRL lead scientist Dr. Ruth Pachter. The major goal was to develop and field-test the semi-classical hydrodynamic model of conduction electrons in metal to achieve quantitative agreement with experiments. Based on our model we were able to: (a) explain experiments on second harmonic generation by plasmonic nanocrescents; (b) guide experiments on second harmonic generation by tungsten diselenide strongly coupled to gold nanowires; (c) achieve nearly perfect agreement with experiments on second order hyperpolarizabilities of triangular nanoprisms. Our theoretical paper was chosen as the Editor Choice in 2020. Models for quantum materials combined with nonlinear optical response of plasmonic systems were developed and deployed for the first time. Our group now is the only group in the world that can simulate (both qualitatively and quantitatively) nonlinear optical phenomena at exciton-plasmon nano-interfaces. Finally, we developed a new parallel methodology that significantly reduces execution times on supercomputers and can handle both nonlinear metal response and hundreds of thousands of molecules with ro-vibrational degrees of freedom fully accounted for. Overall, the research program has led to 10 publications (8 published and 2 recently submitted and under review) in leading peer-reviewed journals, 16 invited talks.
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 09, 2022
- Accession Number
- AD1231230
Entities
People
- Maxim Sukharev
Organizations
- Arizona State University