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Four-Wave Mixing in Asymmetric Double Quantum Dot Molecule – Metal Nanoparticle Assemblies
Proceedings of 2nd International Online-Conference on Nanomaterials
In this study, the four-wave mixing (FWM) spectrum of a strongly pumped hybrid structure is theoretically examined. The hybrid structure consists of an asymmetric double semiconductor quantum dot (SQD) molecule and a spherical metal nanoparticle (MNP), which are coupled together via long-range Coulomb interaction. Having as a starting point the Hamiltonian of the system, in the dipole and the rotating-wave approximations, we derive a set of nonlinear density matrix equations, which aredoi:10.3390/iocn2020-07843 fatcat:q5dk5dn76vcazklkcbhz2r33yq