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- Title
Plasmonic Effect on the Optical Properties in a Hybrid V-Type Three-Level Quantum Dot-Metallic Nanoparticle Nanosystem.
- Authors
Ko, Myong-Chol; Kim, Nam-Chol; Choe, Song-Il; So, Gwang-Hyok; Jang, Pong-Ryol; Kim, Yong-Jin; Kim, Il-Gwang; Li, Jian-Bo
- Abstract
We investigated theoretically the exciton-plasmon coupling effects on the population dynamics and the absorption properties of a hybrid nanosystem composed of a metal nanoparticle (MNP) and a V-type three-level semiconductor quantum dot (SQD), which are created by the interaction with the induced dipole moments in the SQD and the MNP, respectively. Excitons of the SQD and the plasmons of the MNP in such a hybrid nanosystem could be coupled strongly or weakly to demonstrate novel properties of the hybrid system. We also find that the gain happens in such a hybrid system, because of the coherent interaction between the SQD and the MNP. Our results show that the non-linear optical response of the hybrid nanosystem can be greatly enhanced or depressed due to the exciton-plasmon couplings.
- Subjects
EXCITON theory; PLASMONS (Physics); ABSORPTION; QUANTUM dots; METAL nanoparticles
- Publication
Plasmonics, 2018, Vol 13, Issue 1, p39
- ISSN
1557-1955
- Publication type
Article
- DOI
10.1007/s11468-016-0481-1