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Master's Thesis
Author of thesis: Ing. Gabriela Olivíková
Acad. year: 2016/2017
Supervisor: doc. Mgr. Vlastimil Křápek, Ph.D.
Reviewer: Mgr. Lukáš Chvátal
Superradiance is an enhanced decay of an excited system of emitters resulting from their mutual coupling. This thesis is focused on superradiance of the emitters coupled via their interaction with a plasmonic nanoparticle. So-called plasmon-mediated superradiance results in even stronger enhancement of the decay rate as the nanoparticle serves as an additional decay chanel. We have developed a quantum model of the system of emitters coupled to a plasmonic nanoparticle, which allows us to differentiate between a pure dephasing and decay processes. We show that the pure dephasing can destroy the cooperative effect leading to superradiance. Furthermore, we have studied how the direct mutual coupling between emitters affects time evolution of the system in dependence on its configuration, and we show conditions when a decay of the system is dramatically decreased by direct coupling.
Superradiance, pure dephasing, strong coupling, weak coupling, plasmonics
Date of defence
21.06.2017
Result of the defence
Defended (thesis was successfully defended)
Grading
A
Language of thesis
Czech
Faculty
Fakulta strojního inženýrství
Department
Institute of Physical Engineering
Study programme
Applied Sciences in Engineering (M2A-P)
Field of study
Physical Engineering and Nanotechnology (M-FIN)
Composition of Committee
prof. RNDr. Tomáš Šikola, CSc. (předseda) prof. RNDr. Miroslav Liška, DrSc. (místopředseda) prof. RNDr. Bohumila Lencová, CSc. (člen) prof. RNDr. Jiří Komrska, CSc. (člen) prof. RNDr. Petr Dub, CSc. (člen) prof. RNDr. Radim Chmelík, Ph.D. (člen) prof. RNDr. Jiří Spousta, Ph.D. (člen) prof. RNDr. Eduard Schmidt, CSc. (člen) prof. RNDr. Pavel Zemánek, Ph.D. (člen) RNDr. Antonín Fejfar, CSc. (člen)
Supervisor’s reportdoc. Mgr. Vlastimil Křápek, Ph.D.
Grade proposed by supervisor: A
Reviewer’s reportMgr. Lukáš Chvátal
Grade proposed by reviewer: A
Responsibility: Mgr. et Mgr. Hana Odstrčilová