Dresden 2017 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 78: Optics and Light-Matter Interaction with Excitons in 2D Materials (SYLM) (joined session DS, DY, HL, TT, organized by HL)

HL 78.3: Hauptvortrag

Donnerstag, 23. März 2017, 16:00–16:30, HSZ 02

Light-matter coupling with atomic monolayers in microcavities — •Christian Schneider — Technische Physik, University of Wuerzburg, Germany

Transition metal dichalcogenides represent a novel emerging class of materials which seems almost ideal to study light-matter coupling in solid state. In this talk, I address the case of a single atomic monolayer embedded in dielectric and metal-based photonic structures. I will discuss the formation of exciton-polaritons from cryogenic temperatures up to ambient conditions in compact and flexible Tamm-structures. I will also discuss peculiarities which arrise from the moderate quality factors in these structures, yielding significantly different anticrossings in luminescence and reflection. Finally, a focus is set on the interplay of excitons and trions, both in the weak and strong coupling limit.