Micro-mechanical assembly and characterization of high-quality Fabry–Pérot microcavities for the integration of two-dimensional materials

Integrating monolayers of two-dimensional semiconductors into optical microcavities is challenging because of the very few available approaches to coat the monolayers with dielectric materials without damaging them. Some strategies have been developed, but they either rely on complicated experimenta...

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Bibliographic Details
Published in:Applied physics letters 2021-03, Vol.118 (10)
Main Authors: Rupprecht, Christoph, Lundt, Nils, Wurdack, Matthias, Stepanov, Petr, Estrecho, Eliezer, Richard, Maxime, Ostrovskaya, Elena A., Höfling, Sven, Schneider, Christian
Format: Article
Language:English
Subjects:
Applied physics
Condensed Matter
Coupling
Dielectrics
Excitons
Mechanical properties
Microcavities
Monolayers
Physics
Q factors
Quantum Gases
Quantum Physics
Two dimensional materials
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Summary:Integrating monolayers of two-dimensional semiconductors into optical microcavities is challenging because of the very few available approaches to coat the monolayers with dielectric materials without damaging them. Some strategies have been developed, but they either rely on complicated experimental settings and expensive technologies or limit the achievable cavity quality factors. Thus, high quality Fabry–Pérot microcavities are not widely available to the community focusing on light-matter coupling in atomically thin materials. Here, we detail a recently developed technique to micro-mechanically assemble Fabry–Pérot microcavities. Our approach promotes strong coupling conditions with excitons in atomically thin materials, it does not rely on difficult or expensive technologies, it is reproducible, and it yields microcavities with quality factors approaching 4000. It is ideally suitable for engineering coupled monolayer-cavity systems of advanced complexity in small-scale laboratories.
ISSN:0003-6951
1077-3118
DOI:10.1063/5.0034851