Abstract
New-generation nonlinear planar polaritonic devices based on 2D semiconductors demonstrate great potential for a wide range of practical applications. In this work, we experimentally study strong light–matter coupling between waveguide photons and excitons in a photonic system based on dielectric slab waveguides integrated with 2D transition metal dichalcogenides.
Highlights
One of the challenges facing the field of nanophotonics and nanoelectronics is the development of on-chip active photonic devices, where light can be controlled by light of very weak intensity
Along with the study of polaritonic systems where III–V materials are used as an active medium, two-dimensional transition metal dichalcogenides (TMDs) attract the attention of the scientific community because excitons in these monolayer semiconductors have large oscillator strengths and binding energies, which makes them an excellent active medium for new polariton systems, with possibilities of room temperature operation [5]
We demonstrate strong light–matter coupling between waveguide modes and excitons in a photonic system based on slab dielectric waveguides with embedded TMD monolayers as an active medium with high optical nonlinearity
Summary
One of the challenges facing the field of nanophotonics and nanoelectronics is the development of on-chip active photonic devices, where light can be controlled by light of very weak intensity. Strong light-mater coupling has been demonstrated in different designs of photonic structures based on III – V semiconductors. These types of semiconductor structures have been used to demonstrate several interesting nonlinear optical effects associated with exciton-polaritons, such as waveguide polariton lasers [1], parametric effects [2], and polariton solitons [3, 4].
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