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Updated: Jul 25, 2025

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Efficient Light Coupling and Purcell Effect Enhancement for Interlayer Exciton Emitters in 2D Heterostructures
Alexandra D Gartman1, Alexander S Shorokhov1, Andrey A Fedyanin1
1Faculty of Physics, Lomonosov Moscow State University, Moscow 119991, Russia.
Abstract:
Optimal design of a silicon nitride waveguide structure composed of resonant nanoantennas for efficient light coupling with interlayer exciton emitters in a MoSe2-WSe2 heterostructure is proposed. Numerical simulations demonstrate up to eight times coupling efficiency improvement and twelve times Purcell effect enhancement in comparison with a conventional strip waveguide. Achieved results can be beneficial for development of on-chip non-classical light sources.
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