Tunable photonic nanostructures based on atomically thin semiconductors

Alexey Ustinov; Anna Fedotova; Katsuya Tanaka; Vipin Krishna; Duk-Yong Choi; Giancarlo Soavi; Frank Setzpfandt; Thomas Pertsch; Isabelle Staude

doi:10.1117/12.3017523

11 June 2024 Tunable photonic nanostructures based on atomically thin semiconductors

Alexey Ustinov, Anna Fedotova, Katsuya Tanaka, Vipin Krishna, Duk-Yong Choi, Giancarlo Soavi, Frank Setzpfandt, Thomas Pertsch, Isabelle Staude

Author Affiliations +

Proceedings Volume PC12990, Metamaterials XIV; PC129901F (2024) https://doi.org/10.1117/12.3017523
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Hybrid nanophotonic systems consisting of resonant dielectric nanostructures integrated with single or few layers of transition metal dichalcogenides (2D-TMDs) offer important opportunities for active nanophotonic systems featuring an actively tunable response. While the resonant nanophotonic structures serve to enhance the light-matter interaction in the atomically thin membranes, the 2D-TMDs exhibit tunable excitonic properties. However, the experimental realization and demonstration of active functionalities in such hybrid systems remains challenging. Here, we experimentally realize resonant high-index dielectric meta-waveguides and metasurfaces integrated with various species of 2D-TMDs. We demonstrate voltage tuning of the systems’ transmittance and photoluminescent properties, as well as of their polarization dependence. Our results show that hybridization with 2D-TMDs can serve to render resonant photonic nanostructures tunable and time-variant – important properties for practical applications in optical analog computers and neuromorphic circuits.

Conference Presentation

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Alexey Ustinov, Anna Fedotova, Katsuya Tanaka, Vipin Krishna, Duk-Yong Choi, Giancarlo Soavi, Frank Setzpfandt, Thomas Pertsch, and Isabelle Staude "Tunable photonic nanostructures based on atomically thin semiconductors", Proc. SPIE PC12990, Metamaterials XIV, PC129901F (11 June 2024); https://doi.org/10.1117/12.3017523

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