2D hybrid epsilon near-zero platform for nanophotonics

Alessandro Pianelli; Michal Dudek; Urszula Chodorow; Przemyslaw Morawiak; Rafal Kowerdziej; Karol Sielezin; Janusz Parka

doi:10.1117/12.2624246

24 May 2022 2D hybrid epsilon near-zero platform for nanophotonics

Alessandro Pianelli, Michal Dudek, Urszula Chodorow, Przemyslaw Morawiak, Rafal Kowerdziej, Karol Sielezin, Janusz Parka

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Proceedings Volume 12130, Metamaterials XIII; 121300J (2022) https://doi.org/10.1117/12.2624246
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Conference Poster

Abstract

In this work we, propose a tunable 2D-hydrid epsilon-near-zero (ENZ) platform in telecom windows. Taking advantage to the intrinsically ENZ of the Indium-thin-oxide (ITO) and exploiting the graphene capability to dynamically tune the plasmon polaritons we were able to adjust the cross-over frequency, where the epsilon vanishes, in four telecom bandwidth windows. Additionally, tunabilty can be achieved via electrical gating of the ITO leading to an interplay modulation of the surface plasmon polaritons at the graphene-ITO interface. Furthermore, a giant Purcell factor (PF) was observed at ENZ regimes. These results show how 2D-hybrid ENZ materials potentially find applications in multifunctional nonlinear nanophotonic systems such as ultrafast modulators, data processing and photonic quantum computers (QPCs).

Citation Download Citation

Alessandro Pianelli, Michal Dudek, Urszula Chodorow, Przemyslaw Morawiak, Rafal Kowerdziej, Karol Sielezin, and Janusz Parka "2D hybrid epsilon near-zero platform for nanophotonics", Proc. SPIE 12130, Metamaterials XIII, 121300J (24 May 2022); https://doi.org/10.1117/12.2624246

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