DataVXAdvanced Optical MaterialsPaper
journal article·2022-01Open access

Mode‐Center Placement of Monolayer WS2 in a Photonic Polymer Waveguide

Angelina Frank, Justin Zhou, James A. Grieve, Ivan Verzhbitskiy, José Viana‐Gomes, Leyi Loh, Michael Schmid, Kenji Watanabe, Takashi Taniguchi, Goki Eda, Alexander Ling

Advanced Optical Materials· Volume 10· Issue 2
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Abstract

Abstract The effective integration of 2D materials such as monolayer transition metal dichalcogenides (TMDs) into photonic waveguides and integrated circuits is being intensely pursued due to these materials’ strong exciton‐based optical response. This work presents a platform where a 2D heterostructure (WS2‐hBN) is directly integrated into the photonic mode‐center of a novel polymer ridge waveguide. Finite‐difference time‐domain simulations and collection of photoluminescence from the guided mode indicate that this system exhibits significantly improved waveguide‐emitter coupling and mode confinement over a previous elastomer platform. This is facilitated by the platform's enhanced refractive‐index contrast and a new method for mode‐center integration of the coupled TMD. The integration is based on a simple dry‐transfer process that is applicable to other 2D materials, and the platform's elastomeric nature is a natural fit to explore strain‐tunable hybrid‐photonic devices. The demonstrated ability of coupling photoluminescence to a polymer waveguide opens up new possibilities for hybrid‐photonic systems in a variety of contexts.
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Research context

PolymersNanomaterials

OpenAlex topics: 2D Materials and Applications · Luminescence and Fluorescent Materials · Perovskite Materials and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Centre for Quantum Technologies National University of Singapore 3 Science Drive 2 Singapore 117543 Singapore

Department of Physics National University of Singapore 2 Science Drive 3 Singapore 117551 Singapore

Quantum Research Centre Technology Innovation Institute Abu Dhabi UAE

Departamento de Física Centro de Física Campus de Gualtar Braga PT‐4710 ‐ 057 Portugal

4th Physics Institute and Research Center SCoPE University of Stuttgart Pfaffenwaldring 57 70569 Stuttgart Germany

Research Centre for Functional Materials National Institute for Materials Science 1‐1 Namiki Tsukuba Ibaraki 305‐0044 Japan

International Centre for Materials Nanoarchitectonics National Institute for Materials Science 1‐1 Namiki Tsukuba Ibaraki 305‐0044 Japan

Centre for Advanced 2D Materials National University of Singapore 6 Science Drive 2 Singapore 117546 Singapore

Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore

Funding

National Research Foundation Singapore · Deutsche Forschungsgemeinschaft · Ministerium für Wissenschaft, Forschung und Kunst Baden-Württemberg

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