Propagation and Absorption of Light in Planar Dielectric Waveguides with Two-Dimensional Semiconductors

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Propagation and Absorption of Light in Planar Dielectric Waveguides with Two-Dimensional Semiconductors

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Title: Propagation and Absorption of Light in Planar Dielectric Waveguides with Two-Dimensional Semiconductors
Author(s):
Gartstein, Yuri N.;
Malko, Anton V.
Date Created: 2017-09-12
Item Type: article
Keywords: Show Keywords
Abstract: Strong optical responses of atomically thin two-dimensional (2D) semiconductors make them attractive candidates for integration into various photonic and optoelectronic structures. We discuss some fundamental effects of such integration into planar dielectric waveguides by demonstrating that a substantial modification of the spectrum of waveguide modes can occur due to high in-plane polarizability of 2D layers. Our calculations illustrate both the conceptual possibilities associated with sharp excitonic resonances as well as the results obtained with the experimentally assessed polarizability of monolayer MoS2 over a broad spectral range. We point out that waveguide structures could also enable the tunable absorption by 2D semiconductors of the light that propagates along them, a modality quite different from the traditional light harvesting geometry.
Publisher: Optical Soc Amer
ISSN: 1094-4087
Source: Optics Express
Link to Related Resource: http://dx.doi.org/10.1364/OE.25.023128
Persistent Link: http://hdl.handle.net/10735.1/5985
Bibliographic Citation: Gartstein, Yuri N., and Anton V. Malko. 2017. "Propagation and absorption of light in planar dielectric waveguides with two-dimensional semiconductors." Optics Express 25(19), doi:10.1364/OE.25.023128
Terms of Use: ©2017 Optical Society of America
Sponsors: Department of Energy, Office of Basic Energy Science (DOE/OBES) grant DE-SC0010697

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