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Polymer-Waveguide-Integrated 2D Semiconductor Heterostructures for Optical Communications

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Title
Polymer-Waveguide-Integrated 2D Semiconductor Heterostructures for Optical Communications
Author(s)
Jung Ho Kim; Lee, Jubok; Seo, Changwon; Han, Gang Hee; Byeong Wook Cho; Kim, Jeongyong; Young Hee Lee; Lee, Hyun Seok
Publication Date
2023-12
Journal
Nano Letters, v.23, no.23, pp.11019 - 11025
Publisher
American Chemical Society
Abstract
The demand for high-speed and low-loss interconnects in modern computer architectures is difficult to satisfy by using traditional Si-based electronics. Although optical interconnects offer a promising solution owing to their high bandwidth, low energy dissipation, and high-speed processing, integrating elements such as a light source, detector, and modulator, comprising different materials with optical waveguides, presents many challenges in an integrated platform. Two-dimensional (2D) van der Waals (vdW) semiconductors have attracted considerable attention in vertically stackable optoelectronics and advanced flexible photonics. In this study, optoelectronic components for exciton-based photonic circuits are demonstrated by integrating lithographically patterned poly(methyl methacrylate) (PMMA) waveguides on 2D vdW devices. The excitonic signals generated from the 2D materials by using laser excitation were transmitted through patterned PMMA waveguides. By introducing an external electric field and combining vdW heterostructures, an excitonic switch, phototransistor, and guided-light photovoltaic device on SiO2/Si substrates were demonstrated. © 2023 American Chemical Society.
URI
https://pr.ibs.re.kr/handle/8788114/14477
DOI
10.1021/acs.nanolett.3c03317
ISSN
1530-6984
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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