journal article Open Access Feb 01, 2020

Tunable nanophotonics enabled by chalcogenide phase‐change materials

Nanophotonics Vol. 9 No. 5 pp. 1189-1241 · Wiley
View at Publisher Save 10.1515/nanoph-2020-0039
Abstract
Abstract
Nanophotonics has garnered intensive attention due to its unique capabilities in molding the flow of light in the subwavelength regime. Metasurfaces (MSs) and photonic integrated circuits (PICs) enable the realization of mass‐producible, cost‐effective, and efficient flat optical components for imaging, sensing, and communications. In order to enable nanophotonics with multipurpose functionalities, chalcogenide phase‐change materials (PCMs) have been introduced as a promising platform for tunable and reconfigurable nanophotonic frameworks. Integration of non‐volatile chalcogenide PCMs with unique properties such as drastic optical contrasts, fast switching speeds, and long‐term stability grants substantial reconfiguration to the more conventional static nanophotonic platforms. In this review, we discuss state‐of‐the‐art developments as well as emerging trends in tunable MSs and PICs using chalcogenide PCMs. We outline the unique material properties, structural transformation, and thermo‐optic effects of well‐established classes of chalcogenide PCMs. The emerging deep learning‐based approaches for the optimization of reconfigurable MSs and the analysis of light‐matter interactions are also discussed. The review is concluded by discussing existing challenges in the realization of adjustable nanophotonics and a perspective on the possible developments in this promising area.
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Metrics
396
Citations
300
References
Details
Published
Feb 01, 2020
Vol/Issue
9(5)
Pages
1189-1241
License
View
Funding
Air Force Office of Scientific Research
Office of Naval Research Award: N00014‐18‐1‐2055
Cite This Article
Sajjad Abdollahramezani, Omid Hemmatyar, Hossein Taghinejad, et al. (2020). Tunable nanophotonics enabled by chalcogenide phase‐change materials. Nanophotonics, 9(5), 1189-1241. https://doi.org/10.1515/nanoph-2020-0039
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