The use of chalcogenide phase change materials for optical phase control and its plasmonic applications

Seung-Yeol Lee

doi:10.1117/12.2518381

13 May 2019 The use of chalcogenide phase change materials for optical phase control and its plasmonic applications

Seung-Yeol Lee

Proceedings Volume 10982, Micro- and Nanotechnology Sensors, Systems, and Applications XI; 109820T (2019) https://doi.org/10.1117/12.2518381
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States

Abstract

In the field of nanophotonics, nanostructures for active tuning of optical phase has emerged as a versatile platform for novel types of spatial light modulators, integrated optical devices, and ultrahigh resolution display pixels. Tuning of optical wavefronts with phase change materials (PCMs) such as Ge2Sb2Te5 can manipulate an actively-tuned artificial wavefront with the convergence of metasurface design technology. Various light phenomena such as perfect absorbers, beaming angle tweezers, and arbitrary phase profile generations for optical hologram applications have been achieved with active platform by adopting PCMs into optical nanostructures. The presentation will also introduce some plasmonic applications such as optical switches and directional launchers, which can be operated by phase change of Ge₂Sb₂Te₅.

Conference Presentation

Citation Download Citation

Seung-Yeol Lee "The use of chalcogenide phase change materials for optical phase control and its plasmonic applications", Proc. SPIE 10982, Micro- and Nanotechnology Sensors, Systems, and Applications XI, 109820T (13 May 2019); https://doi.org/10.1117/12.2518381

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