Next-generation phase change materials for programmable integrated photonics

Otto L. Muskens; Kai Sun; Ioannis Zeimpekis; Daniel Lawson; Callum Wheeler; Sophie Blundell; Kees de Groot; Dan Hewak; David J. Thomson

doi:10.1117/12.2617818

5 March 2022 Next-generation phase change materials for programmable integrated photonics

Otto L. Muskens, Kai Sun, Ioannis Zeimpekis, Daniel Lawson, Callum Wheeler, Sophie Blundell, Kees de Groot, Dan Hewak, David J. Thomson

Author Affiliations +

Proceedings Volume PC12010, Photonic and Phononic Properties of Engineered Nanostructures XII; PC120100M (2022) https://doi.org/10.1117/12.2617818
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

There is an enormous interest in next-generation optical devices that can be programmed or tuned after fabrication. Here I will present our efforts in combining state of the art materials research with advanced optical experiments. The focus is on two different materials platforms, namely low-loss chalcogenide phase change materials using the antimony compounds Sb2S3 and Sb2Se3, and the ultrafast non-volatile phase transitions in W-doped VO2. Antimony-based phase change materials hold potential for opening up truly low loss resonant nanophotonics and metasurface optics, and we are at the beginning of a materials development process to enable these materials in suitable electro-optical-thermal designed applications. Second, a highly controlled method for deposition of W:VO2 has been recently developed in our group using atomic layer deposition. We will show applications of these materials in new devices with tunable thermochromic phase transition down to room temperature.

Conference Presentation

Citation Download Citation

Otto L. Muskens, Kai Sun, Ioannis Zeimpekis, Daniel Lawson, Callum Wheeler, Sophie Blundell, Kees de Groot, Dan Hewak, and David J. Thomson "Next-generation phase change materials for programmable integrated photonics", Proc. SPIE PC12010, Photonic and Phononic Properties of Engineered Nanostructures XII, PC120100M (5 March 2022); https://doi.org/10.1117/12.2617818

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