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17 March 2023 Programmable and switchable nanophotonics using ultralow-loss phase change materials
Otto L. Muskens, Daniel Lawson, Sophie Blundell, Matthew Delaney, Dan Hewak, Ioannis Zeimpekis
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Proceedings Volume PC12431, Photonic and Phononic Properties of Engineered Nanostructures XIII; PC124310K (2023) https://doi.org/10.1117/12.2661041
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
The ability to actively precisely control the absorption, emission, and flow of light is one of the main features of nanophotonics research. Phase change materials (PCMs) hold promise for achieving energy efficient, set-and-forget reconfigurability over long times which can be used for a range of applications in optical memory, neural networks, trimming, programmable and reconfigurable photonics. To achieve non-volatile control over optical phase without inducing large losses, a next generation of low-loss optical PCMs is needed. Recently, antimony-based materials Sb2S3 and Sb2Se3 have been introduced as a family of PCMs of particular interest for applications in telecoms, near-infrared and visible range. I will present an overview of our work on exploring the properties of Sb2Se3 including time resolved switching, endurance, and applications in silicon photonics and free space optical devices.
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Otto L. Muskens, Daniel Lawson, Sophie Blundell, Matthew Delaney, Dan Hewak, and Ioannis Zeimpekis "Programmable and switchable nanophotonics using ultralow-loss phase change materials", Proc. SPIE PC12431, Photonic and Phononic Properties of Engineered Nanostructures XIII, PC124310K (17 March 2023); https://doi.org/10.1117/12.2661041
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KEYWORDS
Nanophotonics
Absorption
Free space
Neural networks
Optical components
Optical storage
Photonics
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