New phase change materials for active photonics

Cosmin Constantin-Popescu; Mikhail Shalaginov; Fan Yang; Hung-I Lin; Sensong An; Christopher Roberts; Paul Miller; Myungkoo Kang; Kathleen Richardson; Hualiang Zhang; Clara Rivero-Baleine; Hyun Jung Kim; Tian Gu; Steven Vitale; Juejun Hu

doi:10.1117/12.2631038

3 October 2022 New phase change materials for active photonics

Cosmin Constantin-Popescu, Mikhail Shalaginov, Fan Yang, Hung-I Lin, Sensong An, Christopher Roberts, Paul Miller, Myungkoo Kang, Kathleen Richardson, Hualiang Zhang, Clara Rivero-Baleine, Hyun Jung Kim, Tian Gu, Steven Vitale, Juejun Hu

Author Affiliations +

Proceedings Volume 12196, Active Photonic Platforms 2022; 1219606 (2022) https://doi.org/10.1117/12.2631038
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

Phase change materials or PCMs are truly remarkable compounds whose unique switchable properties have fueled an explosion of emerging applications in electronics and photonics. Nonetheless, if we discount their use in optical discs, PCMs’ immense application potential in photonics beyond data recording has only begun to unfold in the past decade. While the material requirements for optical or electronic data storage have been succinctly summarized as five key elements “writability, archival storage, erasability, readability, and cyclability” decades ago, these requirements are not universally relevant to the diverse set of photonic applications now being explored. It also comes as no surprise that existing PCMs, which have been heavily vetted for data storage, are not necessarily the optimal compositions for different use cases in optics and photonics. PCMs with their attributes custom-tailored for specific applications are therefore in demand as phase-change photonics continue to expand. Here we discuss the PCM selection and design strategies specifically for photonic applications as well as our recent work developing active integrated photonic devices and meta-surface optics based on new PCMs tailored for photonics.

Conference Presentation

Citation Download Citation

Cosmin Constantin-Popescu, Mikhail Shalaginov, Fan Yang, Hung-I Lin, Sensong An, Christopher Roberts, Paul Miller, Myungkoo Kang, Kathleen Richardson, Hualiang Zhang, Clara Rivero-Baleine, Hyun Jung Kim, Tian Gu, Steven Vitale, and Juejun Hu "New phase change materials for active photonics", Proc. SPIE 12196, Active Photonic Platforms 2022, 1219606 (3 October 2022); https://doi.org/10.1117/12.2631038

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