Broadband low-loss optical phase change materials and devices (Conference Presentation)

Yifei Zhang; Jeffery Chou; Junying Li; Qingyang Du; Qihang Zhang; Huikai Zhong; Anupama Yadav; Myungkoo Kang; Zhuoran Fang; Hanyu Zheng; Mikhail Shalaginov; Tian Gu; Kathleen Richardson; Vladimir Liberman; Juejun Hu

doi:10.1117/12.2297139

14 March 2018 Broadband low-loss optical phase change materials and devices (Conference Presentation)

Yifei Zhang, Jeffery Chou, Junying Li, Qingyang Du, Qihang Zhang, Huikai Zhong, Anupama Yadav, Myungkoo Kang, Zhuoran Fang, Hanyu Zheng, Mikhail Shalaginov, Tian Gu, Kathleen Richardson, Vladimir Liberman, Juejun Hu

Author Affiliations +

Proceedings Volume 10541, Photonic and Phononic Properties of Engineered Nanostructures VIII; 105410H (2018) https://doi.org/10.1117/12.2297139
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

Optical phase change materials (O-PCMs) are a unique class of materials which exhibit extraordinarily large optical property change (e.g. refractive index change > 1) when undergoing a solid-state phase transition. These materials, exemplified by Mott insulators such as VO2 and chalcogenide compounds, have been exploited for a plethora of emerging applications including optical switching, photonic memories, reconfigurable metasurfaces, and non-volatile display. These traditional phase change materials, however, generally suffer from large optical losses even in their dielectric states, which fundamentally limits the performance of optical devices based on traditional O-PCMs. In this talk, we will discuss our progress in developing O-PCMs with unprecedented broadband low optical loss and their applications in novel photonic systems, such as high-contrast switches and routers towards a reconfigurable optical chip.

Conference Presentation

Citation Download Citation

Yifei Zhang, Jeffery Chou, Junying Li, Qingyang Du, Qihang Zhang, Huikai Zhong, Anupama Yadav, Myungkoo Kang, Zhuoran Fang, Hanyu Zheng, Mikhail Shalaginov, Tian Gu, Kathleen Richardson, Vladimir Liberman, and Juejun Hu "Broadband low-loss optical phase change materials and devices (Conference Presentation)", Proc. SPIE 10541, Photonic and Phononic Properties of Engineered Nanostructures VIII, 105410H (14 March 2018); https://doi.org/10.1117/12.2297139

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