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Broadband transparent optical phase change materials for high-performance nonvolatile photonics

Optical phase change materials (O-PCMs), a unique group of materials featuring exceptional optical property contrast upon a solid-state phase transition, have found widespread adoption in photonic applications such as switches, routers and reconfigurable meta-optics. Current O-PCMs, such as Ge–Sb–Te...

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Autores principales: Zhang, Yifei, Chou, Jeffrey B., Li, Junying, Li, Huashan, Du, Qingyang, Yadav, Anupama, Zhou, Si, Shalaginov, Mikhail Y., Fang, Zhuoran, Zhong, Huikai, Roberts, Christopher, Robinson, Paul, Bohlin, Bridget, Ríos, Carlos, Lin, Hongtao, Kang, Myungkoo, Gu, Tian, Warner, Jamie, Liberman, Vladimir, Richardson, Kathleen, Hu, Juejun
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6768866/
https://www.ncbi.nlm.nih.gov/pubmed/31570710
http://dx.doi.org/10.1038/s41467-019-12196-4
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author Zhang, Yifei
Chou, Jeffrey B.
Li, Junying
Li, Huashan
Du, Qingyang
Yadav, Anupama
Zhou, Si
Shalaginov, Mikhail Y.
Fang, Zhuoran
Zhong, Huikai
Roberts, Christopher
Robinson, Paul
Bohlin, Bridget
Ríos, Carlos
Lin, Hongtao
Kang, Myungkoo
Gu, Tian
Warner, Jamie
Liberman, Vladimir
Richardson, Kathleen
Hu, Juejun
author_facet Zhang, Yifei
Chou, Jeffrey B.
Li, Junying
Li, Huashan
Du, Qingyang
Yadav, Anupama
Zhou, Si
Shalaginov, Mikhail Y.
Fang, Zhuoran
Zhong, Huikai
Roberts, Christopher
Robinson, Paul
Bohlin, Bridget
Ríos, Carlos
Lin, Hongtao
Kang, Myungkoo
Gu, Tian
Warner, Jamie
Liberman, Vladimir
Richardson, Kathleen
Hu, Juejun
author_sort Zhang, Yifei
collection PubMed
description Optical phase change materials (O-PCMs), a unique group of materials featuring exceptional optical property contrast upon a solid-state phase transition, have found widespread adoption in photonic applications such as switches, routers and reconfigurable meta-optics. Current O-PCMs, such as Ge–Sb–Te (GST), exhibit large contrast of both refractive index (Δn) and optical loss (Δk), simultaneously. The coupling of both optical properties fundamentally limits the performance of many applications. Here we introduce a new class of O-PCMs based on Ge–Sb–Se–Te (GSST) which breaks this traditional coupling. The optimized alloy, Ge(2)Sb(2)Se(4)Te(1), combines broadband transparency (1–18.5 μm), large optical contrast (Δn = 2.0), and significantly improved glass forming ability, enabling an entirely new range of infrared and thermal photonic devices. We further demonstrate nonvolatile integrated optical switches with record low loss and large contrast ratio and an electrically-addressed spatial light modulator pixel, thereby validating its promise as a material for scalable nonvolatile photonics.
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spelling pubmed-67688662019-10-02 Broadband transparent optical phase change materials for high-performance nonvolatile photonics Zhang, Yifei Chou, Jeffrey B. Li, Junying Li, Huashan Du, Qingyang Yadav, Anupama Zhou, Si Shalaginov, Mikhail Y. Fang, Zhuoran Zhong, Huikai Roberts, Christopher Robinson, Paul Bohlin, Bridget Ríos, Carlos Lin, Hongtao Kang, Myungkoo Gu, Tian Warner, Jamie Liberman, Vladimir Richardson, Kathleen Hu, Juejun Nat Commun Article Optical phase change materials (O-PCMs), a unique group of materials featuring exceptional optical property contrast upon a solid-state phase transition, have found widespread adoption in photonic applications such as switches, routers and reconfigurable meta-optics. Current O-PCMs, such as Ge–Sb–Te (GST), exhibit large contrast of both refractive index (Δn) and optical loss (Δk), simultaneously. The coupling of both optical properties fundamentally limits the performance of many applications. Here we introduce a new class of O-PCMs based on Ge–Sb–Se–Te (GSST) which breaks this traditional coupling. The optimized alloy, Ge(2)Sb(2)Se(4)Te(1), combines broadband transparency (1–18.5 μm), large optical contrast (Δn = 2.0), and significantly improved glass forming ability, enabling an entirely new range of infrared and thermal photonic devices. We further demonstrate nonvolatile integrated optical switches with record low loss and large contrast ratio and an electrically-addressed spatial light modulator pixel, thereby validating its promise as a material for scalable nonvolatile photonics. Nature Publishing Group UK 2019-09-30 /pmc/articles/PMC6768866/ /pubmed/31570710 http://dx.doi.org/10.1038/s41467-019-12196-4 Text en © The Author(s) 2019 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Zhang, Yifei
Chou, Jeffrey B.
Li, Junying
Li, Huashan
Du, Qingyang
Yadav, Anupama
Zhou, Si
Shalaginov, Mikhail Y.
Fang, Zhuoran
Zhong, Huikai
Roberts, Christopher
Robinson, Paul
Bohlin, Bridget
Ríos, Carlos
Lin, Hongtao
Kang, Myungkoo
Gu, Tian
Warner, Jamie
Liberman, Vladimir
Richardson, Kathleen
Hu, Juejun
Broadband transparent optical phase change materials for high-performance nonvolatile photonics
title Broadband transparent optical phase change materials for high-performance nonvolatile photonics
title_full Broadband transparent optical phase change materials for high-performance nonvolatile photonics
title_fullStr Broadband transparent optical phase change materials for high-performance nonvolatile photonics
title_full_unstemmed Broadband transparent optical phase change materials for high-performance nonvolatile photonics
title_short Broadband transparent optical phase change materials for high-performance nonvolatile photonics
title_sort broadband transparent optical phase change materials for high-performance nonvolatile photonics
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6768866/
https://www.ncbi.nlm.nih.gov/pubmed/31570710
http://dx.doi.org/10.1038/s41467-019-12196-4
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