Ultra-low-loss on-chip zero-index materials
Zero-index media: ultra-low loss Calculations suggest that a new design of engineered medium can simultaneously yield a refractive index of zero and low optical loss at the telecommunications wavelength of 1550 nm. The development could lead to applications in nonlinear and quantum optics benefiting...
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2021-01-01
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Series: | Light: Science & Applications |
Online Access: | https://doi.org/10.1038/s41377-020-00436-y |
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doaj-517ebc39d9714b5f8c2cf6c84cbda7562021-01-10T12:22:07ZengNature Publishing GroupLight: Science & Applications2047-75382021-01-011011910.1038/s41377-020-00436-yUltra-low-loss on-chip zero-index materialsTian Dong0Jiujiu Liang1Sarah Camayd-Muñoz2Yueyang Liu3Haoning Tang4Shota Kita5Peipei Chen6Xiaojun Wu7Weiguo Chu8Eric Mazur9Yang Li10State Key Laboratory of Precision Measurement Technology and Instrument, Department of Precision Instrument, Tsinghua UniversityState Key Laboratory of Precision Measurement Technology and Instrument, Department of Precision Instrument, Tsinghua UniversityJohn A. Paulson School of Engineering and Applied Sciences, Harvard UniversityState Key Laboratory of Precision Measurement Technology and Instrument, Department of Precision Instrument, Tsinghua UniversityJohn A. Paulson School of Engineering and Applied Sciences, Harvard UniversityJohn A. Paulson School of Engineering and Applied Sciences, Harvard UniversityCAS Key Laboratory for Nanophotonic Materials and Devices, Nanofabrication Laboratory, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and TechnologyDepartment of Electronic and Information Engineering, Beihang UniversityCAS Key Laboratory for Nanophotonic Materials and Devices, Nanofabrication Laboratory, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and TechnologyJohn A. Paulson School of Engineering and Applied Sciences, Harvard UniversityState Key Laboratory of Precision Measurement Technology and Instrument, Department of Precision Instrument, Tsinghua UniversityZero-index media: ultra-low loss Calculations suggest that a new design of engineered medium can simultaneously yield a refractive index of zero and low optical loss at the telecommunications wavelength of 1550 nm. The development could lead to applications in nonlinear and quantum optics benefiting from an infinite coherence length. The approach of Tian Dong and coworkers from China and the US is to embed an array of silicon pillars (about 180 nm in radius and 1100 nm high) into a matrix of silicon dioxide to create a Dirac-cone photonic-crystal slab. Importantly, if the pillar height is chosen correctly any upwards and downwards radiation out of the slab can be made to destructively interfere thus reducing propagation loss to a level of 0.15 dB/mm. The slab should be possible to fabricate using standard processes.https://doi.org/10.1038/s41377-020-00436-y |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Tian Dong Jiujiu Liang Sarah Camayd-Muñoz Yueyang Liu Haoning Tang Shota Kita Peipei Chen Xiaojun Wu Weiguo Chu Eric Mazur Yang Li |
spellingShingle |
Tian Dong Jiujiu Liang Sarah Camayd-Muñoz Yueyang Liu Haoning Tang Shota Kita Peipei Chen Xiaojun Wu Weiguo Chu Eric Mazur Yang Li Ultra-low-loss on-chip zero-index materials Light: Science & Applications |
author_facet |
Tian Dong Jiujiu Liang Sarah Camayd-Muñoz Yueyang Liu Haoning Tang Shota Kita Peipei Chen Xiaojun Wu Weiguo Chu Eric Mazur Yang Li |
author_sort |
Tian Dong |
title |
Ultra-low-loss on-chip zero-index materials |
title_short |
Ultra-low-loss on-chip zero-index materials |
title_full |
Ultra-low-loss on-chip zero-index materials |
title_fullStr |
Ultra-low-loss on-chip zero-index materials |
title_full_unstemmed |
Ultra-low-loss on-chip zero-index materials |
title_sort |
ultra-low-loss on-chip zero-index materials |
publisher |
Nature Publishing Group |
series |
Light: Science & Applications |
issn |
2047-7538 |
publishDate |
2021-01-01 |
description |
Zero-index media: ultra-low loss Calculations suggest that a new design of engineered medium can simultaneously yield a refractive index of zero and low optical loss at the telecommunications wavelength of 1550 nm. The development could lead to applications in nonlinear and quantum optics benefiting from an infinite coherence length. The approach of Tian Dong and coworkers from China and the US is to embed an array of silicon pillars (about 180 nm in radius and 1100 nm high) into a matrix of silicon dioxide to create a Dirac-cone photonic-crystal slab. Importantly, if the pillar height is chosen correctly any upwards and downwards radiation out of the slab can be made to destructively interfere thus reducing propagation loss to a level of 0.15 dB/mm. The slab should be possible to fabricate using standard processes. |
url |
https://doi.org/10.1038/s41377-020-00436-y |
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