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Mid-wave infrared multi-order SPPs resonance by exciting multi-order diffractions in 1D Dammann gratings

Zhengchao Chen, Libin Tang, Qun Hao, Vincent Teng Orcid Logo, Chaoqun Wei, Shichun Xu, Biao Yue

Optics Express, Volume: 33, Issue: 23, Start page: 49016

Swansea University Author: Vincent Teng Orcid Logo

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DOI (Published version): 10.1364/oe.577285

Abstract

Mid-wave infrared photodetectors offer significant potential for a wide range of important applications. Due to their unique sub-wavelength localization properties, infrared photodetectors based on surface plasmon polaritons (SPPs) have garnered considerable research interest. Many of these applicat...

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Published in: Optics Express
ISSN: 1094-4087
Published: Optica Publishing Group 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa70887
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spelling 2026-01-14T13:57:31.6562733 v2 70887 2025-11-12 Mid-wave infrared multi-order SPPs resonance by exciting multi-order diffractions in 1D Dammann gratings 98f529f56798da1ba3e6e93d2817c114 0000-0003-4325-8573 Vincent Teng Vincent Teng true false 2025-11-12 ACEM Mid-wave infrared photodetectors offer significant potential for a wide range of important applications. Due to their unique sub-wavelength localization properties, infrared photodetectors based on surface plasmon polaritons (SPPs) have garnered considerable research interest. Many of these applications require bandwidth response from the infrared photodetectors. In this paper, Dammann gratings (DGs) with a one-dimensional (1D) metal/dielectric layer structure were designed to achieve a diffraction field distribution modulated by a non-sinc function, which in turn was used to excite SPPs resonance. These gratings are capable of supporting multi-order SPPs resonance, facilitating enhanced bandwidth absorption across multiple resonant orders. By varying the combinations of diffraction slit spacings within a single period, the DGs could achieve distinct phase difference distributions. Specifically, DGs with a lattice constant of d = 27.3 μm demonstrated the ability to generate two to four orders of strong diffraction intensity distribution within 4-5 μm range, thereby enabling multi-order resonance-enhanced absorption of SPPs. Furthermore, the SPPs response of the DGs exhibited improved tolerance to variations in polarization angles across a broadband spectrum. This multi-order SPPs resonance-enhanced structure presents significant potential for applications in infrared detection, including the development of large-scale infrared photodetector units. Journal Article Optics Express 33 23 49016 Optica Publishing Group 1094-4087 17 11 2025 2025-11-17 10.1364/oe.577285 COLLEGE NANME Aerospace, Civil, Electrical, and Mechanical Engineering COLLEGE CODE ACEM Swansea University Other National Key Research and Development Program of China (2019YFB2203404); Yunnan Province Innovation Team Project (2018HC020). 2026-01-14T13:57:31.6562733 2025-11-12T15:19:28.6032476 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Zhengchao Chen 1 Libin Tang 2 Qun Hao 3 Vincent Teng 0000-0003-4325-8573 4 Chaoqun Wei 5 Shichun Xu 6 Biao Yue 7 70887__35610__24c256c6b4b1410791254230a1b1447c.pdf 70887.pdf 2025-11-12T15:23:26.6214270 Output 5842682 application/pdf Version of Record true ©2025 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement. true eng https://doi.org/10.1364/OA_License_v2#VOR-OA
title Mid-wave infrared multi-order SPPs resonance by exciting multi-order diffractions in 1D Dammann gratings
spellingShingle Mid-wave infrared multi-order SPPs resonance by exciting multi-order diffractions in 1D Dammann gratings
Vincent Teng
title_short Mid-wave infrared multi-order SPPs resonance by exciting multi-order diffractions in 1D Dammann gratings
title_full Mid-wave infrared multi-order SPPs resonance by exciting multi-order diffractions in 1D Dammann gratings
title_fullStr Mid-wave infrared multi-order SPPs resonance by exciting multi-order diffractions in 1D Dammann gratings
title_full_unstemmed Mid-wave infrared multi-order SPPs resonance by exciting multi-order diffractions in 1D Dammann gratings
title_sort Mid-wave infrared multi-order SPPs resonance by exciting multi-order diffractions in 1D Dammann gratings
author_id_str_mv 98f529f56798da1ba3e6e93d2817c114
author_id_fullname_str_mv 98f529f56798da1ba3e6e93d2817c114_***_Vincent Teng
author Vincent Teng
author2 Zhengchao Chen
Libin Tang
Qun Hao
Vincent Teng
Chaoqun Wei
Shichun Xu
Biao Yue
format Journal article
container_title Optics Express
container_volume 33
container_issue 23
container_start_page 49016
publishDate 2025
institution Swansea University
issn 1094-4087
doi_str_mv 10.1364/oe.577285
publisher Optica Publishing Group
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
document_store_str 1
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description Mid-wave infrared photodetectors offer significant potential for a wide range of important applications. Due to their unique sub-wavelength localization properties, infrared photodetectors based on surface plasmon polaritons (SPPs) have garnered considerable research interest. Many of these applications require bandwidth response from the infrared photodetectors. In this paper, Dammann gratings (DGs) with a one-dimensional (1D) metal/dielectric layer structure were designed to achieve a diffraction field distribution modulated by a non-sinc function, which in turn was used to excite SPPs resonance. These gratings are capable of supporting multi-order SPPs resonance, facilitating enhanced bandwidth absorption across multiple resonant orders. By varying the combinations of diffraction slit spacings within a single period, the DGs could achieve distinct phase difference distributions. Specifically, DGs with a lattice constant of d = 27.3 μm demonstrated the ability to generate two to four orders of strong diffraction intensity distribution within 4-5 μm range, thereby enabling multi-order resonance-enhanced absorption of SPPs. Furthermore, the SPPs response of the DGs exhibited improved tolerance to variations in polarization angles across a broadband spectrum. This multi-order SPPs resonance-enhanced structure presents significant potential for applications in infrared detection, including the development of large-scale infrared photodetector units.
published_date 2025-11-17T05:34:00Z
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score 11.095902

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