Ultra-high optomechanical EUV-hypersound coupling rate in phoxonic crystal structures based on 2D MWCNTs array

Abstract We have studied the optomechanical properties of phoxonic crystals based on multiwall carbon nanotubes (MWCNT) theoretically and demonstrated that optical waves in the range of extreme ultraviolet (EUV—i.e., several PHz) interact with hypersonic (several GHz) mechanical waves excited in sur...

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Main Authors: Yasser Shamsollahi, Mohammad Kazem Moravvej-Farshi
Format: Article
Language:English
Published: Nature Portfolio 2025-04-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-025-96785-y
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author Yasser Shamsollahi
Mohammad Kazem Moravvej-Farshi
author_facet Yasser Shamsollahi
Mohammad Kazem Moravvej-Farshi
author_sort Yasser Shamsollahi
collection DOAJ
description Abstract We have studied the optomechanical properties of phoxonic crystals based on multiwall carbon nanotubes (MWCNT) theoretically and demonstrated that optical waves in the range of extreme ultraviolet (EUV—i.e., several PHz) interact with hypersonic (several GHz) mechanical waves excited in surface acoustic wave (SAW) devices. We have shown the possibility of obtaining optomechanical coupling rates in the range of 2.78 to 63.56 THz nm−1, which is at least an order of magnitude higher than those reported to date. Such ultra-high coupling rates are achievable by utilizing an array of high aspect ratio CNTs with nanometer spacing to produce photonic and phononic crystal structures such as cavities and waveguides known as phoxonic crystals. We also show how mode analysis could be utilized to recognize pattern disorders of experimentally grown MWCNT arrays.
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spelling doaj-art-fc53340a4b31493aa94c3a8b4ad55b3c2025-08-20T03:14:06ZengNature PortfolioScientific Reports2045-23222025-04-0115111010.1038/s41598-025-96785-yUltra-high optomechanical EUV-hypersound coupling rate in phoxonic crystal structures based on 2D MWCNTs arrayYasser Shamsollahi0Mohammad Kazem Moravvej-Farshi1Nano Plasmo-Photonic Research Group, Faculty of Electrical and Computer Engineering, Tarbiat Modares UniversityNano Plasmo-Photonic Research Group, Faculty of Electrical and Computer Engineering, Tarbiat Modares UniversityAbstract We have studied the optomechanical properties of phoxonic crystals based on multiwall carbon nanotubes (MWCNT) theoretically and demonstrated that optical waves in the range of extreme ultraviolet (EUV—i.e., several PHz) interact with hypersonic (several GHz) mechanical waves excited in surface acoustic wave (SAW) devices. We have shown the possibility of obtaining optomechanical coupling rates in the range of 2.78 to 63.56 THz nm−1, which is at least an order of magnitude higher than those reported to date. Such ultra-high coupling rates are achievable by utilizing an array of high aspect ratio CNTs with nanometer spacing to produce photonic and phononic crystal structures such as cavities and waveguides known as phoxonic crystals. We also show how mode analysis could be utilized to recognize pattern disorders of experimentally grown MWCNT arrays.https://doi.org/10.1038/s41598-025-96785-y
spellingShingle Yasser Shamsollahi
Mohammad Kazem Moravvej-Farshi
Ultra-high optomechanical EUV-hypersound coupling rate in phoxonic crystal structures based on 2D MWCNTs array
Scientific Reports
title Ultra-high optomechanical EUV-hypersound coupling rate in phoxonic crystal structures based on 2D MWCNTs array
title_full Ultra-high optomechanical EUV-hypersound coupling rate in phoxonic crystal structures based on 2D MWCNTs array
title_fullStr Ultra-high optomechanical EUV-hypersound coupling rate in phoxonic crystal structures based on 2D MWCNTs array
title_full_unstemmed Ultra-high optomechanical EUV-hypersound coupling rate in phoxonic crystal structures based on 2D MWCNTs array
title_short Ultra-high optomechanical EUV-hypersound coupling rate in phoxonic crystal structures based on 2D MWCNTs array
title_sort ultra high optomechanical euv hypersound coupling rate in phoxonic crystal structures based on 2d mwcnts array
url https://doi.org/10.1038/s41598-025-96785-y
work_keys_str_mv AT yassershamsollahi ultrahighoptomechanicaleuvhypersoundcouplingrateinphoxoniccrystalstructuresbasedon2dmwcntsarray
AT mohammadkazemmoravvejfarshi ultrahighoptomechanicaleuvhypersoundcouplingrateinphoxoniccrystalstructuresbasedon2dmwcntsarray