Lossless and stable propagation of surface plasmon polaritons in quasi-PT potential
We propose a scheme to study the propagation properties of surface plasmon polaritons (SPPs) in a dielectric/metal/dielectric waveguide with a refraction index of the dielectric modulated as quasi-PT -symmetric potentials. By treating the propagation loss of SPPs as the absorption background, we pro...
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| Veröffentlicht in: | Optics letters 2024-11, Vol.49 (21), p.6289 |
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| container_issue | 21 |
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| container_title | Optics letters |
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| creator | Han, Zhengkai Li, Deen Ding, Weisheng Tan, Chaohua |
| description | We propose a scheme to study the propagation properties of surface plasmon polaritons (SPPs) in a dielectric/metal/dielectric waveguide with a refraction index of the dielectric modulated as quasi-PT -symmetric potentials. By treating the propagation loss of SPPs as the absorption background, we prove that a total gain–loss balance system which allows SPPs losslessly and stably propagating can be achieved. In addition, the propagation robustness of single peak and dipole peak transverse structured SPPs in quasi-PT -symmetric potentials under noise perturbations is discussed. The results may have certain significance for expanding applications of non-Hermitian optics in micro-/nano-optical information processing. |
| doi_str_mv | 10.1364/OL.538062 |
| format | Article |
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By treating the propagation loss of SPPs as the absorption background, we prove that a total gain–loss balance system which allows SPPs losslessly and stably propagating can be achieved. In addition, the propagation robustness of single peak and dipole peak transverse structured SPPs in quasi-PT -symmetric potentials under noise perturbations is discussed. The results may have certain significance for expanding applications of non-Hermitian optics in micro-/nano-optical information processing.</description><identifier>ISSN: 0146-9592</identifier><identifier>EISSN: 1539-4794</identifier><identifier>DOI: 10.1364/OL.538062</identifier><language>eng</language><publisher>Washington: Optical Society of America</publisher><subject>Background noise ; Data processing ; Dielectric waveguides ; Dipoles ; Gain-Loss ; Lossless materials ; Noise propagation ; Plasmons ; Polaritons ; Wave propagation</subject><ispartof>Optics letters, 2024-11, Vol.49 (21), p.6289</ispartof><rights>Copyright Optical Society of America Nov 1, 2024</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids></links><search><creatorcontrib>Han, Zhengkai</creatorcontrib><creatorcontrib>Li, Deen</creatorcontrib><creatorcontrib>Ding, Weisheng</creatorcontrib><creatorcontrib>Tan, Chaohua</creatorcontrib><title>Lossless and stable propagation of surface plasmon polaritons in quasi-PT potential</title><title>Optics letters</title><description>We propose a scheme to study the propagation properties of surface plasmon polaritons (SPPs) in a dielectric/metal/dielectric waveguide with a refraction index of the dielectric modulated as quasi-PT -symmetric potentials. 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The results may have certain significance for expanding applications of non-Hermitian optics in micro-/nano-optical information processing.</description><subject>Background noise</subject><subject>Data processing</subject><subject>Dielectric waveguides</subject><subject>Dipoles</subject><subject>Gain-Loss</subject><subject>Lossless materials</subject><subject>Noise propagation</subject><subject>Plasmons</subject><subject>Polaritons</subject><subject>Wave propagation</subject><issn>0146-9592</issn><issn>1539-4794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNotjk1LxDAURYMoOI4u_AcB1x3z3XQpgzpCYQS7H17aRDrUpNOX_n8DurqHs7j3EvLI2Y5Lo56P7U5Ly4y4IhuuZVOpulHXZMO4MlWjG3FL7hDPjDFTS7khX21CnDwihThQzOAmT-clzfANeUyRpkBxXQL0RU-AP0XNaYJlzCkiHSO9rIBj9dkVnX3MI0z35CbAhP7hP7eke3vt9oeqPb5_7F_aajaKVWCN6K0zg1GghREhSICCzvtgNEjLmQ4OlLMNGwpxrrSoXfCut-AtyC15-qstdy-rx3w6p3WJZfEkuTC1sYJZ-QuTgVIV</recordid><startdate>20241101</startdate><enddate>20241101</enddate><creator>Han, Zhengkai</creator><creator>Li, Deen</creator><creator>Ding, Weisheng</creator><creator>Tan, Chaohua</creator><general>Optical Society of America</general><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20241101</creationdate><title>Lossless and stable propagation of surface plasmon polaritons in quasi-PT potential</title><author>Han, Zhengkai ; Li, Deen ; Ding, Weisheng ; Tan, Chaohua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p640-a862c8b6d64a5262ff3aa4a5beef65a38105fba4b890d5fb114527bfebc8ae8a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Background noise</topic><topic>Data processing</topic><topic>Dielectric waveguides</topic><topic>Dipoles</topic><topic>Gain-Loss</topic><topic>Lossless materials</topic><topic>Noise propagation</topic><topic>Plasmons</topic><topic>Polaritons</topic><topic>Wave propagation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Han, Zhengkai</creatorcontrib><creatorcontrib>Li, Deen</creatorcontrib><creatorcontrib>Ding, Weisheng</creatorcontrib><creatorcontrib>Tan, Chaohua</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Optics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Han, Zhengkai</au><au>Li, Deen</au><au>Ding, Weisheng</au><au>Tan, Chaohua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Lossless and stable propagation of surface plasmon polaritons in quasi-PT potential</atitle><jtitle>Optics letters</jtitle><date>2024-11-01</date><risdate>2024</risdate><volume>49</volume><issue>21</issue><spage>6289</spage><pages>6289-</pages><issn>0146-9592</issn><eissn>1539-4794</eissn><abstract>We propose a scheme to study the propagation properties of surface plasmon polaritons (SPPs) in a dielectric/metal/dielectric waveguide with a refraction index of the dielectric modulated as quasi-PT -symmetric potentials. By treating the propagation loss of SPPs as the absorption background, we prove that a total gain–loss balance system which allows SPPs losslessly and stably propagating can be achieved. In addition, the propagation robustness of single peak and dipole peak transverse structured SPPs in quasi-PT -symmetric potentials under noise perturbations is discussed. The results may have certain significance for expanding applications of non-Hermitian optics in micro-/nano-optical information processing.</abstract><cop>Washington</cop><pub>Optical Society of America</pub><doi>10.1364/OL.538062</doi></addata></record> |
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| ispartof | Optics letters, 2024-11, Vol.49 (21), p.6289 |
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| language | eng |
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| source | Optica Publishing Group Journals |
| subjects | Background noise Data processing Dielectric waveguides Dipoles Gain-Loss Lossless materials Noise propagation Plasmons Polaritons Wave propagation |
| title | Lossless and stable propagation of surface plasmon polaritons in quasi-PT potential |
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