Electromagnetically Induced Transparency-Like Effect by Dark-Dark Mode Coupling
Electromagnetically induced transparency-like (EIT-like) effect is a promising research area for applications of slow light, sensing and metamaterials. The EIT-like effect is generally formed by the destructive interference of bright-dark mode coupling and bright-bright mode coupling. There are seldom reports about EIT-like effect realized by the coupling of two dark modes. In this paper, we numerically and theoretically demonstrated that the EIT-like effect is achieved through dark-dark mode coupling of two waveguide resonances in a compound nanosystem with metal grating and multilayer structure. If we introduce |1⟩, |2⟩ and |3⟩ to represent the surface plasmon polaritons (SPPs) resonance, waveguide resonance in layer 2, and waveguide resonance in layer 4, the destructive interference occurs between two pathways of |0⟩→|1⟩→|2⟩ and |0⟩→|1⟩→|2⟩→|3⟩→|2⟩, where |0⟩ is the ground state without excitation. Our work will stimulate more studies on EIT-like effect with dark-dark mode coupling in other systems.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:11 |
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| Enthalten in: |
Nanomaterials (Basel, Switzerland) - 11(2021), 5 vom: 20. Mai |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Qiao [VerfasserIn] |
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| Links: |
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| Themen: |
Electromagnetically induced transparency |
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| Anmerkungen: |
Date Revised 15.06.2021 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/nano11051350 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM326139796 |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Electromagnetically induced transparency-like (EIT-like) effect is a promising research area for applications of slow light, sensing and metamaterials. The EIT-like effect is generally formed by the destructive interference of bright-dark mode coupling and bright-bright mode coupling. There are seldom reports about EIT-like effect realized by the coupling of two dark modes. In this paper, we numerically and theoretically demonstrated that the EIT-like effect is achieved through dark-dark mode coupling of two waveguide resonances in a compound nanosystem with metal grating and multilayer structure. If we introduce |1⟩, |2⟩ and |3⟩ to represent the surface plasmon polaritons (SPPs) resonance, waveguide resonance in layer 2, and waveguide resonance in layer 4, the destructive interference occurs between two pathways of |0⟩→|1⟩→|2⟩ and |0⟩→|1⟩→|2⟩→|3⟩→|2⟩, where |0⟩ is the ground state without excitation. Our work will stimulate more studies on EIT-like effect with dark-dark mode coupling in other systems | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a electromagnetically induced transparency | |
| 650 | 4 | |a surface plasmon polaritons | |
| 650 | 4 | |a waveguide resonance | |
| 700 | 1 | |a Kuang, Kaili |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Huixuan |e verfasserin |4 aut | |
| 700 | 1 | |a Chu, Shuwen |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Peng, Wei |e verfasserin |4 aut | |
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