Surface plasmon enhanced infrared photodetection
infrared photodetectors have been used extensively in biomedicine, surveillance, communication and astronomy. however, state of the art technology based on Ⅲ-Ⅴ and Ⅱ-Ⅵ compounds still lacks excellent performance for high-temperature operation. surface plasmon polaritons (spps) have demonstrated thei...
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| Autores principales: | , , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Institue of Optics and Electronics, Chinese Academy of Sciences
2019
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/994cad4b3d5c405f88c7e853313306ce |
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| Sumario: | infrared photodetectors have been used extensively in biomedicine, surveillance, communication and astronomy. however, state of the art technology based on Ⅲ-Ⅴ and Ⅱ-Ⅵ compounds still lacks excellent performance for high-temperature operation. surface plasmon polaritons (spps) have demonstrated their capability in improving the light detection from visible to infrared wave range due to their light confinement in subwavelength scale. advanced fabrication techniques such as electron-beam lithography (ebl) and focused ion-beam (fib), and commercially available numerical design tool like finite-difference time-domain (fdtd) have enabled rapid development of surface plasmon (sp) enhanced photodetectors. in this review article, the basic mechanisms behind the sp-enhanced photodetection, the different type of plasmonic nanostructures utilized for enhancement, and the reported sp-enhanced infrared photodetectors will be discussed. |
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