Rigorous optical modelling of long-wavelength infrared photodetector with 2D subwavelength hole array in gold film

• Autorzy: Janaszek Andrzej , Wróbel Piotr , Dems Maciej , Ceylan Omer , Gurbuz Yasar , Kubiszyn Łukasz , Piotrowski Józef , Kotyński Rafał

Identyfikatory

DOI

10.24425/opelre.2024.148831

• Języki publikacji: EN

Abstrakty

EN

The quantum efficiency of an InAs/InAsSb type-II superlattice (T2SL) high operating temperature (HOT) long-wavelength infrared (LWIR) photodetector may be significantly improved by integrating a two-dimensional subwavelength hole array in a metallic film (2DSHA) with the detector heterostructure. The role of the metallic grating is to couple incident radiation into surface plasmon polariton (SPP) modes whose field overlaps the absorber region. Plasmon-enhanced infrared photodetectors have been recently demonstrated and are the subject of intensive research. Optical modelling of the three-dimensional detector structure with subwavelength metallic components is challenging, especially since its operation depends on evanescent wave coupling. Our modelling approach combines the 3D finite-difference time-domain method (FDTD) and the rigorous coupled wave analysis (RCWA) with a proposed adaptive data-point selection for calculation time reduction. We demonstrate that the 2DSHA-based detector supports SPPs in the Sommerfeld-Zenneck regime and waveguide modes that both enhance absorption in the active layer.

Słowa kluczowe

EN

plasmonics; infrared detector; enhanced absorption; surface plasmon polariton; Fano resonance; Sommerfeld-Zenneck wave

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2024
• Tom: Vol. 32, No. 1
• Strony: art. no. e148831
• Opis fizyczny: Bibliogr. 28 poz., rys., tab., wykr.

Twórcy

autor

Janaszek Andrzej

• VIGO Photonics, Poznańska 129/133, 05-850 Ożarów Mazowiecki, Poland
• Faculty of Physics, University of Warsaw, Pasteura 5, 02-093 Warsaw, Poland

• https://orcid.org/0000-0001-6726-5546

autor

Wróbel Piotr

• Faculty of Physics, University of Warsaw, Pasteura 5, 02-093 Warsaw, Poland

• https://orcid.org/0000-0003-1975-2117

autor

Dems Maciej

• Institute of Physics, Lodz University of Technology, Wólczańska 217/221, 93-005 Łódź, Poland

• https://orcid.org/0000-0002-5576-1021

autor

Ceylan Omer

• Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla, 34956 Istanbul, Turkey

• https://orcid.org/0000-0003-0611-3607

autor

Gurbuz Yasar

• Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla, 34956 Istanbul, Turkey

• https://orcid.org/0000-0002-3495-9047

autor

Kubiszyn Łukasz

• VIGO Photonics, Poznańska 129/133, 05-850 Ożarów Mazowiecki, Poland

• https://orcid.org/0000-0001-6820-2272

autor

Piotrowski Józef

• VIGO Photonics, Poznańska 129/133, 05-850 Ożarów Mazowiecki, Poland

• https://orcid.org/0000-0002-7963-1299

autor

Kotyński Rafał

• Faculty of Physics, University of Warsaw, Pasteura 5, 02-093 Warsaw, Poland

• https://orcid.org/0000-0003-3458-844X

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).