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Title: Guided-mode resonance based multicolor germanium infrared photodetector
Authors: Yılmaz, Yusuf Abdulaziz
Hayran, Z.
Yıldız, F.
Kılınç, Takiyettin Oytun
Karabacak, C.
Bor, E.
Kurt, Hamza
Keywords: Photodetectors
dot infrared
Issue Date: Aug-2017
Publisher: IEEE Computer Society
Source: Yilmaz, Y. A., Hayran, Z., Yildiz, F., Kilinç, T. O., Karabacak, C., Bor, E., and Kurt, H. (2017, July). Guided-mode resonance based multicolor germanium infrared photodetector. In 2017 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD) (pp. 209-210). IEEE.
Series/Report no.: Proceedings of the International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD
Abstract: A compact low-cost multicolor germanium (Ge) infrared photodetector is designed by utilizing the guided-mode resonance condition of a one-dimensional grating with adiabatically tuned (or so-called chirped) in-plane periodicity. It is shown numerically that the resonance phenomenon is accompanied by a spectral splitting, as every wavevector component is matched with different instantaneous local in-plane periods. In result, the proposed photodetector enables multi-wavelength photon absorption up to 61% efficiency and an ideal responsivity up to 0.63 A/W over a 70 nm bandwidth, while maintaining a very small active region of 0.413 ?m2. The reported results provide a very valuable insight into highly miniaturized ultra-compact multicolor photodetection schemes. © 2017 IEEE.
ISBN: 978-150905323-0
ISSN: 21583234
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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