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physics.app-ph2020
Efficient photon capture on germanium surfaces using industrially feasible nanostructure formation
Kexun Chen, Joonas Isometsä, Toni P. Pasanen +2
Nanostructured surfaces are known to provide excellent optical properties for various photonics devices. Fabrication of such nanoscale structures to germanium (Ge) surfaces by meta…
physics.app-ph2019
Black-silicon ultraviolet photodiodes achieve external quantum efficiency above 130%
M. Garin, J. Heinonen, L. Werner +5
At present, ultraviolet sensors are utilized in numerous fields ranging from various spectroscopy applications via biotechnical innovations to industrial process control. Despite o…