2 papers
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…
cond-mat.mtrl-sci2020
Nanostructured germanium with >99 % absorption at 300-1600 nm wavelengths
Toni P. Pasanen, Joonas Isometsä, Moises Garin +3
Near-infrared (NIR) sensors find numerous applications within various industry fields, including optical communications and medical diagnostics. However, the state-of-the-art NIR s…