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View article: Optimization of Fully Integrated Al Nanohole Array-Based Refractive Index Sensors for Use With a LED Light Source
Optimization of Fully Integrated Al Nanohole Array-Based Refractive Index Sensors for Use With a LED Light Source Open
Plasmonic nanohole arrays that are directly structured into the top metallization of vertical Ge-on-Si PIN photodiodes can be used to sense refractive index changes. This concept can pave the way to fully integrated biosensors with small f…
View article: Photonic-Plasmonic Mode Coupling in Nanopillar Ge-On-Si Pin Photodiodes
Photonic-Plasmonic Mode Coupling in Nanopillar Ge-On-Si Pin Photodiodes Open
Incorporating group IV photonic nanostructures within active top-illuminated photonic devices often requires light-transmissive contact schemes. In this context, plasmonic nanoapertures in metallic films can not only be realized using CMOS…
View article: Ge(Sn) nano-island/Si heterostructure photodetectors with plasmonic antennas
Ge(Sn) nano-island/Si heterostructure photodetectors with plasmonic antennas Open
We report on photodetection in deep subwavelength Ge(Sn) nano-islands on Si nano-pillar substrates, in which self-aligned nano-antennas in the Al contact metal are used to enhance light absorption by means of local surface plasmon resonanc…
View article: Integrated Collinear Refractive Index Sensor with Ge PIN Photodiodes
Integrated Collinear Refractive Index Sensor with Ge PIN Photodiodes Open
Refractive index sensing is a highly sensitive and label-free detection\nmethod for molecular binding events. Commercial implementations of biosensing\nconcepts based on plasmon resonances typically require significant external\ninstrument…
View article: Plasmonic nanohole arrays on Si-Ge heterostructures: an approach for integrated biosensors
Plasmonic nanohole arrays on Si-Ge heterostructures: an approach for integrated biosensors Open
Nanohole array surface plasmon resonance (SPR) sensors offer a promising platform for high-throughput label-free biosensing. Integrating nanohole arrays with group-IV semiconductor photodetectors could enable low-cost and disposable biosen…