Ultrafast and ultrasensitive novel photodetectors
AssigneesMassachusetts Institute of Technology, Consejo Superior de Investigaciones Cientificas
InventorsJin Young Kim, Ramses Martinez, Francesco Stellacci, Javier Martinez, Ricardo Garcia
Life of this patent
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Abstract
A photodetector is provided that includes a FET structure with a channel structure having one or more nanowire structures. Noble metal nanoparticles are positioned on the channel structure so as to produce a functionalized channel structure. The functionalized channel structure exhibits pronounced surface plasmon resonance (SPR) absorption near the SPR frequency of the noble metal nanoparticles.
Claims15
A photodetector comprising:
- a FET structure with a channel structure having one or more nanowire structures;
- and a plurality of noble metal nanoparticles positioned on the channel structure so as to produce a functionalized channel structure, said functionalized channel structure exhibiting pronounced surface plasmon resonance (SPR) absorption near the SPR frequency of said noble metal nanoparticles.
An optical device comprising:
- a FET structure with a channel structure having one or more nanowire structures;
- and
- a plurality of noble metal nanoparticles positioned on the channel structure so as to produce a functionalized channel structure, said functionalized channel structure exhibiting pronounced surface plasmon resonance (SPR) absorption near the SPR frequency of said noble metal nanoparticles.
A method for forming a photodetector comprising:
- forming a FET structure with a channel structure having one or more nanowire structures;
- and
- depositing a plurality of noble metal nanoparticles on the channel structure so as to produce a functionalized channel structure, said functionalized channel structure exhibiting pronounced surface plasmon resonance (SPR) absorption near the SPR frequency of said noble metal nanoparticles.
Dependencies are inferred from the claim text.