Patent · US Active

Ge—GaAs heterojunction-based SWIR photodetector

US11322640B2 · kind B2 · utility

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Key dates

Filing dateMar 15, 2020
Grant dateMay 3, 2022
Priority date
Expiry dateMar 26, 2040

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10F77/124

Abstract

Photodetectors comprising a P type Ge region having a first region thickness and a first doping concentration and a N type GaAs region having a second region thickness and a second doping concentration smaller than the first doping concentration by at least one order of magnitude.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.