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US 12,119,419 B2Granted
Photodetector
AssigneeNippon Telegraph and Telephone Corporation
InventorKotaro Takeda
Life of this patent
Estimating the term…
Abstract
A photodetector having a sufficient ESD withstand voltage is provided. An embodiment of a photodetector includes a plurality of photodiodes including germanium or a germanium compound in a light absorption layer, and a plurality of heaters configured to apply heat to the light absorption layer of each of the plurality of photodiodes, in which the plurality of heaters are connected in series, the plurality of heaters are connected in parallel, or a plurality of sets of the plurality of heaters serially connected are connected in parallel.
Claims14
A photodetector comprising:
- a plurality of photodiodes including germanium or a germanium compound in a light absorption layer;
- and
- a plurality of heaters configured to apply heat to the light absorption layer of each of the plurality of photodiodes, wherein each of the plurality of photodiodes is associated with one of the plurality of heaters,
- wherein the plurality of heaters are connected in series, the plurality of heaters are connected in parallel, or a plurality of sets of the plurality of heaters serially connected are connected in parallel, wherein a collective width of the plurality of heaters when the plurality of heaters are connected in parallel and a collective length of the plurality of heaters are connected in series are configured to provide the photodetector with a sufficient electrostatic discharge withstand voltage.
1 more element
Dependencies are inferred from the claim text.