PHOTODETECTORS AND METHODS OF FORMATION
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Sep 8, 2023
filing date -
Sep 8, 2023
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Abstract
A photodetector may include an absorption region that is formed to have an increasing depth (or thickness) in a direction that is approximately parallel to the direction of incident light that is to be projected onto the absorption region. The increasing depth of the absorption region in the direction that is approximately parallel with the direction of incident light enables the incident light to be more uniformly distributed along the length of the absorption region in the direction that is approximately parallel with the direction of incident light. This reduces the likelihood that a particular area of the absorption region reaches optical saturation, which may enable the photodetector to operate a sustained high photodetector sensitivity and/or a sustained high light detection performance, among other examples.
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