Artilux Corporation

Chih-Wei Yeh

Tsung-Ting Wu

Yun-Chung Na

Shu-Lu Chen

Shu-lu Chen

Hung-Chih Chang

Kai-Wei Chiu

Chih-Wei Chen

Yen-Cheng Lu

A photo-detecting apparatus is provided. The photo-detecting apparatus includes a carrier conducting layer having a first surface; an absorption region is doped with a first dopant having a first conductivity type and a first peak doping concentration, wherein the carrier conducting layer is doped with a second dopant having a second conductivity type and a second peak doping concentration, wherein the carrier conducting layer comprises a material different from a material of the absorption region, wherein the carrier conducting layer is in contact with the absorption region to form at least one heterointerface, wherein a ratio between the first peak doping concentration of the absorption region and the second peak doping concentration of the carrier conducting layer is equal to or greater than 10; and a first electrode and a second electrode both formed over the first surface of the carrier conducting layer.

Photo-detecting apparatus with low dark current

Systems, apparatuses, and methods for improved reconfigurable optical sensing are provided. For instance, an example optical sensing apparatus can include a photodetector array including a plurality of photodetectors. The optical sensing apparatus can include circuitry or one or more processing devices configured to receive one or more electrical signals representing an optical signal received by a first subset of the plurality of photodetectors; determine, based on the one or more electrical signals, a region of interest in the photodetector array for optical measurements; and deactivate, based on the region of interest, a second subset of the plurality of photodetectors of the photodetector array.

Optical sensing apparatus with deactivated photodetector regions and method thereof

An optical detector module can be used to implement proximity sensing function by detecting ambient light outside of the optical detector module in accordance with a first detection threshold. An optical detector module can be further used to implement other active functions such as material detection (e.g., skin) or depth-sensing by emitting one or more optical signals (e.g., light pulses at a specific wavelength) and detecting the reflected optical signals relative to a second and/or third detection threshold. The disclosure provides technical solutions for actively monitoring detection threshold(s) of an optical detector module to achieve better power management. In some embodiments, such solutions are useful for photodetectors having a wide sensing bandwidth, such as a photodetector formed in germanium or a photodetector comprising an absorption region comprising germanium.

Optical detector module and a method for operating the same

Systems, apparatuses, and methods for multi-application optical sensing are provided. For example, an optical sensing apparatus can include a photodetector array, a first circuitry, and a second circuitry. The photodetector array includes a plurality of photodetectors, wherein a first subset of the plurality of photodetectors are configured as a first region for detecting a first optical signal, and a second subset of the plurality of photodetectors are configured as a second region for detecting a second optical signal. The first circuitry, coupled to the first region, is configured to perform a first function based on the first optical signal to output a first output result. The second circuitry, coupled to the second region, is configured to perform a second function based on the second optical signal to output a second output result.

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Hsinchu County, Taiwan

Chih-Wei Yeh