Fabrication and characterization of optoelectronic in-sensor computing devices

Area of Science:

• Optoelectronics
• Bioinspired Computing
• Materials Science

Background:

• In-sensor computing devices process data at sensory terminals, reducing latency and energy use.
• Optoelectronic devices with tunable semiconductor channels can perform in-sensor computing functions like feature enhancement and data compression.
• Precise fabrication and testing are crucial for reliable in-sensor computing functionalities.

Purpose of the Study:

• To present a detailed procedure for fabricating and characterizing bioinspired in-sensor computing devices.
• To demonstrate the testing of optoelectronic devices for visual adaptation and motion perception.
• To provide a reproducible and time-efficient method for creating high-performance devices.

Main Methods:

• Fabrication of in-sensor computing devices using nanoscale semiconductor thin films.
• Characterization of optoelectronic device performance, including photoresponsivity and time constants.
• Testing protocols for visual adaptation and motion perception responses.

Main Results:

• The procedure yields highly reproducible device performance using commercially sourced semiconductor materials.
• The fabrication and testing steps are generalizable to other semiconductor thin films and growth methods.
• The developed method is time-efficient, taking approximately 14 days to complete.

Conclusions:

• The presented procedure enables the development of advanced bioinspired in-sensor computing devices.
• This work provides a framework for enhancing efficiency in data processing and real-time analysis.
• The methodology supports the advancement of optoelectronic devices for in-sensor computing applications.