Advanced Photonix Inc. (API) develops, manufactures, and supplies opto-electronic solutions and terahertz sensors and instrumentation to original equipment manufacturers (OEMs) worldwide. API’s services include photodiode design, wafer fabrication, prototyping and manufacturing, and thorough testing and reliability. API’s solutions are based on its patented high-speed optical receivers in III-V materials in APD and PIN configurations and silicon large area avalanche photodiode (LAAPD), PIN photodiode, and FILTRODE detectors. The terahertz sensor product line is targeted to the nondestructive testing, baggage/cargo scanning, and quality control markets.