Company Filing History:
Years Active: 1979-2020
Title: Joseph P Donnelly: Innovator in Avalanche Photodiode Technology
Introduction
Joseph P Donnelly is a prominent inventor based in Carlisle, MA (US). He has made significant contributions to the field of photonics, particularly in the development of avalanche photodiodes. With a total of 11 patents to his name, Donnelly's work has advanced the technology used in various optical applications.
Latest Patents
One of his latest patents focuses on cross-talk suppression in Geiger-mode avalanche photodiodes. This invention provides an avalanche photodiode detector with a substrate that includes an array of avalanche photodiodes. The optical interface surface of the substrate is designed to accept external input radiation. The invention features at least one cross-talk blocking layer of material with apertures that allow external input radiation to reach the photodiodes while attenuating radiation produced by the photodiodes in the array. Additionally, a cross-talk filter layer can be included in the substrate to absorb radiation generated by the photodiodes.
Career Highlights
Joseph P Donnelly has had a distinguished career, primarily associated with the Massachusetts Institute of Technology. His innovative work has not only contributed to academic research but has also had practical applications in various industries.
Collaborations
Donnelly has collaborated with notable colleagues, including K Alexander McIntosh and Erik K Duerr. These partnerships have further enhanced the impact of his research and inventions.
Conclusion
Joseph P Donnelly's contributions to avalanche photodiode technology exemplify his innovative spirit and dedication to advancing optical technology. His patents continue to influence the field and pave the way for future developments.
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