19 September 2013 Isolated nanoinjection photo detectors for high-speed and high-sensitivity single-photon detection
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Abstract
Our group has designed and developed a new SWIR single photon detector called the nano-injection detector that is conceptually designed with biological inspirations taken from the rod cells in human eye. The detector couples a nanoscale sensory region with a large absorption volume to provide avalanche free internal amplification while operating at linear regime with low bias voltages. The low voltage operation makes the detector to be fully compatible with available CMOS technologies. Because there is no photon reemission, detectors can be formed into high-density single-photon detector arrays. As such, the nano injection detectors are viable candidates for SPD and imaging at the short-wave infrared band. Our measurements in 2007 proved a high SNR and a stable excess noise factor of near unity. We are reporting on a high speed version of the detector with 4 orders of magnitude enhancement in speed as well as 2 orders of magnitude reduction in dark current (30nA vs. 10 uA at 1.5V).
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V. Fathipour, V. Fathipour, O. G. Memis, O. G. Memis, S. J. Jang, S. J. Jang, F. Khalid, F. Khalid, R. L. Brown, R. L. Brown, I. Hassaninia, I. Hassaninia, R. Gelfand, R. Gelfand, H. Mohseni, H. Mohseni, } "Isolated nanoinjection photo detectors for high-speed and high-sensitivity single-photon detection", Proc. SPIE 8868, Infrared Sensors, Devices, and Applications III, 886803 (19 September 2013); doi: 10.1117/12.2024711; https://doi.org/10.1117/12.2024711
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