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Hooman Mohseni3:15 p.m., Friday March 9, 2007 Cook Hall Room 4051
| Dr. Hooman Mohseni Learning from Nature: Sensing the Absolute Minimum Light Intensity | | Abstract: High-performance single photon detectors are regarded as enabling technology in many fields, including
optical tomography, quantum cryptography, and landmine detection, since they can detect the absolute
minimum light intensity, or a single photon. Despite several decades of intense research on semiconductor single
photon detectors, current devices suffer from high noise and low sensitivity. In this talk, I will show the method
that Nature has chosen for light detection, and explain why it is orders of magnitude better than the manmade
devices. I would then explain a novel type of light detector that we have developed based on the light detection
mechanism in the rod cells in the eye. Finally, I present recent results from this device that outperforms some of
the best existing detectors by order of magnitude.
Hooman Mohseni received his Ph.D. degree in Electrical Engineering from Northwestern University, where
his work focused on novel type-II superlattices and heterostructures. He joined Sarnoff Corporation in 2001,
where he was a technology leader for several government, domestic, and international commercial projects. He
joined Northwestern University in 2004 as a faculty member. Dr. Mohseni is the recipient of the best student
paper award from International Semiconductor Device Research Symposium 1999, the Best Ph.D. Thesis
Award from Robert McCormick School of Engineering in 2001, was a Searle Junior Fellow in 2005, recipient
of National Science Foundation CARRER Award in 2006, was selected by NSF as one of the 14 US
members of the US-Japan Young Scientist Exchange Program on Nanotechnology in 2006, and received
Young Faculty Award from Defense Advanced Research Projects Agency (DARPA) in 2007. He has served
at the Technical Program Committee of several major conferences including IEEE Laser Electro-Optics
Society (LEOS) Annual Meetings and SPIE Photonic West. He has also serves as the Program Committee
Co-chair for the SPIE Security and Defense Symposium in 2007. Dr. Mohseni has published over 40 articles
in refereed journals, a chapter of a book on IR detectors, and holds two patents and four patent applications.
His publications have been cited more than 250 times in the peer-reviewed journals. |
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