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DTSTART;TZID=America/Chicago:20260914T140000
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DTSTAMP:20260828T191838Z
CREATED:20260730T151549Z
LAST-MODIFIED:20260828T191838Z
UID:10001533-1789394400-1789398000@live-uw-engineering.pantheonsite.io
SUMMARY:ECE Research Seminar Series: Dr. Max R. Lien\, Northrop Grumman
DESCRIPTION:Radiative Thermal Control of Spacecraft using Thermochromic Infrared Materials\n\n\n\n\n\n\n\nAbstract:  Thermochromic infrared surfaces have temperature-dependent emissivity spectra that enable radiators to respond to changes in the thermal environment. Spacecraft can leverage this unique behavior for autoregulating thermal control\, where thermochromic surfaces are designed to passively transition between a high thermal emissivity (to radiate heat when hot) and a low thermal emissivity (to retain heat when cold). In this talk\, we introduce the materials\, methods\, and analyses of Variable Emissivity Materials (VEMs) using thermal objectives\, where spectral infrared engineering is used to achieve passive control over temperature and heat flux. We show how the models and materials are validated calorimetrically and describe a novel set of thermo-optic characteristics used in both the design and system modeling of VEMs. Finally\, we present an optimization perspective for further development of VEMs for thermal control. \n\n\n\n\n\n\n\nBio: Dr. Max R. Lien is a research scientist focused on developing optical materials and photonics for national security applications. He earned a Bachelor of Science from the University of Wisconsin–Madison in 2019\, followed by a Master of Science in 2021 and a Doctor of Philosophy in 2023 from the University of Southern California\, all in electrical engineering. Currently\, Dr. Lien is a Principal Research Scientist in the basic research laboratories at Northrop Grumman in Redondo Beach\, California\, where he oversees a portfolio of advanced material development and leads research collaborations with academic partners. Previously\, he was a Visiting Technologist at the NASA Jet Propulsion Laboratory working on mid-infrared optics for compact hyperspectral imagers. \n\n\n\nThis event is hosted by ECE/ME Professor Joseph Andrews.
URL:https://live-uw-engineering.pantheonsite.io/event/ece-research-seminar-series-dr-max-r-lien-northrop-grumman/
LOCATION:2349 Engineering Hall\, 1415 Engineering Dr\, Madison\, WI\, 53706\, United States
CATEGORIES:Electrical & Computer Engineering,Seminar
ATTACH;FMTTYPE=image/jpeg:https://live-uw-engineering.pantheonsite.io/wp-content/uploads/2025/02/ECE-Research-Seminar-Series.avif
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DTSTART;TZID=America/Chicago:20260914T120000
DTEND;TZID=America/Chicago:20260914T130000
DTSTAMP:20260903T133514Z
CREATED:20260826T194214Z
LAST-MODIFIED:20260903T133514Z
UID:10001588-1789387200-1789390800@live-uw-engineering.pantheonsite.io
SUMMARY:ECE Research Seminar Series: Dr. Qing Gu\, Associate Professor of ECE and Physics - North Carolina State University
DESCRIPTION:Nanophotonic Devices and Circuits for Quantum and Information Photonics\n\n\n\n\n\n\n\nAbstract:Nanophotonic structures provide powerful means to control the generation\, propagation\, and processing of light\, enabling new opportunities in integrated photonics\, quantum information science\, and optical computing. In this talk\, I will discuss our recent efforts that exploit engineered light-matter interactions and photonic integration to achieve new functionalities. I will highlight three examples: metasurface and photonic-crystal lasers with engineered emission properties\, photonic integrated circuits for quantum signal processing\, and neuromorphic photonic computing. I will also briefly discuss broader opportunities for nanophotonics in quantum science and integrated photonic systems.  \n\n\n\nQing Gu\n\n\n\nBio:Qing Gu is an Associate Professor at North Carolina State University\, jointly appointed in the Departments of Electrical and Computer Engineering and Physics. She received her B.S. degree in Electrical Engineering from the University of British Columbia in 2008 and her Ph.D. degree from the University of California\, San Diego in 2014. Her research focuses on nanophotonic semiconductor light sources\, active and topological hyperbolic metamaterials\, miniature magneto-optical traps for atom cooling and trapping\, quantum signal process on photonic chips\, and photonic neuromorphic computing. She is the author of the book Semiconductor Nanolasers (Cambridge University Press) and a recipient of the ARO Young Investigator Award\, NSF CAREER Award\, and DARPA MTO Pitch Day Award. \n\n\n\nThis event is hosted by ECE Associate Professor Jennifer Choy.
URL:https://live-uw-engineering.pantheonsite.io/event/ece-research-seminar-series-dr-qing-gu-associate-professor-of-ece-and-physics-north-carolina-state-university/
LOCATION:2349 Engineering Hall\, 1415 Engineering Dr\, Madison\, WI\, 53706\, United States
CATEGORIES:Electrical & Computer Engineering,Seminar
ATTACH;FMTTYPE=image/jpeg:https://live-uw-engineering.pantheonsite.io/wp-content/uploads/2025/02/ECE-Research-Seminar-Series.avif
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BEGIN:VEVENT
DTSTART;TZID=America/Chicago:20260706T140000
DTEND;TZID=America/Chicago:20260706T150000
DTSTAMP:20260617T165125Z
CREATED:20260611T152222Z
LAST-MODIFIED:20260617T165125Z
UID:10001531-1783346400-1783350000@live-uw-engineering.pantheonsite.io
SUMMARY:ECE Research Seminar Series: Associate Professor Yei Hwan Jung\, Hanyang University
DESCRIPTION:Materials and Fabrication Strategies for Strain-Invariant Stretchable Electronics and Displays\n\n\n\n\n\n\n\n\n\n\n\nAbstract: Stretchable electronic systems often suffer from strain-induced performance drift\, which hinders reliable operation in practical settings. Under tensile deformation\, stretchable interconnects can lose conductivity; semiconductor devices can exhibit shifts in their current–voltage and transfer characteristics; and radio-frequency components can experience frequency detuning. Stretchable displays further face variations in fill factor and effective resolution\, which can distort rendered images and videos. Conventional stretchable touch sensors also struggle to decouple in-plane strain from out-of-plane pressure\, limiting sensing accuracy.This seminar will present recent advances toward deformation-invariant stretchable electronics and displays\, including semiconductor devices\, RF circuits\, displays\, and touch sensors that preserve their electrical and optical characteristics under elongation. I will highlight materials innovations and device-level design strategies that suppress strain sensitivity\, including strain-stable functional materials and architectures that mechanically decouple or compensate for deformation. I will also discuss design methodologies that maintain constant geometry or response under load. The talk will conclude with open challenges and future research directions toward robust\, manufacturable\, and truly strain-invariant stretchable systems. \n\n\n\nYei Hwan Jung\n\n\n\nBio: Professor Yei Hwan Jung is an Associate Professor in the Department of Electronic Engineering at Hanyang University. He received his M.S. and Ph.D. from the University of Wisconsin–Madison and his B.S. from the University of Illinois Urbana-Champaign.His research group addresses key challenges in semiconductors\, packaging\, and emerging electronics by advancing materials\, devices\, and manufacturing strategies\, with a focus on advanced packaging\, next-generation semiconductors\, deformable displays\, and wearable/implantable systems
URL:https://live-uw-engineering.pantheonsite.io/event/ece-research-seminar-series-associate-professor-yei-hwan-jung-hanyang-university/
LOCATION:2349 Engineering Hall\, 1415 Engineering Dr\, Madison\, WI\, 53706\, United States
CATEGORIES:Electrical & Computer Engineering,Featured Guest Speaker,Seminar
ATTACH;FMTTYPE=image/jpeg:https://live-uw-engineering.pantheonsite.io/wp-content/uploads/2025/02/ECE-Research-Seminar-Series.avif
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