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Thursday, October 24, 2019 noon to 1 p.m.

Professor Diana Huffaker
Ser Cymru Chair, Advanced Materials and Devices, Cardiff University, Wales CF24 3AA
Professor, California Nano-Systems Institute, UCLA, Los Angeles, California 90095, US


Realizing the integration of nanostructures into useful devices and photonic systems has been a topic in hot pursuit for almost a decade. While many groups demonstrate innovative synthesis techniques and compelling device possibilities, true utility has not yet been realized. In this work, we focus on photolithographically defined nanopillars: the diameter, pitch and mask arrangement can be precisely pre-determined at nanometric resolution. Our approach, in contrast to catalyzed synthesis, allows exquisite control of material composition and doping thus enabling the possibility of competitive device realization. This presentation includes discussion of application driven device design based in nanostructures and plasmonics. Device demonstrations include hybrid photovoltaics, room-temperature, nanobeam lasers and plasmonic-enhanced single-photon avalanche photodetectors (SPAD) featuring self-aligned subwavelength metal grating.


Professor Diana Huffaker holds the Welsh Government Ser Cymru Chair in Advanced Materials and Engineering. She is Scientific Director of the Institute for Compound Semiconductors (ICS) and Professor of both Physics and Engineering at Cardiff University. She maintains Adjunct Professor of Electrical Engineering at the University of California at Los Angeles where she directs the Integrated NanoMaterials Laboratory. Professor Huffaker (h-index=58) has co-authored over >300 refereed journal publications with more than 10000 citations and many invited presentations world-wide. Her research interests include integrated optoelectronic devices, sensors, nanostructures, quantum technologies. She is a Fellow of OSA, IEEE, the National Science and Security Faculty (NSSEFF), the Humboldt Society, the Learned Society of Wales along with Photonics Society Distinguished Lecturer. She is an active participant in the technical community with leadership roles in many international societies including IEEE, SPIE, SWE and WIE. She is involved in local and national community programs especially STEM education.




Dr. Michael Georgiopoulos


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