K. Sigfrid Yngvesson

Professor Emeritus

8D Marcus Hall
University of Massachusetts
130 Natural Resources Rd
Amherst, MA 01003-9293 

(413) 545-0771

Civilingenjor, Chalmers University of Technology, Sweden, 1958;
Teknologie Licentiat, 1964; Teknologie Doktor, Docent, 1968; 

Research Interests: 

Terahertz Low Noise Mixer Receivers, Detectors and Sources. Medical Imaging at Terahertz Frequencies; Nanoelectronic Devices, including Carbon Nanotubes and Graphene.   

Selected Publications: 
  • “A New Ultra-Compact Terahertz  Source Based on Carbon Nanotubes,” M. Muthee, E. Carrion,  J. Nicholson, K. S. Yngvesson, and E. Polizzi, Intern. Workshop on Optical Terahertz Science and Technology, UCSB, Santa Barbara, CA, March 2011.
  • New Results on Terahertz Detection by Carbon Nanotubes,” Enrique Carrion, Martin Muthee, Jason Donovan, Richard Zannoni, John Nicholson, Eric Polizzi and K. Sigfrid Yngvesson,  International Symp. Space THz Technol., Oxford, UK (March 2010).
  • “Quantum noise in a terahertz hot electron bolometer mixer,” W. Zhang,P. Khosropanah,J. R. Gao,E. L. Kollberg,K. S. Yngvesson,T. Bansal,R. Barends,and T. M. Klapwijk, Appl. Phys. Lett. 96, 111113 (2010).
  • "Terahertz detection in single wall carbon nanotubes",  K. Fu, R. Zannoni, C. Chan, S. H. Adams, J. Nicholson, E. Polizzi and K.S. Yngvesson, Appl.Phys.Lett. , 93, 033105 (2008).
  • “Direct and heterodyne detection of microwaves in a metallic single wall carbon nanotube,” F. Rodriguez-Morales, R. Zannoni, J. Nicholson, M. Fischetti, K.S. Yngvesson and J. Appenzeller, Appl. Phys. Lett., vol. 89, 083502 (2006).
Society Memberships: 

IEEE - Antennas and Propagation, Microwave Theory and Techniques and Electron Devices Societies. 

Honors & Awards: 

Wallin Medal, Royal Society for Science, Gothenburg, Sweden, 1970. Fellow of the IEEE, 1998. 

Institutional & Professional Service: 

Reviewer, NSF, NASA, IEEE Transactions, Applied Physics Letters; Chaired sessions, Intern. Solid State Device Res. Symposium, Intern. Space THz Technol. Symp., International and National Collaboration (mostly as P.I.) on research projects in the THz area. Grants from NSF (Adv. Instrumentation, Astronomy and ECCS; NASA (Cross-Enterprise Space Technology; Space Astrophysics and Analysis (Sensors)); NSF (Microwaves and Sorption of VOCs on Oxide Catalysts, Co-PI); NIH (National Cancer Institute).