People / Directory (General Staff Directory)

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John Joannopoulos
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John D. Joannopoulos

Francis Wright Davis Professor of Physics, Physics (Department of)
MIT's John Joannopoulos: Francis Wright Davis Professor of Physics, Physics (Department of).
77 Massachusetts Avenue
Room 6-C-343
Cambridge, MA 02139
joannop@mit.edu
617.253.4806—Tel

Professor John D. Joannopoulos is a principal investigator in the Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT).

He received his B.A. and Ph.D. in Physics from the University of California, Berkeley in 1968 and 1974, respectively. He has been on the Faculty of Physics at the Massachusetts Institute of Technology as Assistant Professor of Physics (1974), Associate Professor of Physics (1978), Professor of Physics (1983) and was awarded the Francis Wright Davis Professor of Physics Chair in 1996. He has served as Divisional Associate Editor of Physical Review Letters, member of the Editorial Board of Reviews of Modern Physics, and was appointed as the Director of the Institute for Soldier Nanotechnologies at MIT in 2006.

The research of Professor Joannopoulos spans two major directions. The first is devoted to creating a realistic and microscopic theoretical description of the properties of material systems. His approach is fundamental to predicting geometric, electronic and dynamical structure, ab-initio—that is, given only the atomic numbers of the constituent atoms as experimental input. Ab-initio investigations are invaluable because they can stand on their own, complement experimental observations, and probe into regimes inaccessible to experiment. The second major direction involves the development of a new class of materials called photonic crystals, which are designed to affect the properties of photons in much the same way that semiconductors affect the properties of electrons. These materials provide a new dimension in the ability to control and mold the flow of light.

He is the author or coauthor of over 560 refereed scientific journal articles, three textbooks on Photonic Crystals, and holds over 70 issued U.S. Patents. He is also co-founder of 4 startup companies: OmniGuide Inc., Luminus Devices, Inc., WiTricity Corporation and Typhoon HIL, Inc..

Professor Joannopoulos is a Fellow of the American Physical Society (1983) and a Fellow of the American Association for the Advancement of Science (2002). He has been an Alfred P. Sloan Fellow (1976–1980) and John S. Guggenheim Fellow (1981–1982).  He is the recipient of the Student Council Graduate Teaching Award (1991), the William Buechner Teaching Prize (1996), the David Adler Award of the American Physical Society (1997), and the School of Science Graduate Teaching Award (2002). Since 2003, he has been recognized as one of the Thompson ISI most Highly Cited Researchers.  In 2009, Professor Joannopoulos was elected to membership in the National Academy of Sciences.

Keywords

semiconductor surface studies, condensed matter physics, photonic crystals and optics, resonant cavities, atomic systems and electronic structure, wet electrons, MITite
semiconductor surface studies, condensed matter physics, photonic crystals and optics, resonant cavities, atomic systems and electronic structure, wet electrons, MITite

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Steven Johnson
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Steven G. Johnson

Associate Professor of Applied Mathematics, Mathematics
MIT's Steven Johnson: Associate Professor of Applied Mathematics, Mathematics.
77 Massachusetts Avenue
Room 02-388
Cambridge, MA 02139
stevenj@mit.edu
617.253.4073—Tel

Administrative Assistant

Shirley A Entzminger
daisymae@math.mit.edu
617.253.4994—Tel
Room 2-350A

Professor Steven G. Johnson is a principal investigator in the Research Laboratory of Electronics (RLE) at the Massachusetts Institute of Technology (MIT). He received the B.S. and Ph.D. in physics from MIT in 1995 and 2001 respectively. From 2001 to 2003 he was a postdoctoral associate at MIT, and was a postdoctoral associate at Harvard University in 2004 before joining the MIT faculty as Assistant Professor of Applied Mathematics in the same year.

Professor Johnson co-developed the FFTW fast-Fourier transfrom library, for which he was the co-recipient of the 1999 J. H. Wilkinson Prize for Numerical Software. His current research interests focus on two areas: photonic crystals and electromagnetism in structured media; and high performance computation, from fast Fourier transforms to large-scale eigensolvers for numerical electromagnetism.

Keywords

photonic crystals, electromagnetism, structured media, high-performance computation, fast Fourier transforms, large-scale eignesolvers, modeling and simulation
photonic crystals, electromagnetism, structured media, high-performance computation, fast Fourier transforms, large-scale eignesolvers, modeling and simulation

Selected Publications

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John Kassakian
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John G. Kassakian

Professor of Electrical Engineering, Electrical Engineering and Computer Science (EECS)
MIT's John Kassakian: Professor of Electrical Engineering, Electrical Engineering and Computer Science (EECS).
77 Massachusetts Avenue
Room 10-173
Cambridge, MA 02139
jgk@mit.edu
617.253.3448—Tel

Administrative Assistant

Donna L. Gale
dgale@mit.edu
617.253.8529—Tel
Room 10-097

Dr. John G. Kassakian is Professor of Electrical Engineering at the Massachusetts Institute of Technology. His field of expertise is power electronics and automotive electrical systems. He received his undergraduate and graduate degrees from MIT, and prior to joining the MIT faculty, he served a two year tour of duty in the US Navy. Dr. Kassakian was the Founding President of the Institute of Electrical and Electronic Engineers (IEEE) Power Electronics Society, served as the US representative to the European Power Electronics Association, and is the recipient of the IEEE Centennial Medal, the IEEE William E. Newell Award, the IEEE Power Electronics Society’s Distinguished Service Award, the IEEE Millennium Medal, the European Power Electronics Association Achievement Award, and the Kabakjian Science Award. In 1989 he was elected a Fellow of the IEEE and in 1993 he was elected to the National Academy of Engineering. In 1993 he was also awarded an IEEE Distinguished Lectureship through which he has lectured internationally. He has published extensively  in the areas of power electronics, power systems, education and automotive electrical systems, co-chaired the MIT study “The Future of the Electric Grid” and is a co-author of the textbook Principles of Power Electronics.

Prof. Kassakian is a former member of the Board of Directors of ISO New England (the independent system operator of the New England electric utility system), and currently serves on the board of Marvell Semiconductor, and the Corporate Advisory Boards of Tyco Electronics and Lutron Electronics. He serves as a consultant to government and industry, Dr. Kassakian’s interests include sailing, fishing, and gardening. He has two children and resides with his wife in Newton, Massachusetts.

Keywords

power electronics, power systems, electronics, semiconductor devices, automotive electronics, energy storage, ultra capacitors, double-layer electrochemical capacitors, batteries, LED lighting, electric vehicles
power electronics, power systems, electronics, semiconductor devices, automotive electronics, energy storage, ultra capacitors, double-layer electrochemical capacitors, batteries, LED lighting, electric vehicles

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John Simonaitis
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John William Simonaitis

Research Fellow with RA Supplement, Electrical Engineering and Computer Science (EECS)
MIT's John Simonaitis: Research Fellow with RA Supplement, Electrical Engineering and Computer Science (EECS).
77 Massachusetts Avenue
Room 36-217
Cambridge, MA 02139
John Zhongyuan Zhang
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John Zhongyuan Zhang

Teaching Assistant, Mechanical Engineering (Department of)
MIT's John Zhongyuan Zhang: Teaching Assistant, Mechanical Engineering (Department of).
77 Massachusetts Avenue
Room
Cambridge, MA 02139
johnz@mit.edu
—Tel