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Group Members

Dan SievenpiperProfessor Dan Sievenpiper joined the UCSD faculty in 2010. He received his BS in 1994 and his PhD in 1999 from UCLA, where he studied photonic crystals and periodic structures, and invented the high impedance electromagnetic surface. After graduation, Dan joined HRL (the former Hughes Research Laboratories) in Malibu, CA. During the following 11 years, he developed new electromagnetic structures, with an emphasis on small, conformal, tunable, and steerable antennas. Dan held a variety of technical positions at HRL, including serving as the director of the Applied Electromagnetics Laboratory. At UCSD, his research is focused on artificial media, and the integration of active electronics with electromagnetic structures and antennas to enable new capabilities. In 2008, Dan was awarded the URSI Issac Koga Gold Medal. In 2009, he was named as a Fellow of the IEEE. In 2010, Dan was elected to the IEEE Antennas and Propagation Society Administrative Committee. Since 2010, he has served as an associate editor of IEEE Antennas and Wireless Propagation Letters. Dan has more than 60 issued patents and more than 50 technical publications.

Dan SievenpiperRyan Quarfoth - I’m a Ph.D. student and my current research is on anisotropic artificial impedance surfaces. I received B.S. in engineering from Harvey Mudd College in 2009.
Dan SievenpiperSanghoon Kim is a Graduate Student Researcher in the Materials Science and Engineering. Sanghoon received his Master and Bachelor of Science degrees in Physics from Konkuk University in KOREA. He is currently working on active nonlinear surface wave metamaterials. He studies attenuation depending on properties of materials and active nonlinear circuits for self-tuning metamaterial surfaces.
Dan SievenpiperJiang Long was born in Liaoning Province, China. He received B.Sc degree and M.Sc degree in Electrical engineering from Zhejiang University, Hangzhou, China, in 2007 and 2010 respectively. During his Master's program, Mr. Long focused on RF circuit/system, RFIC, and wireless remote phase control technology. At his Master's project, he designed a wireless remote phase control system. He is currently pursuing a Ph.D degree at University of California, San Diego.

Minu Jacob received the B. Tech degree in electronics and communication engineering from Amrita School of Engineering, Coimbatore, India in 2009. She is currently working towards her M.S degree in communication theory and systems at the University of California, San Diego, USA.  Her research interests include electrically small antennas, non-Foster circuits and RF/analog communication circuit design.

Jeremiah Rushton received his B.S. in Electrical and Computer Engineering at the University of California, San Diego where he will continue his education in pursuit of a PhD. Current research topics and academic interests include applied electromagnetics, metamaterials, nonlinear surfaces and circuits, and sensors. Jeremiah is always trying to push his boundaries which has led to his involvement in the Gordon Engineering Leadership Center, local volunteering efforts, and the Engineers for Exploration program sponsored in part by the National Geographic Society. These all led to his involvement in the 2011 Valley of Khans expedition in Mongolia where he used his technical expertise to help search for the 800 year old tomb of Genghis Khan.

Hiroki Wakatsuchi received the B.Eng. and M.Eng. degrees from Aoyama Gakuin University, Kanagawa, Japan in 2006 and 2008, respectively, and the Ph.D. degree from the University of Nottingham, Nottingham, U.K. in 2011 all in electrical and electronic engineering. He was with EMC (Electromagnetic Compatibility) Group, Applied Electromagnetic Research Center, NICT (National Institute of Information and Communications Technology), Japan, from 2005 to 2008. In 2008 he joined GGIEMR (the George Green Institute for Electromagnetics Research), the Department of Electrical and Electronic Engineering, the University of Nottingham, U.K. From 2011 he is working at the Applied Electromagnetics Research Group, the Electrical and Computer Engineering, University of California San Diego as a Research Scholar. In 2009 he received the York EMC Services Ltd Best Paper Prize at the Festival of Radio Science URSI. He also received the second prize at the AP-RASC'10 Student Paper Competition, AP-RASC'10 2010 Asia-Pacific Radio Science Conference in 2010. His current research interests include metamaterial research and their applications.