Book Chapters
Xiaofeng Li, “Phase noise of soliton oscillators,” Electrical Solitons: Theory, Design and Applications (by David Ricketts and Donhee Ham), to be published.
Xiaofeng Li, David Ricketts, and Donhee Ham, “Solitons in electrical networks,” McGraw-Hill 2008 Yearbook of Science and Technology, McGraw-Hill, 2008.
David Ricketts, Xiaofeng Li, and Donhee Ham, “Solitons and nonlinear wave electronics,” Circuits at the Nanoscale: Communications, Imaging, and Sensing, CRC Press, 2009.
Research Papers
Xiaofeng Li, Wenjiang Zhu, and Donhee Ham, “Phase diffusion and Lamb-shift-like spectrum shift in classical oscillators,” online preprint arXiv:0908.2214; submitted to Physical Review Letters (PRL).
Xiaofeng Li, O. Ozgur Yildirim, Wenjiang Zhu, and Donhee Ham, “Phase noise of distributed oscillators,” IEEE Transactions on Microwave Theory and Techniques (T-MTT), vol. 58, no. 8, pp. 2105-2117, August 2010.
Masahiro Kubo, Xiaofeng Li (equal contribution), Choongik Kim, Michinao Hashimoto, Benjamin J. Wiley, Donhee Ham, and George M. Whitesides, “Stretchable microfluidic radiofrequency antennas,” Advanced Materials, vol. 22, no. 25, pp. 2749-2752, July 2010.
Christine Y. Wang, L. Kuznetsova, V. M. Gkortsas, L. Diehl, F. X. Kartner, M. A. Belkin, A. Belyanin, Xiaofeng Li, Donhee Ham, H. Schneider, P. Grant, C. Y. Song, S. Haffouz, Z. R. Wasilewski, H. C. Liu, and Federico Capasso, “Mode-locked pulses from mid-infrared quantum cascade lasers,” Optics Express, vol. 17, no. 15, pp. 12925-12943, July 2009.
Xiaofeng Li, William Andress, and Donhee Ham, “THz soliton and plasmonic science and technology,” Government Microcircuit Applications & Critical Technology Conference (GOMACTech), March 2008.
David Ricketts, Xiaofeng Li, Nan Sun, Kyoungho Woo, and Donhee Ham, “On the self-generation of electrical soliton pulses,” IEEE Journal of Solid-State Circuits (JSSC), vol. 42, no. 8, pp. 1657-1668, August 2007.
Donhee Ham, Xiaofeng Li, Scott A. Denenberg, Thomas H. Lee, and David S. Ricketts, “Ordered and chaotic electrical solitons: communication perspectives,” (Invited paper) IEEE Communications Magazine, vol. 44, no. 12, pp. 126-135, December 2006.
William F. Andress, David S. Ricketts, Xiaofeng Li, and Donhee Ham, “Passive & active control of regenerative standing & soliton waves,” (Invited paper) Proceedings of the IEEE Custom Integrated Circuits Conference (CICC), pp. 29-36, September 2006.
David Ricketts, Xiaofeng Li, and Donhee Ham, “Electrical soliton modelocking,” (Invited cover article) IEEE LEOS Newsletter, vol. 20, no. 3, pp. 4-11, June 2006.
David Ricketts, Xiaofeng Li, and Donhee Ham, “Taming electrical solitons - A new direction in picosecond electronics,” (Invited paper) Proceedings of the IEEE RFIC Symposium, pp. 33-36, June 2006.
Ehsan Afshari, Harish Bhat, Xiaofeng Li, and Ali Hajimiri, “An electrical funnel: a novel broadband signal combining method,” IEEE International Solid-State Circuits Conference (ISSCC) Digest of Technical Papers, pp. 751-760, February 2006.
David Ricketts, Xiaofeng Li, and Donhee Ham, “Electrical soliton oscillator,” IEEE Transactions on Microwave Theory and Techniques (T-MTT), vol. 54, no. 1, pp. 373-382, January 2006.
David Ricketts, Xiaofeng Li, Matt DePetro, and Donhee Ham, “A self-sustained electrical soliton oscillator,” IEEE International Microwave Symposium (IMS) Digest, pp. 1365-1368, June 2005.
Patents
Masahiro Kubo, Xiaofeng Li, Choongik Kim, Michinao Hashimoto, Benjamin J. Wiley, Donhee Ham, and George M. Whitesides, “Robust stretchable electronics,” filed for U.S. provisional patent, application No. 61312306, March 10, 2010.
Xiaofeng Li and Donhee Ham, “Methods and apparatus utilizing quantum inductance of nanoscale structures,” filed for U.S. utility patent, application No.12/083,747, 2009.
David Ricketts, Xiaofeng Li, and Donhee Ham, “Nonlinear pulse oscillator methods and apparatus,” U.S. patent issued, No. US 7,339,440 B2, March 4, 2008.
Invited Talks
“From Electronics to Plasmonics: One-Dimensional Plasmonic Circuits”
Special Evening Session titled “Beyond CMOS - Emerging Technologies,” IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, CA, February 2010.
“Soliton electronics”
CMOS Emerging Technologies Workshop, Whistler, BC, Canada, July 2007.
“Analog circuit design with 1D electronic devices” (co-authored with D. Ham)
Forum titled “Circuit Design in Emerging Technologies,” IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, CA, February 2006.