Donhee Ham Research Group
Solid-State, Bio, & Quantum Science and Technology

Donhee Ham
Gordon McKay Professor of Electrical Engineering and of Applied Physics
School of Engineering and Applied Sciences
Harvard University
integrated circuit
Standing wave oscillator
 [ related article ]

   


        Home

        Research

        People

        PUBLICATIONS

      Courses  

        Opening
        /News



PUBLICATIONS

 RESEARCH PAPERS       DISSERTATIONS       BOOKS       MISCELLANEOUS       TALKS

line

RESEARCH PAPERS

William Andress, Hosang Yoon, Kitty Y. M. Yeung, Ling Qin, Ken West, Loren Pfeiffer, & Donhee Ham, "Ultra-subwavelength two-dimensional plasmonic circuits," submitted.

Hosang Yoon, Kitty Y. M. Yeung, V. Umansky, and Donhee Ham, "A Newtonian approach to negative refraction," submitted.

Dongwan Ha, Kyoungho Woo, Scott Meninger, Thucydides Xanthopoulos, Ethan Crain, & Donhee Ham, " Time-domain CMOS temperature sensors with dual delay-locked loops for microprocessor thermal monitoring (early online publication) ," to appear in IEEE Transactions on Very Large Scale Integration ( VLSI ) Systems. 



O. Ozgur Yildirim, Dongwan Ha, and Donhee Ham, " Fully monolithic 18.7-GHz 16-ps  GaAs mode-locked oscillators ," Proceedings of IEEE Radio-Freq. Integrated Circuits (RFIC ) Symposium, pp. 243-246, June 2011.

Nan Sun, Tae-Jong Yoon, Hakho Lee, Willliam Franklin Andress, Ralph Weissleder, and Donhee Ham, " Palm NMR and 1-chip NMR ," IEEE Journal of Solid-State Circuits (JSSC ), vol. 46, no. 1, pp. 342-352, January 2011.

Xiaofeng Li, Wenjiang Zhu, and Donhee Ham, "Phase diffusion and Lamb-shift-like spectrum shift in classical oscillators," arXiv:0908.2214 ; submitted.

Xiaofeng Li, O. Ozgur Yildirim, Wenjiang Zhu, and Donhee Ham, " Phase noise of distributed oscillators ," IEEE Transactions on Microwave Theory and Techniques, vol. 58, no. 8, pp. 2105-2117, August 2010.
 
Nan Sun, Hae-Seung Lee, and Donhee Ham, "A 2.9-mW 11-b 20-MS/s pipelined ADC with dual-mode-based digital background calibration for gain variations and device mismatches," submitted.

O. Ozgur Yildirim, Xiaofeng Li, and Donhee Ham, "Chaos generation from electrical solitons," submitted.

O. Ozgur Yildirim and Donhee Ham, "Phase-locked and mode-locked electrical nonlinear pulse oscillators," submitted.

Xiaofeng Li and Donhee Ham, "Copying information," submitted.

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.

Nan Sun, Yong Liu, Hakho Lee, Ralph Weissleder, and Donhee Ham, "Silicon RF NMR biomolecular sensor - Review," ( invited paper) Proceedings of the International Symposium on VLSI Design, Automation and Test , April 2010 (to appear).

Nan Sun, T. Yoon, H. Lee, William Andress, Vasiliki Demas, Pablo Prado, Ralph Weissleder, and Donhee Ham, " Palm NMR and one-chip NMR ," IEEE Solid-State Circuits Conference (ISSCC ) Digest of Technical Papers , pp. 488-489, Feb. 2010.

Sungwoo Nam, Xiaocheng Jiang, Qihua Xiong, Donhee Ham, and Charles M. Lieber, " Vertically integrated, three-dimensional nanowire complementary metal-oxide- semiconductor circuits ," Proceedings of the National Academy of Sciences (PNAS ), vol. 106, no. 50, pp. 21035-21038, Dec. 2009.

O. Ozgur Yildirim, David S. Ricketts, and Donhee Ham, " Reflection soliton oscillator ," IEEE Transactions on Microwave Theory and Technique, vol. 57, no. 10, pp. 2344-2353, October 2009.

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, issue 15, pp. 12925-12943, July 2009.

Nan Sun, Yong Liu, Hakho Lee, Ralph Weissleder, and Donhee Ham, " CMOS RF Biosensor utilizing nuclear magnetic resonance ," IEEE Journal of Solid-State Circuits (JSSC ), vol. 44, no. 5, pp. 1629-1643, May 2009 .

Kyoungho Woo, Scott Meninger, Thucydides Xanthopoulos, Ethan Crain, Dongwan Ha, and Donhee Ham, " Dual-DLL-based CMOS all-digital temperature sensor for microprocessor thermal monitoring ," IEEE International Solid-State Circuits Conference (ISSCC) Digest of Technical Papers, pp. 68-69, Feb 2009.

Donhee Ham, "Silicon microelectronic chips in the human healthcare and life sciences," submitted.

Nan Sun, Matthew Cole, and Donhee Ham, "Digital background calibration of pipelined ADCs using dual modes and zero-cost acceleration," submitted.

Qi Jie Wang, Christian Pflügl, William F. Andress, Donhee Ham, Federico Capasso, and Masamichi Yamanishi, " Gigahertz surface acoustic wave generation on ZnO thin films deposited by radio frequency magnetron sputtering on III-V semiconductor substrates ," Journal of Vacuum Science and Technology B, vol. 26, issue 6, pp. 1848-1851, Nov/Dec 2008.

Nan Sun, Hae-Seung Lee, and Donhee Ham, " Digital background calibration in pipelined ADCs utilizing commutated feedback capacitor switching ," IEEE Transactions on Circuits and Systems - II, vol. 55, no. 9, pp. 877-881, September 2008.

Hakho Lee, Eric Sun, Donhee Ham, and Ralph Weissleder, " Chip-NMR biosensor for detection and molecular analysis of cells ," Nature Medicine , vol. 14, no. 8, pp. 869-874, August 2008.

Nan Sun and Donhee Ham, " Digital acceleration of correlation-based digital background calibration in pipelined ADCs ," Technical Report , Harvard University, August 2008.

Yong Liu, Nan Sun, Hakho Lee, Ralph Weissleder, and Donhee Ham, " CMOS mini nuclear magnetic resonance (NMR) system and its application for biomolecular sensing ," IEEE International Solid-State Circuits Conference (ISSCC) Digest of Technical Papers, pp. 140 - 141, Feb 2008.

Nan Sun, William Andress, Kyoungho Woo, and Donhee Ham, "Surpassing tradeoffs by separation: examples in transmission line resonators, phase-locked loops, and analog-to-digital converters," (invited paper) Journal of Semiconductor Technology and Science, September 2008 (in press).

Kyongho Woo, Yong Liu, Eunsoo Nam, and Donhee Ham, " Fast-lock hybrid PLL combining fractional- N and integer-N modes of differing bandwidths ," IEEE Journal of Solid-State Circuits (JSSC ), vol. 43, no. 2, pp. 379 - 389, February 2008.

William Andress, Kyoungho Woo, and Donhee Ham, " Surpassing tradeoffs by separation: examples in frequency generation circuits ," (Invited paper), SiRF, January 2008.

Xiaofeng Li, David Ricketts, and Donhee Ham, " Solitons in electrical networks ," McGraw-Hill 2008 Yearbook of Science and Technology, McGraw-Hill, 2008.

Donhee Ham and Robert M. Westervelt, " The silicon that moves and feels small living things ," IEEE Solid-State Circuits Society Newsletter , Fall issue, vol. 12, no. 4, pp. 4-9, October 2007.

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 . See also Comments & Response , IEEE Journal of Solid-State Circuits, vol. 43, no. 6, pp. 1491 - 1493, June 2008 .

Kyoungho Woo, Yong Liu, and Donhee Ham, " Fast-lock hybrid PLL combining fractional- & integer- N modes of differing bandwidths ," Proceedings of IEEE VLSI Symposium , pp. 260-261, June 2007 - The PDF in the link is an unofficial, but editorially better version of the paper .

Hakho Lee, Yong Liu, Donhee Ham, and Robert M. Westervelt, " Integrated cell manipulation system - CMOS/microfluidic hybrid ," Lab on a Chip, vol. 7, no. 3, pp. 331-337, March 2007.

Yong Liu, Woogeun Rhee, Daniel Friedman, and Donhee Ham, " All-digital dynamic self-detection and self-compensation of static phase offsets in charge-pump PLLs ," IEEE International Solid-State Circuits Conference ( ISSCC) Digest of Technical Papers , pp. 176-177, Feb. 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.

Yong Liu, Hakho Lee, Robert M. Westervelt, and Donhee Ham, "CMOS meets bio," (Invited paper) Proceedings of IEEE Asian Solid-State Circuits Conference (A-SSCC) , pp. 419-422, November 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.

Hakho Lee, Yong Liu, Robert M. Westervelt, and Donhee Ham, " IC/Microfluidic hybrid system for magnetic manipulation of biological cells ," IEEE Journal of Solid-State Circuits ( JSSC), vol. 41, no. 6, pp. 1471-1480, 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.

Nature, News & Views article by Thomas H. Lee, " Electrical solitons come of age ," Nature, vol. 440, 36-37, March 2006. This article reviews Ricketts, Li, and Ham, " Electrical soliton oscillator ," IEEE Trans. Microw. Theory & Tech. (T-MTT ), vol. 54, no. 1, pp. 373-382, Jan. 2006. Also see Harvard Gazette .

David Ricketts and Donhee Ham, " A chip-scale electrical soliton modelocked oscillator ," IEEE International Solid-State Circuits Conference ( ISSCC) Digest of Technical Papers , pp. 432-433, Feb. 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, Jan. 2006.

Yong Liu, Hakho Lee, Robert M. Westervelt, and Donhee Ham, " IC/microfluidic hybrid system for biology: review ," (Invited Paper) Proceedings of the IEEE Bipolar/BiCMOS Technology Meeting ( BCTM), pp. 174-179, Oct. 2005.

David Ricketts, Xiaofeng Li, Matt DePetro, and Donhee Ham, " A self-sustained electrical soliton oscillator ," IEEE International Microwave Symposium, June 2005.

Robin S. Friedman, Michael C. McAlpine, David S. Ricketts, Donhee Ham, and Charles M. Lieber,
" High-speed integrated nanowire circuits ," Nature 434, 1085, April 2005. Click here for Crimson story .

William Andress and Donhee Ham, " Standing wave oscillators utilizing wave-adaptive tapered transmission lines ," IEEE Journal of Solid-State Circuits ( JSSC), vol. 40, no. 3, pp. 638-651, March 2005.

Hakho Lee, Yong Liu, Eben Alsberg, Donald E. Ingber, Robert M. Westervelt, and Donhee Ham, " An IC/microfluidic hybrid microsystem for 2D magnetic manipulation of individual biological cells , " IEEE International Solid-State Circuits Conference (ISSCC) Digest of Technical Papers, pp. 80-81, Feb. 2005.

William Andress and Donhee Ham, " Recent developments in standing wave oscillator design: review ," (Invited Paper) Proeedings of the IEEE RFIC Symposium, pp. 119-122, June 2004.

William Andress and Donhee Ham, " Standing wave oscillators utilizing wave-adaptive tapered transmission lines ," Proceedings of the IEEE VLSI Symposium, pp. 50-53, June 2004.

Donhee Ham and William Andress, " A circular standing wave oscillator ," IEEE International Solid-State Circuits Conference (ISSCC) Digest of Technical Papers , pp. 380-381, Feb. 2004.

Publications prior to Harvard

" Virtual damping and Einstein relation in oscillators ," IEEE Journal of Solid-State Circuits, vol. 38, p. 407, 2003 .

" Virtual damping in oscillators ," IEEE CICC 2002. 

" Concepts and methods in optimization of integrated LC VCOs ," IEEE Journal of Solid-State Circuits, vol. 36, p. 896, 2001.

" Design and optimization of a low noise 2.4 GHz CMOS VCO with int. LC tank ... " IEEE ISCAS 2000.

" Complete noise analysis for CMOS switching mixers via stochastic differential ... " IEEE CICC 2000.

 line



DISSERTATIONS

William Franklin Andress, Electronics-regime plasmonics in reduced dimensions , PhD dissertation, Harvard University, 2011.

O. Ozgur Yildirim, Stable and chaotic electrical pulse oscillators , PhD dissertation, Harvard University, 2011.

Nan Sun, Handheld CMOS NMR Systems and their Applications for Biomolecular Sensing, PhD dissertation, Harvard University, 2010.

Xiaofeng Li, Three Problems from Self-Sustained Oscillators, PhD dissertation, Harvard University, 2010.

Kyoungho Woo, Hybrid-PLL Frequency Synthesizers and DLL-Based CMOS Temperature Sensors , PhD dissertation, Harvard University, 2008.

Yong Liu, CMOS Magnetic Cell Manipulator and CMOS NMR Biomolecular Sensor, PhD dissertation, Harvard University, 2007.

David S. Ricketts, The Electrical Soliton Oscillator, PhD dissertation, Harvard University, 2006.

William Andress, Standing Wave Adaptive 1D Resonator Tapering , BS thesis, Harvard U., 2004.

Donhee Ham, Statistical Electronics: Noise Processes in Integrated Communication Systems, PhD dissertation, Caltech, 2002.

line



BOOKS & BOOK CHAPTERS
David Ricketts and Donhee Ham, Electrical Solitons: Theory, Design, and Applications, CRC Press 2010.

Hakho Lee, Donhee Ham, and Robert M. Westervelt (Eds), CMOS Biotechnology , Springer 2007.

David Ricketts, Xiaofeng Li, and Donhee Ham, "Soliton Electronics," in Circuits for Emerging Technologies - CMOS and beyond, CRC Press (to appear).

Donhee Ham, Hakho Lee, and Robert M. Westervelt, "Chapter 1: Introduction" in CMOS Biotechnology , Springer 2006 - excerpt here .

Hakho Lee, Donhee Ham, and Robert M. Westervelt, "Chapter 4: IC/Microfluidic hybrid system," in CMOS Biotechnology , Springer 2006.

Yong Liu, Hakho Lee, Robert M. Westervelt, and Donhee Ham, "Chapter 5: CMOS magnetophoresis," in CMOS Biotechnology , Springer 2006.

Donhee Ham, "Trade-offs in design of integrated LC voltage-controlled oscillators," an invited chapter in Trade-offs in Analog Circuit Design , Kluwer Academic Publishers, 2002.

line



MISCELLANEOUS
D. Ham et al, Guest Editorial for the IEEE J. Solid-State Circuits Jan 2009 Issue.

S. Nam, X. Jiang, Q. Xiong, D. Ham, and C. M. Lieber, "Vertically-integrated three-dimensional nanowire CMOS circuits," MRS Symposium, Springer 2008.

K. Woo, D. Ham, "Fast-locking integer/fractional-N hybrid PLL frequency synthesizer," Proceedings of IEEE Midwest Symposium on Circuits & Systems , August 2006.

R. S. Friedman, M. C. McAlpine, D. S. Ricketts, D. Ham, and C. M. Lieber, "Fully integrated high frequency nanowire ring oscillators," MRS Symposium , Spring 2005.

Hakho Lee, Tom Hunt, Yong Liu, Donhee Ham, and Robert M. Westervelt, "Electric and magnetic manipulation of biological systems," International Conference on the Physics of Semiconductors , July 2004.

line




SELECTED INVITED TALKS (since Harvard)

 2013.     Royal Society of London, UK. 
2012.09. ESSDERC plenary talk, Bordeux, France.
2012.06. IEEE RFIC Symposium Workshop, Montreal, Canada.
2012.03. American Physics Society (APS) March Meeting, Boston, MA.
2012.02. Harvard Thinks Big, Sanders Theatre, Harvard, Cambridge, MA.
2011.12. ULTRA, Seoul, Korea. 
2011.11. IEEE BioCAS plenary tutorial, San Diego, CA.
2011.10. University of Illinois, Urbana-Champagne, IL.
2011.09. EPFL, Lausanne, Switzerland.
2011.08. Korea Academy of Science and Engineering, Seoul, Korea.
2011.08. ULTRA, Salt Lake City, UT.
2011.07. POSTECH, Pohang, Korea.
2011.06. US-Korea JSNT, Gyungju, Korea.
2011.04. University of California, Los Angeles, CA.
2011.03. Indian Institute of Technology, Delhi, India.
2011.01. MIT Lincoln Laboratory, Lexington, MA.
2010.11. International SoC Design Conference (Keynote), Incheon, Korea.
2010.11. Geumjung, Busan, Korea.
2010.11. Bruker Biospin, Billerica, MA.
 2010.08. HRL, Malibu, CA.
2010.06. Korea Presidential Council for Future & Vision, Seoul, Korea.
2010.05. Seoul National University, SNU-Sweden Workshop, Seoul, Korea.
2010.04. IEEE VLSI-DAT, Hsinchu, Taiwan.
2010.04. Seoul National University (Physics), Seoul, Korea.
2010.03. Kyunghee University, Suwon, Korea.
2010.03. POSTECH (EE), Pohang, Korea.
2010.02. IEEE Int. Solid-State Circuits Conference (ISSCC) Special Evening Session, 
             San Francisco, CA.
2010.01. POSTECH (WCU-ITCE), Pohang, Korea.
2009.12. Princeton University, Princeton, NJ.
2009.12. Massachusetts Institute of Technology, MTL Medical Electronics Workshop,
             Cambridge, MA.
2009.11. IEEE ASSCC Tutorial, Taipei, Taiwan.
2009.08. Massachusetts Institute of Technology, Cambridge, MA.
2009.07. Electronics and Telecommunications Research Institute (ETRI), Daejeon,
             Korea.
2009.07. Seoul National University (EE), Seoul, Korea.
2009.07. Korea University (EE, Physics), Seoul, Korea.
2009.07. KAIST, Daejeon, Korea.
2009.06. International POSCO Workshop, Pohang, Korea.
2009.06. IEEE RFIC Symposium Workshop, Boston, MA.
2009.05. Harvard Industry Partnership Workshop, Cambridge, MA.
2009.04. Experimental NMR Conference, Asilomar, CA.
2009.03. Swiss Electronics Center (CSEM), Neuchatel, Switzerland.
2009.03. EPFL, Lausanne, Switzerland.
2009.03. Caltech, Pasadena, CA, March 2009 (cancelled due to illness).
2009.03. University of Pennsylvania, Philadelphia, PA.
2009.02. National Taiwan University, Taipei, Taiwan.
2009.02. Seoul National University (EE), Seoul, Korea.
2009.02. POSTECH, Pohang, Korea.
2009.02. Harvard University, Cambridge, MA.
2009.02. IEEE Int. Soild-State Circuits Conference (ISSCC), Special Evening Session,
             San Francisco, CA.
2009.02. CMOS Emerging Technology Workshop, Calgary, Canada.
2009.01. Harvard University (SEAS), Cambridge, MA.
2009.01. Stanford University, Stanford, CA.
2009.01. University of California, San Diego, CA.
2009.01. Cavium Networks Inc. Malborough, MA.
2009.01. IBM T. J. Watson Research, Yorktown Heights, NY.
2009.01. Carnegie Mellon University, Pittsburgh, PA.
2008.11. University of Pavia, Pavia, Italy.
2008.08. Harvard University, Cambridge, MA.
2008.10. Delft University, Delft, the Netherlands.
2008.10. Columbia University, New York, NY.
2008.10. Cornell University, Ithaca, NY.
2008.10. University of Rochester, Rochester, NY.
2008.09. University of California, Berkeley, CA.
2008.09. MIT Technology Review Emerging Technology Workshop, Cambridge, MA.
2008.09. University of Michigan (Workshop), Ann Arbor, MI.
2008.09. University of Michigan (EE), Ann Arbor, MI.
2008.08. Analog Devices Inc., Wilmington, MA.
2008.06. Schlumberger-Doll Research (MRPM), Cambridge, MA.
2008.06. Hiroshima University, Hiroshima, Japan.
2008.06. Tokyo Symposium, Tokyo, Japan.
2008.04. Massachusetts Institute of Technology, MTL seminar, Cambridge, MA.
2008.03. Gomactech, Las Vegas, NV.
2008.02. IEEE International Solid-State Circuits Conference (ISSCC) Tutorial, San
             Francisco, CA.
2007.12. ISDRS, College Park, MD.
2007.11. Yale University, New Haven, CT.
2007.07. Samsung Advanced Institute of Technology, Suwon, Korea.
2007.07. CMOS Emerging Technology Workshop, Whistler, Canada (2 talks).
 2007.06. JASON Nanotechnology Study, La Jolla, CA.
2007.06. Department of Defense, Washington DC.
2007.05. University of Wisconsin, Madison, WI.
2007.03. University of Texas, Austin, TX.
2006.12. Tohoku University, Sendai, Japan (with Yong Liu).
2006.12. National Taiwan University, Taipei, Taiwan.
2006.12. International Workshop on Innovations and Advanced Studies, Tainan,
             Taiwan.
2006.11. Cornell University, Center for Nanoscale Systems, Ithaca, NY.
2006.11. IEEE ASSCC, Hangzhou, China.
2006.07. Seoul National University (EE), Seoul, Korea.
2006.05. University of California, San Diego, CA.
2006.04. University of Massachusetts, Amherst, MA.
2006.02. IEEE International Solid-State Circuits Conference (ISSCC), Circuit Forum,
             San Francisco, CA (with Xiaofeng Li).
2005.12. IBM T. J. Watson Research Center, Yorktown Heights, NY. 
2005.11. Samsung Advanced Institute of Technology, Suwon, Korea.
2005.11. Electronics and Telecommunications Research Institute (ETRI), Daejeon, 
             Korea.
2005.10. Draper Laboratory, Cambridge, MA.
2005.10. Columbia University, New York, NY.
2005.09. Cornell University, Ithaca, NY.
2005.08. Seoul National University (EE), Seoul, Korea.
2005.06. IEEE RFIC Symposium, Long Beach, CA.
2005.05. Massachusetts Institute of Technology, Cambridge, MA.
2004.11. University of Michigan, Ann Arbor, MI.
2004.11. University of Tokyo, Tokyo, Japan.
2004.08. IBM T. J. Watson Research Center, Yorktown Heights, NY.
2004.07. Korea University, Seoul, Korea.
2004.07. Samsung Electronics, Suwon, Korea.
2004.06. KAIST, Daejeon, Korea.
2004.05. Massachusetts Institute of Technology, Cambridge, MA.
2004.03. International Sip/Soc Workshop, Japan.
2003.11. University of California, Berkeley, CA.
2003.10. University of Rochester, NY.
2003.06. IEEE RFIC Symposium Workshop, Philadelphia, PA.
2003.05. Massachusetts Instittue of Technology, Cambridge, MA.
2003.04. University of Pennsylvania, Philadelphia, PA.
2002.11. Analog Devices Inc., Wilmington, MA.
2002.11. (ca) Global Communication Devices, Andover, MA.
2002.10. Samsung Electronics, Bundang, Korea.
2002.10. Seoul National University, Seoul, Korea.

line
Maxwell-Dworkin Laboratory, Harvard University, 33 Oxford Street, Cambridge, MA 02138, USA
Donhee Ham: (617) 496-9451, Fax: (617) 495-2489, Email: donhee@seas.harvard.edu
Labs: (617) 496-0142, (617) 496-0318, (617)-496-3361, (617) 496-3267, (617) 496-3163
© 2007 Donhee Ham. All Rights Reserved. Last modified December 15th, 2010.