Konrad Lehnert

Applied Physics Department
Yale University
P.O. Box 208284
New Haven CT 06520-8284
PHONE: (203) 432-2499
FAX: (203) 432-4283
EMAIL: konrad.lehnert@yale.edu

Education

University of California at Santa Barbara , Santa Barbara, CA
Ph.D., Physics [June 1999]

Harvey Mudd College, Claremont, CA
B.S., with honors, Physics [May 1993]

 

Experience
Yale Applied Physics Department, New Haven CT
Associate Research Scientist [Decemeber 2001-present]

Post-doctoral Associate [August 1999-November 2001]
Advisor: Prof. Robert J. Schoelkopf

University of California at Santa Barbara , Santa Barbara, CA
Graduate Student Researcher, [1995-1999]
Dissertation:
"Nonequilibrium dynamics in mesoscopic superconductor-semiconductor-superconductor junctions"
Advisor: Prof. S. James Allen,

Teaching Assistant[1994-1995]
TA for Prof. Carl Gwinn and Prof. Jeffery Richmond

Pacific Communication Sciences Inc., San Diego, CA
Member of Technical Staff (Analog/RF designer), [1993-1994]
supervisor: John O’Connor

Orbisphere Laboratories, Geneva, Switzerland
Summer Researcher, [summer 1993]
supervisor: John Hale

Harvey Mudd Engineering Clinic , Claremont, CA
Team Leader [1992-1993]
Engineering Clinic Dissertation
"Characterization of the RF-multipath between transmitting and receiving antennae on a C131 aircraft"
advisor: Prof. Jeevan Hoole

National Nanofabrication Facility at Cornell University, Ithaca, NY
National Science Foundation REU, [summer 1992]
advisor: Prof. Michael Isaacson;

Phillips Petroleum Co., Plastics Technical Center, Bartlesville, OK
Engineering Assistant, [summer 1990]
supervisor: Pierre Muri

 

Publications

Mid-infrared Studies of the Contact Region at Superconductor-Semiconductor Interfaces, T. A. Eckhause, S. Tsujino, K. W. Lehnert, E. G. Gwinn, S. J. Allen, M. Thomas, and H. Kroemer, Appl. Phys. Lett. 76, 215 (2000).

Nonequilibrium AC Josephson Effect in Mesoscopic Nb-InAs-Nb Junctions, K. W. Lehnert, N. Argaman, H. R. Blank, K. C. Wong, S. J. Allen, E. L. Hu, and H. Kroemer, Phys. Rev. Lett. 82, 1265 (1999).

Nonequilibrium Superconductivity in Mesoscopic Nb/InAs/Nb Junctions, (invited article) K. W. Lehnert, J. G. E. Harris, S. J. Allen, N. Argaman, Superlatt. Microstr. 25, 839 (1999).

Spectroscopic study of Kondo insulator YbB12 using a free electron laser, H. Ohta, T. Nanba, K. Lehnert, S.J. Allen, M. Motokawa, F. Iga, M. Kasaya, J. of magnetism and Mag. Mat. 177-181 341 (1998).

 

Conferences Papers and Invited talks

2002 APS March meeting, Invited presentation, Decoherence time and Excited-state lifetime of a Cooper-pair Box.

Observing single-electron tunneling events in a superconducting single electron transistor K. W. Lehnert, P. Wahlgren, Per Delsing, R. J. Schoelkopf, to appear in the proceedings of the 36th Recontres de Moriond conference (2001).
36th Recontres de Moriond Electronic Correlations: From meso- to nano- physics, January 2001.

24th International Conference on the Physics of Semiconductors (ICPS 24), August 1998, contributed oral presentation and paper.

Nonequilibrium Supercurrents in Mesoscopic Nb-InAs-Nb Junctions, K. W. Lehnert, N. Argaman, H. R. Blank, K. C. Wong, S. J. Allen, E. L. Hu, H. Kroemer, Microelectronic Engineering 47, 377 (1999).
4th International Symposium on New Phenomena in Mesoscopic Structures (NPMS 4), December 1998.

 

Personal Information

Born: January 22, 1971 in Bogota, Colombia
Citizenship: United States

 

References

Prof. Robert Schoelkopf
Applied Physics Department
Yale University
P.O. Box 208284
New Haven CT 06520-8284
email: robert.schoelkopf@yale.edu

Phone: (203) 432-4289
FAX: (203) 432-4283

Prof. Michel Devoret Applied Physics Department (starting January 2002)
Yale University
P.O. Box 208284
New Haven CT 06520-8284
EMAIL: devoret@drecam.saclay.cea.fr

Prof. S. James Allen (Dissertation committee chair)
Quantum Institute
University of California
Santa Barbara CA 93106
EMAIL: allen@qi.ucsb.edu
Phone: (805) 893-7134
FAX: (805) 893-4170.

Prof. Herbert Kroemer
Department of Electrical and Computer Engineering
University of California
Santa Barbara CA 93106
EMAIL: kroemer@ece.ucsb.edu
Phone: (805) 893-3078
FAX: (805) 893-7990.


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