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| Andrew N. Cleland | |
|---|---|
| Name | Andrew N. Cleland |
| Fields | Nanoscience; Quantum information; Experimental physics |
| Workplaces | University of Chicago; Argonne National Laboratory; University of California, Santa Barbara; California Institute of Technology |
| Alma mater | Cornell University; Harvard University |
| Doctoral advisor | Michel Devoret |
| Known for | Quantum superconducting circuits; quantum measurement; nanomechanics |
| Awards | MacArthur Fellows Program; Fellow of the American Physical Society; Ralph E. Powe Award |
Andrew N. Cleland is an American experimental physicist known for pioneering work in superconducting quantum circuits, nanomechanical resonators, and quantum measurement. He has led experiments demonstrating ground-state cooling of mechanical systems, quantum control of macroscopic resonators, and advances in superconducting qubit readout, collaborating across institutions such as California Institute of Technology, University of Chicago, and Argonne National Laboratory. Cleland's work intersects efforts by researchers at IBM Research, Google Quantum AI, and groups led by John Martinis, Robert Schoelkopf, and Mikhail Lukin.
Cleland studied physics in academic environments including Harvard University and Cornell University, receiving training that placed him in the lineage of experimentalists working with Michel Devoret and groups connected to SUNY Stony Brook and Yale University laboratories. His doctoral work involved superconducting devices and mesoscopic physics, joining networks of researchers at Bell Labs alumni circles and frequent collaborations with scholars from Princeton University and Stanford University. Early mentors and contemporaries included investigators associated with NIST measurement programs and faculty from MIT and UC Berkeley.
Cleland held faculty and research positions at institutions including California Institute of Technology and University of Chicago, and engaged in laboratory partnerships with Argonne National Laboratory and national user facilities connected to SLAC National Accelerator Laboratory and Lawrence Berkeley National Laboratory. He led groups focusing on superconducting qubits, nanomechanics, and quantum-limited amplifiers, interacting with teams at Yale University and Columbia University working on circuit quantum electrodynamics. His laboratories performed experiments using cryogenic platforms developed in concert with instrumentation groups from NIST and IBM Research, and his career encompassed collaborations with theorists from Harvard University, Caltech, and MIT.
Cleland's group demonstrated multiple landmark experiments bridging quantum mechanics of superconducting circuits and mechanical resonators, contributing to the development of circuit quantum electrodynamics pioneered by Robert J. Schoelkopf and Alexandre Blais. Key contributions include ground-state cooling of mechanical modes using microwave circuits related to work from John Teufel's and Jasper van der Laan-style experiments, quantum state transfer between superconducting qubits and mechanical resonators paralleling themes explored by Andrew A. Houck and Michel Devoret, and precision quantum measurement techniques akin to approaches by Anastasia Tzalenchuk and Michel H. Devoret. His experiments integrated microwave parametric amplification similar to devices developed at Yale University and UC Santa Barbara, and employed fabrication methods shared with groups at Sandia National Laboratories and Northwestern University.
Major experiments from his laboratories included coherent coupling of qubits to mechanical elements in setups related to protocols studied by Seth Lloyd and Peter Zoller, demonstration of high-quality-factor nanomechanical resonators fabricated with techniques from Bell Labs-era cleanrooms, and measurements of quantum backaction and measurement-induced dephasing with conceptual ties to work by A. A. Clerk and Klaus Mølmer. Cleland's teams also contributed to efforts in quantum thermodynamics experiments that resonate with research at Los Alamos National Laboratory and Oak Ridge National Laboratory.
Cleland's recognitions include fellowships and prizes from organizations such as the MacArthur Fellows Program and election as a Fellow of the American Physical Society, joining a cohort that includes recipients from National Academy of Sciences-linked circles and honorees from American Association for the Advancement of Science. He has received institutional awards like the Ralph E. Powe Award and has been principal investigator on grants from National Science Foundation and Department of Energy programs, collaborating on multi-investigator initiatives with teams supported by Office of Naval Research and Defense Advanced Research Projects Agency.
Cleland authored and coauthored papers appearing alongside contributions from groups at Caltech, Harvard University, Yale University, and Princeton University, addressing superconducting qubits, nanomechanics, and quantum measurement. Representative works include experiments on mechanical ground-state cooling, demonstrations of coherent qubit–resonator coupling, and studies of quantum-limited amplifiers, which are cited by researchers at IBM Research, Google Quantum AI, and national laboratories such as Argonne National Laboratory and Lawrence Livermore National Laboratory. His publications have been influential for theorists at MIT, Harvard University, University of Copenhagen, and University of Illinois Urbana-Champaign pursuing quantum control and decoherence studies.
Cleland's scientific legacy is reflected in ongoing research at institutions including University of Chicago and collaborations with national facilities such as Argonne National Laboratory and SLAC National Accelerator Laboratory. Colleagues and former students have taken positions at universities like Princeton University, Yale University, Stanford University, and industrial research labs including IBM Research and Google Quantum AI, continuing lines of inquiry initiated in his group. His work connects to broader experimental programs at NIST and to theoretical frameworks developed at Perimeter Institute and Institute for Quantum Information and Matter.
Category:American physicists Category:Quantum information scientists Category:Nanotechnology researchers