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Research focuses on experimental study of hybrid quantum systems involving magnon spintronics, integrated photonics, and nanomechanics, aiming at developing high-fidelity quantum transducers for distributed quantum networks. Such interdisciplinary research not only studies the quantum coherent phenomena of individual quantum information carriers but also seeks enhancement of their coherent interactions. Research interests also include developing integrated photonic sensors for biochemical sensing with high sensitivity and specificity, as well as wireless sensor networks in extreme conditions such as in subterranean environments.
Dr. Mohan Sarovar is a Principal Member of the Technical Staff at Sandia National Laboratories in Livermore, California. He obtained a Bachelors and Masters in Electrical Engineering from Cornell University, and a doctorate in Physics from the University of Queensland (Australia) specializing in quantum computing and quantum control. He has broad expertise in quantum technologies built up over more than 15 years of working on quantum computing, quantum communication, quantum simulation and quantum sensing. He has over 50 peer-reviewed publications in leading journals, 3 patents in the field of quantum communication, has delivered numerous invited presentations on quantum technologies, and has been a team lead in an R&D 100 Award winning project. He has led several US Department of Energy Office of Science projects and internal projects, ranging from fundamental research to applied quantum technologies. His current research portfolio is focused on developing quantum algorithms for science applications, near-term quantum computing and quantum simulation applications, developing new techniques for characterizing quantum computers, and developing applications of quantum technologies for physical security.
Yuan-Yu Jau is interested in physics and the relevant applications of quantum systems that are composed of atoms, photons, atom-like entities, spin particles, and photonic structures. He is the coauthor of the book “Optically Pumped Atoms” published by Wiley in 2010, which describes various subjects of key AMO physics and methods of detailed density-matrix calculation. At Sandia National Laboratories, he has led and participated in various research projects of quantum metrology and quantum information science, such as atomic electrometry, atom interferometry, atomic magnetometry, atomic time keeping, high-fidelity quantum logic, sensitive neutron polarimetry, optimal quantum controls, production of entangled atoms, etc. using atomic vapor, trapped ions, optically trapped neutral atoms, and neutrons.
Dr. Daniel Stick is a Distinguished Member of Technical Staff at Sandia National Labs. His research focuses on developing innovative technologies around atomic and quantum systems, including micro-fabricated surface ion traps for quantum information applications. This work includes the design and fabrication of the traps, as well as experiments with storing, transporting, and performing quantum gates on ions. Dr. Stick received his BS from Caltech and his PhD from the University of Michigan. He was the recipient of a 2012 Presidential Early Career Award for Scientists and Engineers (PECASE) for his research in trapped ion quantum computing.
Jeffrey Guest explores electronic, magnetic, optical properties of matter on nanometer length scales using ultrahigh vacuum scanning probe microscopy and ‘single particle’ laser spectroscopy techniques. He also studies and develops new ways of measuring and controlling mechanical motion of nanofabricated and self-assembled nanoscale systems.
In his current experimental work at the CNM, he is interested in understanding and controlling the electronic, magnetic, optical and quantum coherence properties of molecular and nanoscale systems. These properties are largely determined by structure and environment at the atomic scale. In order to control and characterize these nanoscale systems at these length scales, he is combining low temperature ultra-high-vacuum scanning probe microscopy (LT UHV SPM) and confocal optical microscopy and spectroscopy to explore single atoms or molecules, self-assembled molecular heterojunctions, photocatalytic surfaces, and quantum defects in 2D materials. He is particularly interested in (i) photophysics of molecular acceptor-donor complexes and defected surfaces, (ii) nanoplasmonics and tip-enhanced laser spectroscopies, and (iii) the limits of electronic, spin, and optical quantum coherence in nanoscale systems at surfaces.
Jeffrey has also been developing new approaches to measuring and controlling nanomechanical motion in nanofabricated and self-assembled systems. Using interferometric laser microscopy techniques, he has studied mechanical dynamics of membranes self-assembled from functional nanoparticles and nonlinear dynamics in nanofabricated structures. He is also developing new techniques to drive and measure the high frequency vibrations of the nanoparticles themselves. These approaches may open new doors to coupling the intrinsic functionality of nanoparticles and nanoscale systems to mechanical motion, providing new opportunities in sensing and control.
Dr. Iadecolais a theoretical physicist using diverse analytical and numerical tools to study a variety of topics in quantum condensed matter. A graduate of Brown University (Sc.B., 2012), he received his Ph.D. in Physics from Boston University in 2017. He then became a JQI Theoretical Postdoctoral Fellow at the NIST-University of Maryland Joint Quantum Institute until 2019, when he joined Iowa State University as an Assistant Professor. Research in his group focuses on out-of-equilibrium quantum systems and topological phases with a view towards emerging quantum technologies. On the nonequilibrium side, he studies properties of highly-excited many-body states and the surprising phenomena they harbor that challenge deeply ingrained intuition based on quantum statistical mechanics. On the topological side, he focuses on states of matter whose properties cannot be understood within the traditional paradigm of spontaneous symmetry breaking, and which could enable the robust storage and manipulation of quantum information. In addition to thinking about new phenomena, he grapples with ways to realize them in electronic and photonic systems, or using near-term quantum platforms.
Irfan Siddiqi received his AB (1997) in chemistry & physics from Harvard University. He then went on to receive a PhD (2002) in applied physics from Yale University, where he stayed as a postdoctoral researcher until 2005. Irfan joined the physics department at the University of California, Berkeley in the summer of 2006. In 2006, Irfan was awarded the George E. Valley, Jr. prize by the American Physical Society for the development of the Josephson bifurcation amplifier. In 2007, he was awarded the Office of Naval Research Young Investigator Award, the Hellman Family Faculty Fund, and the UC Berkeley Chancellor’s Partnership Faculty Fund.
His group, the Quantum Nanoelectronics Laboratory, investigates the quantum coherence of various condensed matter systems ranging from microscopic nanomagnets such as single molecule magnets to complex macroscopic electrical circuits. To measure the electric and magnetic properties of these quantum systems, they are developing novel microwave frequency quantum-noise-limited amplifiers based on superconducting Josephson junctions formed by both oxide tunnel barriers and carbon nanotube weak links. Current topics of research include the dependence of quantum coherence on system complexity, the non-equilibrium quantum statistical mechanics of non-linear oscillators, the quantum coherence of single molecules, and topological architectures for maximum coherence in superconducting circuits.
Areas of expertise: quantum computing, condensed matter physics, superconducting qubits, quantum limited amplifiers, quantum circuits
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