Grants per year
Personal profile
Research Interests
Professor Koch’s research interests in theoretical condensed matter physics include strongly correlated quantum systems, quantum information processing with solid-state devices as well as transport and coherence in nanoscale systems. He explores the exciting prospects of applying quantum circuit devices as artificial atoms in quantum computation and quantum optics and, in collaboration with several experimental groups, studies coherence of novel quantum circuits. His second research thrust focuses on larger array systems composed of Josephson-junction based circuits (superconducting qubits) and superconducting microwave resonators. Polaritons in such circuit QED arrays are predicted to undergo quantum phase transitions of polaritons and may lead to quantum simulators of strongly interacting photons.
Education/Academic qualification
Physics, PhD, Free University of Berlin
… → 2006
Physics, BS, Universität Kaiserslautern
… → 2000
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Grants
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Expanding functionality and enhancing documentation of scQubits, an open-source Python package for superconducting qubits
Air Force Office of Scientific Research
8/15/20 → 8/14/22
Project: Research project
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QuantiSED research at Fermilab
Fermi Research Alliance, LLC, Fermi National Accelerator Laboratory, Department of Energy
3/18/20 → 8/31/21
Project: Research project
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Off-campus Subproject for QuantiSED research at Fermilab
Fermi Research Alliance, LLC, Fermi National Accelerator Laboratory, Department of Energy
3/18/20 → 8/31/21
Project: Research project
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Graduate Student Support Supplement for Realizing High-Fidelity Gates in Protected Qubits
Princeton University, Army Research Office
10/24/18 → 10/23/22
Project: Research project
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Realizing High-Fidelity Gates in Protected Qubits
Princeton University, Army Research Office
10/24/18 → 10/23/22
Project: Research project
Research Output
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Low-frequency dispersion of phonons in one-dimensional chains
Moy, B. T., Koch, J. & Garg, A., May 2020, In: European Journal of Physics. 41, 3, 035801.Research output: Contribution to journal › Article › peer-review
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Quantum control of an oscillator using a stimulated Josephson nonlinearity
Vrajitoarea, A., Huang, Z., Groszkowski, P., Koch, J. & Houck, A. A., Feb 1 2020, In: Nature Physics. 16, 2, p. 211-217 7 p.Research output: Contribution to journal › Article › peer-review
3 Scopus citations -
Universal gates for protected superconducting qubits using optimal control
Abdelhafez, M., Baker, B., Gyenis, A., Mundada, P., Houck, A. A., Schuster, D. & Koch, J., Feb 2020, In: Physical Review A. 101, 2, 022321.Research output: Contribution to journal › Article › peer-review
2 Scopus citations -
Circuit quantization in the presence of time-dependent external flux
You, X., Sauls, J. A. & Koch, J., May 21 2019, In: Physical Review B. 99, 17, 174512.Research output: Contribution to journal › Article › peer-review
3 Scopus citations -
Control and coherence time enhancement of the 0-π qubit
Paolo, A. D., Grimsmo, A. L., Groszkowski, P., Koch, J. & Blais, A., Apr 4 2019, In: New Journal of Physics. 21, 4, 043002.Research output: Contribution to journal › Article › peer-review
Open Access5 Scopus citations