137 citations · 417 across the 8 of their papers we have counts for
8 papers
Readout-induced suppression and enhancement of superconducting qubit lifetimes
Ted Thorbeck, Zhihao Xiao, Archana Kamal +1
It has long been known that the lifetimes of superconducting qubits suffer during readout, increasing readout errors. We show that this degradation is due to the anti-Zeno effect,…
TLS Dynamics in a Superconducting Qubit Due to Background Ionizing Radiation
Ted Thorbeck, Andrew Eddins, Isaac Lauer +2
Superconducting qubit lifetimes must be both long and stable to provide an adequate foundation for quantum computing. This stability is imperiled by two-level systems (TLSs), curre…
Matching and maximum likelihood decoding of a multi-round subsystem quantum error correction experiment
Neereja Sundaresan, Theodore J. Yoder, Youngseok Kim +7
Quantum error correction offers a promising path for performing quantum computations with low errors. Although a fully fault-tolerant execution of a quantum algorithm remains unrea…
Digital coherent control of a superconducting qubit
Edward Leonard, Matthew A. Beck, JJ Nelson +15
High-fidelity gate operations are essential to the realization of a fault-tolerant quantum computer. In addition, the physical resources required to implement gates must scale effi…
Measurement of a Superconducting Qubit with a Microwave Photon Counter
A. Opremcak, I. V. Pechenezhskiy, C. Howington +12
Fast, high-fidelity measurement is a key ingredient for quantum error correction. Conventional approaches to the measurement of superconducting qubits, involving linear amplificati…
Reverse isolation and backaction of the SLUG microwave amplifier
T. Thorbeck, S. Zhu, E. Leonard +4
An ideal preamplifier for qubit measurement must not only provide high gain and near quantum-limited noise performance, but also isolate the delicate quantum circuit from noisy dow…
Formation of Strain-Induced Quantum Dots in Gated Semiconductor Nanostructures
Ted Thorbeck, Neil M. Zimmerman
Elastic strain changes the energies of the conduction band in a semiconductor, which will affect transport through a semiconductor nanostructure. We show that the typical strains i…
Determining the Location and Cause of Unintentional Quantum Dots in a Nanowire
Ted Thorbeck, Neil M. Zimmerman
We determine the locations of unintentional quantum dots (U-QDs) in a silicon nanowire with a precision of a few nanometers by comparing the capacitances to multiple gates with a c…