High Performance Superconducting Qubit Technology and Engineering Research (HiPSTER)
Abstract
The superconducting qubit modality Ð along with trapped ions Ð is at the forefront of experimental quantum information processing, with coherence times approaching 100 microseconds, gate fidelities exceeding 99%, and prototype demonstrations of quantum error correction and (soon) supremacy. Despite these remarkable achievements, building functional small-scale quantum processors will require further technical and engineering improvements, particularly for two-qubit gate and readout fidelities. The High Performance Superconducting Qubit Technology and Engineering Research (HiPSTER) program will advance the state-of-art in two-qubit gate fidelity and qubit readout. In this program, we will: 1. Further refine through Hamiltonian engineering our state-of-art coherence qubits (T2 ~ 100 us) to build advanced two-qubit gates; 2. Assess these two-qubit gates with advanced noise spectroscopy and quantum validation and verification to identify error channels; 3. Mitigate these errors using optimal quantum control methods; 4. Develop and apply machine learning algorithms to further improve calibration, control, and qubit design; 5. Advance the travelling wave parametric amplifier dynamic range and quantum efficiency to improve readout fidelity. The major outcomes of the HiPSTER program will include: ¥ 1QB & 2QB gate fidelity beyond 99.9%; ¥ qubit readout fidelity beyond 99% in less than 500 ns; To address these problems, we have assembled a strong, multi-disciplinary team of experimentalists and theorists with the following expertise): - Oliver & Gustavsson (MIT): state-of-art high-coherence qubit fabrication and measurements; novel qubit designs and paramps (TWPAs); noise spectroscopy; - Lloyd (MIT): classical and quantum machine learning for calibration and control; - Blais (Sherbrooke): simulation, modeling, and design of advanced quantum systems We propose a four-year program for a total amount of $650K/year. The effort will include personnel support, consumables, which include microwave components, liquid nitrogen, and other experimental pieces and consumables, and domestic travel as required by the program.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Apr 08, 2019
- Source ID
- W911NF1810411
Entities
People
- William D Oliver
Organizations
- Army Contracting Command
- Massachusetts Institute of Technology
- National Security Agency