Quantum by Design

Engineering three-body electromagnetic interactions using superconducting circuits for multiqubit gates

Quantum Gates

Tunable coupler enabling two-qubit gates approaching 99.9% fidelity

Quantum Materials

Integrating van der Waals materials with superconducting qubits and cavity QED

Quantum Optics

Engineering quantum interference to protect giant artificial atoms coupled to open waveguides

Quantum Engineering

24-pin package routing input/output signals that control a quantum processor

Quantum-Limited Amplifiers

Near-quantum-limited traveling wave parametric amplifiers (TWPAs)

Quantum Workforce

Vibrant team of post docs, graduate students, and undergraduate researchers

Quantum Hollywood Squares

High-connectivity in the age of online group meetings

Quantum Circuits

Integrated quantum circuits fabricated on 200 mm silicon wafers

Quantum Control

Controlling quantum systems with microwave pulses

Quantum Interference

Landau-Zener-Stueckelberg quantum interference realized with superconducting qubits.

Quantum Systems

Engineering physics in the pursuit of coherent quantum systems and extensible technologies

Mission:

We are a diverse team of physicists and engineers working together to understand, design, manufacture, and control coherent quantum systems comprising superconducting artificial atoms (qubits) for quantum information science and technology applications. Our efforts span fundamental research to applied physics and systems engineering.

Recent News:

11/21/2022 – Tim, Will, and collaborators’ manuscript, “Demonstration of Tunable Three-Body Interactions between Superconducting Qubits,” published in the Physical Review Letters

11/4/2022 – Gabriel Samach successfully defended his PhD Thesis

10/25/2022 – Will is appointed Henry Ellis Warren (1894) Professor in EECS!

10/13/2022 – Alex featured on MIT News!

10/7/2022 – Thomas, Tim, Will, and collaborators’ manuscript, “Distinguishing Multispin Interactions from Lower-Order Effects,” published in the Physical Review Applied

Recent Publications:

Longitudinal coupling between a Si/SiGe quantum dot and an off-chip TiN resonator
J. Corrigan, B. Harpt, N. Holman, R. Ruskov, P. Marciniec, D. Rosenberg, D. Yost, R. Das, W. D. Oliver, R. McDermott, C. Tahan, M. Friesen, M. A. Eriksson
arXiv:2212.02736 (2022)

Demonstration of tunable three-body interactions between superconducting qubits
T. Menke, W. P. Banner, T. R. Bergamaschi, A. Di Paolo, A. Vepsäläinen, S. J. Weber, R. Winik, A. Melville, B. M. Niedzielski, D. Rosenberg, K. Serniak, M. E. Schwartz, J. L. Yoder, A. Aspuru-Guzik, S. Gustavsson, J. A. Grover, C. F. Hirjibehedin, A. J. Kerman, W. D. Oliver
Phys. Rev. Lett. 129, 220501 (2022) | arXiv:2205.04542 (2022)

CircuitQ: An open-source toolbox for superconducting circuits
P. Aumann, T. Menke, W. D. Oliver, W. Lechner
New J. Phys. 24 093012 (2022) | arXiv:2106.05342 (2021)

Distinguishing multi-spin interactions from lower-order effects
T. R. Bergamaschi, T. Menke, W. P. Banner, A. Di Paolo, S. J. Weber, C. F. Hirjibehedin, A. J. Kerman, W. D. Oliver
Phys. Rev. Applied 18, 044018 (2022) | arXiv:2111.12717 (2021)

Nonreciprocal devices based on voltage-tunable junctions
C. Leroux, A, Parra-Rodriguez, R.Shillito, A. Di Paolo, W. D. Oliver, C. M. Marcus, M. Kjaergaard, A. Gyenis, A. Blais
arXiv:2209.06194 (2022)