Quantum Interconnect

Emitting and absorbing directional microwave photons to generate remote entanglement

Quantum Transport

Creating synthetic electromagnetic fields to emulate the dynamics of charged particles in a 16-qubit lattice

Quantum Geometry

Investigating quantum geometry and unconventional superconductivity using cQED platforms

Quantum Gates

High-fidelity two-qubit gates exceeding 99.9% with fluxonium qubits

Quantum Entanglement

Characterizing volume-law and area-law entanglement in a 16-qubit processor

Quantum Chirality

On-demand directional microwave photon emission using waveguide quantum electrodynamics

Quantum Microwaves

Single-mode and two-mode squeezed microwave photons using a traveling wave parametric amplifier

Quantum Materials

Integrating van der Waals materials with superconducting qubits and cavity QED

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 Optics

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

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 Engineering

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

Quantum Circuits

Integrated quantum circuits fabricated on 200 mm silicon wafers

Quantum Interference

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

Quantum-Limited Amplifiers

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

Quantum Systems

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

Quantum Control

Controlling quantum systems with microwave pulses

Mission:

We are a creative 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:

4/23/2025 – Harry and collaborators’ manuscript, “Remote entangling gates for spin qubits in quantum dots using an offset-charge-sensitive transmon coupler,” was published in Physical Review Applied!

3/21/2025 – Aziza, Beatriz, and collaborators’ manuscript, “Deterministic remote entanglement using a chiral quantum interconnect,” was published in Nature Physics!

3/18/2025 – David and collaborators’ manuscript, “Qubit-state purity oscillations from anisotropic transverse noise,” was published in Physical Review!

2/5/2025 – Miuko, Joel, and collaborators’ manuscript, “Superfluid stiffness of magic-angle twisted bilayer graphene,” was published in Nature!

1/15/2025 – 1/16/2025 – EQuS Attends QuARC 2025

 

 

Recent Publications:

Remote entangling gates for spin qubits in quantum dots using an offset-charge-sensitive transmon coupler
H. H. Kang, I. T. Rosen, M. Hays, J. A. Grover,  W. D. Oliver
Physical Review Applied (2025) | arXiv:2408.05164 (2024)

Deterministic remote entanglement using a chiral quantum interconnect
A. Almanakly, B. Yankelevich, M. Hays, B. Kannan, R. Assouly, A. Green, M. Gingras, B. M. Niedzielski, H. Stickler, M. E. Schwartz, K. Serniak, J. I-j. Wang, T. P. Orlando, S. Gustavsson, J. A. Grover, W. D. Oliver
Nature Physics (2025) | arXiv:2408.05164 (2024)
See also: Press Release from MIT News Office

Qubit-state purity oscillations from anisotropic transverse noise
 D. A. Rower, K. Hida, L. Ateshian, H. Zhang, J. An, M. Hays, S. E. Muschinske, C. M. McNally, S. C. Alipour-Fard, R. Assouly, I. T. Rosen, B. M. Niedzielski, M. E. Schwartz, K. Serniak, J. A. Grover, W. D. Oliver
Physical Review A 111 (3), 032420 (2025) | arXiv:2409.12303 (2024)

Superfluid stiffness of magic-angle twisted bilayer graphene
M. Tanaka, J. I-j. Wang, T. H. Dinh, D. Rodan-Legrain, S. Zaman, M. Hays, B. Kannan, A. Almanakly, D. K. Kim, B. M. Niedzielski, K. Serniak, M. E. Schwartz, K. Watanabe, T. Taniguchi, J. A. Grover, T. P. Orlando, S. Gustavsson, P. Jarillo-Herrero, W. D. Oliver
Nature 638, 99-105 (2025) | arXiv:2406.13740 (2024)
See also: Press Release from MIT News Office
See also: News and Views by Paritosh Karnatak & Christian Schönenberger

Ultra-dispersive resonator readout of a quantum-dot qubit using longitudinal coupling
B. Harpt, J. Corrigan, N. Holman, P. Marciniec, D Rosenberg, D. Yost, D. Das, R. Ruskov, C. Tahan, W. D. Oliver, R. McDermott, M. Friesen, M.A. Eriksson
Nature Communications 16, 329 (2025) | arXiv:2407.08869 (2024)