Systems R&D
16.04.21Dynamical sweet spot engineering via two-tone flux modulation of superconducting qubits
We experimentally demonstrate that two-tone flux modulation can be used to create a continuum of dynamical sweet spots.
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The latest in Quantum Thinking
Entanglement across separate silicon dies in a modular superconducting qubit device
We demonstrate a modular solid state architecture with deterministic inter-module coupling between four physically separate, interchangeable superconducting qubit integrated circuits.
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26.03.21Optimizing the optimizer: Decomposition techniques for quantum annealing
We explore multiple heterogeneous approaches to solving multiple industry-relevant benchmark problems in order to understand how best to leverage quantum computers given current constraints.
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25.01.21Methods for accelerating geospatial data processing using quantum computers
We describe an approach to satellite image classification using a universal quantum enhancement to convolutional neural networks: the quanvolutional neural network.
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14.01.21Optically-heralded entanglement of superconducting systems in quantum networks
We propose optical networking via heralding end-to-end entanglement with one detected photon and teleportation.
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15.12.20Quantum versus classical generative modelling in finance
We use a real world financial dataset consisting of correlated currency pairs and compare two models in their ability to learn the resulting distribution - a restricted Boltzmann machine, and a quantum circuit Born machine.
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25.11.20Matchgate benchmarking: Scalable benchmarking of a continuous family of many-qubit gates
We propose a method to reliably and efficiently extract the fidelity of many-qubit quantum circuits composed of continuously parametrized two-qubit gates called matchgates.
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23.11.20Implementation of XY entangling gates with a single calibrated pulse
Novel implementation of XY(θ) unlocks a new family of entangling gates.
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09.11.20Estimating expectation values using approximate quantum states
We test the proposed method on Rigetti's quantum processor unit and find an excellent agreement with the theory, despite experimental errors.
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20.08.20Finding the optimal Nash equilibrium in a discrete Rosenthal congestion game using the Quantum Alternating Operator Ansatz
We establish the tractability of finding the optimal Nash equilibrium to a discrete congestion game using a gate-model quantum computer.
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07.07.20An open-source, industrial-strength optimizing compiler for quantum programs
We describe many of the principles behind Quilc's design, and demonstrate the compiler with various examples.
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27.02.20Quanvolutional neural networks: powering image recognition with quantum circuits
We introduce a new type of transformational layer called a quantum convolution, or quanvolutional layer.
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14.01.20A quantum-classical cloud platform optimized for variational hybrid algorithms
We enumerate the architectural requirements of a quantum-classical cloud platform, and present a framework for benchmarking its runtime performance.
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