433 citations · 434 across the 11 of their papers we have counts for
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QMCtwin: Master-Equation Simulation of Syndrome Statistics Beyond Pauli Noise
Tong Shen, Huo Chen, Benchen Huang +4
As quantum error correction moves toward large-scale experimental implementations, decoder performance increasingly depends on how faithfully hardware noise is translated into synd…
Logical error estimation from syndrome data of surface-code experiments
Evangelia Takou, Cesar Benito, Arian Vezvaee +2
Decoders for quantum error correction (QEC) experiments rely on detector error models (DEMs), which encode, for each error, its probability and the detectors and logical observable…
Proof of the Error Scaling for Universally Robust Dynamical Decoupling Sequences
Domenico D'Alessandro, Phattharaporn Singkanipa, Daniel Lidar
Universally robust dynamical decoupling (UR) sequences were proposed to compensate pulse imperfections arising from arbitrary experimental parameters while achieving high-order…
Demonstration of Exponential Quantum Speedup with Constant-Depth Compiled Circuits for Simon's Problem
Phattharaporn Singkanipa, Victor Kasatkin, Daniel A. Lidar
We demonstrate exponential algorithmic quantum speedup for a restricted-Hamming-weight version of Simon's problem, in which the hidden string is promised to satisfy $\text{HW}(…
Universal Hamiltonian control in a planar trimon circuit
Vivek Maurya, Daria Kowsari, Kumar Saurav +4
Multimode circuits provide an avenue for flexible control of single and multi-qubit gates. In this work we implement a multimode circuit known as a trimon integrated in a planar ge…
Compressed Sensing Shadow Tomography
Joseph Barreto, Daniel Lidar
Estimating many local expectation values over time is a central measurement bottleneck in quantum simulation and device characterization. We study the task of reconstructing the Pa…
Surface code scaling on heavy-hex superconducting quantum processors
Arian Vezvaee, Cesar Benito, Mario Morford-Oberst +2
Demonstrating subthreshold scaling of a surface-code quantum memory on hardware whose native connectivity does not match the code remains a central challenge. We address this on IB…
Probing Qubit Noise with a Channel-Resolved Post-Markovian Master Equation
Chun-Tse Li, Jingming Tan, Vasil Gucev +1
Accurate noise characterization is essential for scaling quantum processors toward fault-tolerant operation. Although reduced qubit dynamics are often modeled with Markovian master…
Demonstration of High-Fidelity Entangled Logical Qubits using Transmons
Arian Vezvaee, Vinay Tripathi, Mario Morford-Oberst +3
Quantum error correction (QEC) codes are necessary to fault-tolerantly operate quantum computers. However, every such code is inherently limited by its inability to detect logical…
Detecting Quantum and Classical Phase Transitions via Unsupervised Machine Learning of the Fisher Information Metric
Victor Kasatkin, Evgeny Mozgunov, Nicholas Ezzell +1
The detection of quantum and classical phase transitions in the absence of an order parameter is possible using the Fisher information metric (FIM), also known as fidelity suscepti…