71 citations · 483 across the 27 of their papers we have counts for
27 papers
Basis Adaptive Algorithm for Quantum Many-Body Systems on Quantum Computers
Anutosh Biswas, Sayan Ghosh, Ritajit Majumdar +3
We introduce a Basis Adaptive (BA) algorithm for hybrid quantum-classical simulation of correlated quantum many-body systems. Starting from a small set of physically motivated bits…
Method for simulating open-system dynamics using mid-circuit measurements on a quantum computer
John P. T. Stenger, Gloria Bazargan, Nicholas T. Bronn +1
We present a method for simulating the dynamics of an open electronic system on a quantum computer. This approach entails mid-circuit measurements and resets to simulate the additi…
Modeling Quantum Volume Using Randomized Benchmarking of Room-Temperature NV Center Quantum Registers
Tom Jaeger, MinSik Kwon, Max Keller +9
Accurately estimating the performance of quantum hardware is crucial for comparing different platforms and predicting the performance and feasibility of quantum algorithms and appl…
Transmon qutrit-based simulation of spin-1 AKLT systems
Keerthi Kumaran, Faisal Alam, Norhan Eassa +5
Qutrit-based quantum circuits could help reduce the overall circuit depths, and hence the effect of noise, when the system of interest has a local dimension of three. Accessing sec…
Multi-qubit Dynamical Decoupling for Enhanced Crosstalk Suppression
Siyuan Niu, Aida Todri-Sanial, Nicholas T. Bronn
Dynamical decoupling (DD) is one of the simplest error suppression methods, aiming to enhance the coherence of qubits in open quantum systems. Moreover, DD has demonstrated effecti…
Exploiting Maximally Mixed States for Spectral Estimation by Time Evolution
Kaelyn J. Ferris, Zihang Wang, Itay Hen +3
We introduce a novel approach for estimating the spectrum of quantum many-body Hamiltonians, and more generally, of Hermitian operators, using quantum time evolution. In our approa…
Overcoming the Coherence Time Barrier in Quantum Machine Learning on Temporal Data
Fangjun Hu, Saeed A. Khan, Nicholas T. Bronn +4
Practical implementation of many quantum algorithms known today is limited by the coherence time of the executing quantum hardware and quantum sampling noise. Here we present a mac…
Crosstalk-Based Parameterized Quantum Circuit Approximation
Mohannad Ibrahim, Nicholas T. Bronn, Gregory T. Byrd
In this paper, we propose an ansatz approximation approach for variational quantum algorithms (VQAs) that uses one of the hardware's main attributes, its crosstalk behavior, as its…
Observation of Josephson Harmonics in Tunnel Junctions
Dennis Willsch, Dennis Rieger, Patrick Winkel +27
Approaches to developing large-scale superconducting quantum processors must cope with the numerous microscopic degrees of freedom that are ubiquitous in solid-state devices. State…
SAT-Based Quantum Circuit Adaptation
Sebastian Brandhofer, Jinwoong Kim, Siyuan Niu +1
As the nascent field of quantum computing develops, an increasing number of quantum hardware modalities, such as superconducting electronic circuits, semiconducting spins, trapped…
Evaluation of Parameterized Quantum Circuits with Cross-Resonance Pulse-Driven Entanglers
Mohannad Ibrahim, Hamed Mohammadbagherpoor, Cynthia Rios +2
Variational Quantum Algorithms (VQAs) have emerged as a powerful class of algorithms that is highly suitable for noisy quantum devices. Therefore, investigating their design has be…
Quantum Simulation on Noisy Superconducting Quantum Computers
Kaelyn J. Ferris, A. J. Rasmusson, Nicholas T. Bronn +1
Quantum simulation is a potentially powerful application of quantum computing, holding the promise to be able to emulate interesting quantum systems beyond the reach of classical c…
Simulating Majorana zero modes on a noisy quantum processor
Kevin J. Sung, Marko J. Rančić, Olivia T. Lanes +1
The simulation of systems of interacting fermions is one of the most anticipated applications of quantum computers. The most interesting simulations will require a fault-tolerant q…
Gravitational-wave matched filtering on a quantum computer
Doğa Veske, Cenk Tüysüz, Mirko Amico +6
State of the art quantum computers have very limited applicability for accurate calculations. Here we report the first experimental demonstration of qubit-based matched filtering f…
Summary: Chicago Quantum Exchange (CQE) Pulse-level Quantum Control Workshop
Kaitlin N. Smith, Gokul Subramanian Ravi, Thomas Alexander +14
Quantum information processing holds great promise for pushing beyond the current frontiers in computing. Specifically, quantum computation promises to accelerate the solving of ce…
Simulating spectroscopy experiments with a superconducting quantum computer
John P. T. Stenger, Gilad Ben-Shach, David Pekker +1
We present a novel method for solving eigenvalue problems on a quantum computer based on spectroscopy. The method works by coupling a "probe" qubit to a set of system simulation qu…
Towards a Semantic Information Theory (Introducing Quantum Corollas)
Philip Tetlow, Dinesh Garg, Leigh Chase +4
The field of Information Theory is founded on Claude Shannon's seminal ideas relating to entropy. Nevertheless, his well-known avoidance of meaning (Shannon, 1948) still persists t…
Simulating the dynamics of braiding of Majorana zero modes using an IBM quantum computer
John P. T. Stenger, Nicholas T. Bronn, Daniel J. Egger +1
We simulate the dynamics of braiding Majorana zero modes on an IBM Quantum computer. We find the native quantum gates introduce too much noise to observe braiding. Instead, we use…
Teaching quantum computing with an interactive textbook
James R. Wootton, Francis Harkins, Nicholas T. Bronn +3
Quantum computing is a technology that promises to offer significant advantages during the coming decades. Though the technology is still in a prototype stage, the last few years h…
High-fidelity qubit readout using interferometric directional Josephson devices
Baleegh Abdo, Oblesh Jinka, Nicholas T. Bronn +2
Nonreciprocal microwave devices, such as circulators and isolators, are needed in high-fidelity qubit readout schemes to unidirectionally route the readout signals and protect the…
Real-time decoding of stabilizer measurements in a bit-flip code
Diego Ristè, Luke C. G. Govia, Brian Donovan +5
Although qubit coherence times and gate fidelities are continuously improving, logical encoding is essential to achieve fault tolerance in quantum computing. In most encoding schem…
Active protection of a superconducting qubit with an interferometric Josephson isolator
Baleegh Abdo, Nicholas T. Bronn, Oblesh Jinka +8
Nonreciprocal microwave devices play several critical roles in high-fidelity, quantum-nondemolition (QND) measurement schemes. They separate input from output, impose unidirectiona…
Multi-Path Interferometric Josephson Directional Amplifier for Qubit Readout
Baleegh Abdo, Nick Bronn, Oblesh Jinka +3
We realize and characterize a quantum-limited, directional Josephson amplifier suitable for qubit readout. The device consists of two nondegenerate, three-wave-mixing amplifiers th…
High Coherence Plane Breaking Packaging for Superconducting Qubits
Nicholas T. Bronn, Vivekananda P. Adiga, Salvatore B. Olivadese +3
We demonstrate a pogo pin package for a superconducting quantum processor specifically designed with a nontrivial layout topology (e.g., a center qubit that cannot be accessed from…