Single-shot quantum signal processing interferometry

J Sinanan-Singh, GL Mintzer, IL Chuang, Y Liu - Quantum, 2024 - quantum-journal.org
Quantum systems of infinite dimension, such as bosonic oscillators, provide vast resources
for quantum sensing. Yet, a general theory on how to manipulate such bosonic modes for …

Securing nisq quantum computer reset operations against higher energy state attacks

C Xu, J Chen, A Mi, J Szefer - Proceedings of the 2023 ACM SIGSAC …, 2023 - dl.acm.org
Enabling the sharing of quantum computers among different users requires a secure reset
operation that can reset the state of a qubit to ground state| 0> and prevent leakage of the …

Hybrid Oscillator-Qubit Quantum Processors: Simulating Fermions, Bosons, and Gauge Fields

E Crane, KC Smith, T Tomesh, A Eickbusch… - arXiv preprint arXiv …, 2024 - arxiv.org
We develop a hybrid oscillator-qubit processor framework for quantum simulation of strongly
correlated fermions and bosons that avoids the boson-to-qubit mapping overhead …

Numerical gate synthesis for quantum heuristics on bosonic quantum processors

AB Özgüler, D Venturelli - Frontiers in Physics, 2022 - frontiersin.org
There is a recent surge of interest and insights regarding the interplay of quantum optimal
control and variational quantum algorithms. We study the framework in the context of qudits …

A quadratic time-dependent quantum harmonic oscillator

FE Onah, E García Herrera, JA Ruelas-Galván… - Scientific Reports, 2023 - nature.com
We present a Lie algebraic approach to a Hamiltonian class covering driven, parametric
quantum harmonic oscillators where the parameter set—mass, frequency, driving strength …

Toward Mixed Analog-Digital Quantum Signal Processing: Quantum AD/DA Conversion and the Fourier Transform

Y Liu, JM Martyn, J Sinanan-Singh, KC Smith… - arXiv preprint arXiv …, 2024 - arxiv.org
Signal processing stands as a pillar of classical computation and modern information
technology, applicable to both analog and digital signals. Recently, advancements in …

Beyond transcoherent states: Field states for effecting optimal coherent rotations on single or multiple qubits

AZ Goldberg, AM Steinberg, K Heshami - Quantum, 2023 - quantum-journal.org
Semiclassically, laser pulses can be used to implement arbitrary transformations on atomic
systems; quantum mechanically, residual atom-field entanglement spoils this promise …

Quasienergy operators and generalized squeezed states for systems of trapped ions

BM Mihalcea - Annals of Physics, 2022 - Elsevier
Collective many-body dynamics for time-dependent quantum Hamiltonians is investigated
for a dynamical system that exhibits multiple degrees of freedom, in this case a combined …

Leveraging hamiltonian simulation techniques to compile operations on bosonic devices

C Kang, MB Soley, E Crane, SM Girvin… - arXiv preprint arXiv …, 2023 - arxiv.org
Circuit QED enables the combined use of qubits and oscillator modes. Despite a variety of
available gate sets, many hybrid qubit-boson (ie, oscillator) operations are realizable only …

Algorithmic Design and Optimization for Quantum Computation with a Qubit-Oscillator System

GL Mintzer - 2024 - dspace.mit.edu
Quantum computation has long been dominated by a digital approach using the qubit, which
exists in a two-dimensional vector space, as its basic unit. More recently, there has been …