1.5k citations · 3.6k across the 25 of their papers we have counts for
26 papers
Graduate Training in Quantum Information Science and Engineering: Lessons, Challenges, and a Roadmap from the NSF Research Traineeship Programs
Yohannes Abate, Victor Acosta, Alessandro Alabastri +31
Since 2019, eighteen NSF Research Traineeship (NRT) awards in quantum information science and engineering (QISE) and adjacent fields have been funded, constituting the largest NSF-…
Reducing runtime and error in VQE using deeper and noisier quantum circuits
Amara Katabarwa, Alex Kunitsa, Borja Peropadre +1
The rapid development of noisy intermediate-scale quantum (NISQ) devices has raised the question of whether or not these devices will find commercial use. Unfortunately, a major sh…
Quantum algorithm for credit valuation adjustments
Javier Alcazar, Andrea Cadarso, Amara Katabarwa +4
Quantum mechanics is well known to accelerate statistical sampling processes over classical techniques. In quantitative finance, statistical samplings arise broadly in many use cas…
Analyzing the Performance of Variational Quantum Factoring on a Superconducting Quantum Processor
Amir H. Karamlou, William A. Simon, Amara Katabarwa +3
In the near-term, hybrid quantum-classical algorithms hold great potential for outperforming classical approaches. Understanding how these two computing paradigms work in tandem is…
Generation of High-Resolution Handwritten Digits with an Ion-Trap Quantum Computer
Manuel S. Rudolph, Ntwali Bashige Toussaint, Amara Katabarwa +3
Generating high-quality data (e.g. images or video) is one of the most exciting and challenging frontiers in unsupervised machine learning. Utilizing quantum computers in such task…
Analog quantum simulation of non-Condon effects in molecular spectroscopy
Hamza Jnane, Nicolas P. D. Sawaya, Borja Peropadre +3
In this work, we present a linear optical implementation for analog quantum simulation of molecular vibronic spectra, incorporating the non-Condon scattering operation with a quadr…
Quantum Chemistry in the Age of Quantum Computing
Yudong Cao, Jonathan Romero, Jonathan P. Olson +10
Practical challenges in simulating quantum systems on classical computers have been widely recognized in the quantum physics and quantum chemistry communities over the past century…
Origin of the -Spectral-Noise in Chaotic and Regular Quantum Systems
Leonardo A. Pachon, Armando Relaño, Borja Peropadre +1
Based on the connection between the spectral form factor and the probability to return, the origin of the -noise in fully chaotic and fully integrable systems is traced to t…
Superluminal Physics with Superconducting Circuit Technology
Carlos Sabín, Borja Peropadre, Lucas Lamata +1
We introduce a toolbox for the quantum simulation of superluminal motion with superconducting circuits. We show that it is possible to simulate the motion of a superconducting qubi…
Quantum Emulation of Molecular Force Fields: A Blueprint for a Superconducting Architecture
Diego G. Olivares, Borja Peropadre, Joonsuk Huh +1
In this work, we propose a flexible architecture of microwave resonators with tunable couplings to perform quantum simulations of problems from the field of molecular chemistry. Th…
Dynamical Casimir Effect for Gaussian Boson Sampling
Borja Peropadre, Joonsuk Huh, Carlos Sabín
We show that the Dynamical Casimir Effect (DCE), realized on two multimode coplanar waveguide resonators, implements a gaussian boson sampler (GBS). The appropriate choice of the m…
Quantum Simulation with a Boson Sampling Circuit
Diego G. Olivares, Borja Peropadre, Alán Aspuru-Guzik +1
In this work we study a system that consists of matter qubits that interact through a boson sampling circuit, i.e., an -port interferometer, embedded in two different archi…
Ultrastrong coupling of a single artificial atom to an electromagnetic continuum in the nonperturbative regime
P. Forn-Díaz, J. J. García-Ripoll, B. Peropadre +5
The study of light-matter interaction has led to many fundamental discoveries as well as numerous important technologies. Over the last decades, great strides have been made in inc…
Microwave Boson Sampling
Borja Peropadre, Gian Giacomo Guerreschi, Joonsuk Huh +1
The first post-classical computation will most probably be performed not on a universal quantum computer, but rather on a dedicated quantum hardware. A strong candidate for achievi…
Spin models and boson sampling
Borja Peropadre, Alan Aspuru-Guzik, Juan Jose Garcia-Ripoll
In this work we proof that boson sampling with particles in modes is equivalent to short-time evolution with excitations in an XY model of spins. This mapping is e…
Tunable coupling of transmission-line microwave resonators mediated by an rf SQUID
F. Wulschner, J. Goetz, F. R. Koessel +18
We realize tunable coupling between two superconducting transmission line resonators. The coupling is mediated by a non-hysteretic rf SQUID acting as a flux-tunable mutual inductan…
Boson Sampling for Molecular Vibronic Spectra
Joonsuk Huh, Gian Giacomo Guerreschi, Borja Peropadre +2
Quantum computers are expected to be more efficient in performing certain computations than any classical machine. Unfortunately, the technological challenges associated with build…
Light-matter decoupling and term detection in superconducting circuits
Juan José García-Ripoll, Borja Peropadre, Simone De Liberato
We study the spontaneous emission of a qubit interacting with a one-dimensional waveguide through a realistic minimal-coupling interaction. We show that the diamagnetic term …
Quantum nonlinear optics with polar J-aggregates in microcavities
Felipe Herrera, Borja Peropadre, Leonardo A. Pachon +2
We show that an ensemble of organic dye molecules with permanent electric dipole moments embedded in a microcavity can lead to strong optical nonlinearities at the single photon le…
Nonequilibrium and nonperturbative dynamics of ultrastrong coupling in open lines
B. Peropadre, D. Zueco, D. Porras +1
We study the time and space resolved dynamics of a qubit with an Ohmic coupling to propagating 1D photons, from weak coupling to the ultrastrong coupling regime. A nonperturbative…
From Josephson junction metamaterials to tunable pseudo-cavities
D. Zueco, C. Fernández-Juez, J. Yago +4
The scattering through a Josephson junction interrupting a superconducting line is revisited including power leakage. We discuss also how to make tunable and broadband resonant mir…
Microwave Quantum Optics with an Artificial Atom
Io-Chun Hoi, C. M. Wilson, Göran Johansson +4
We address the recent advances on microwave quantum optics with artificial atoms. This field relies on the fact that the coupling between a superconducting artificial atom and prop…
Scattering of coherent states on a single artificial atom
B. Peropadre, J. Lindkvist, I. -C. Hoi +4
In this work we theoretically analyze a circuit QED design where propagating quantum microwaves interact with a single artificial atom, a single Cooper pair box. In particular, we…
Tunable coupling engineering between superconducting resonators: from sidebands to effective gauge fields
B. Peropadre, D. Zueco, F. Wulschner +4
In this work we show that a tunable coupling between microwave resonators can be engineered by means of simple Josephson junctions circuits, such as dc- and rf-SQUIDs. We show that…