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19932026
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quant-ph2026

Classical-limit formula for matrix elements between bound states of distinct one-dimensional potentials

K. Beloy

A classical-limit formula is derived for matrix elements between bound states of distinct one-dimensional potentials. We leave open the physical interpretation of the potentials, b…

quant-ph2025★ 10 cited

Coherence-limited digital control of a superconducting qubit using a Josephson pulse generator at 3 K

M. A. Castellanos-Beltran, A. J. Sirois, L. Howe +4

Compared to traditional semiconductor control electronics (TSCE) located at room temperature, cryogenic single flux quantum (SFQ) electronics can provide qubit measurement and cont…

quant-ph2025

Measurement-induced entanglement in noisy 2D random circuits

Zhi-Yuan Wei, Jon Nelson, Joel Rajakumar +4

We study measurement-induced entanglement (MIE) generated by column-by-column sampling of noisy 2D random circuits of size and depth . Focusing primarily on Clifford circuit…

quant-ph2025★ 3 cited

Probing Bandwidth and Sensitivity in Rydberg Atom Sensing via Optical Homodyne and RF Heterodyne Detection

Dixith Manchaiah, Stone Oliver, Samuel Berweger +2

Rydberg atom based sensors allow for SI traceable measurements and show promise for applications in the field of communication and radar technologies. In this article, we investiga…

quant-ph2025

A vapor-cavity-QED system for quantum computation and communication

Sharoon Austin, Dhruv Devulapalli, Khoi Hoang +3

In this work, we propose performing key operations in quantum computation and communication using room-temperature atoms moving across a grid of high-quality-factor, small-mode-vol…

quant-ph2025

Hybrid Acousto-Optical Double Dressing of a Two-Level System

Yuan Zhan, Zixuan Wang, Richard P. Mirin +2

We experimentally investigate resonance fluorescence from a two-level system in a novel configuration where a strong laser drives an optical Rabi oscillation while an acoustic fiel…

quant-ph2025★ 5 cited

Quantum signatures of proper time in optical ion clocks

Gabriel Sorci, Joshua Foo, Dietrich Leibfried +2

Optical clocks based on atoms and ions probe relativistic effects with unprecedented sensitivity by resolving time dilation due to atom motion or different positions in the gravita…

quant-ph2025

atommovr: An open-source simulation framework for rearrangement in atomic arrays

Nikhil K Harle, Bo-Yu Chen, Bob Bao +1

The task of atom rearrangement has emerged in the last decade as a fundamental building block in the development of neutral atom-based quantum processors. As such processors grow t…

quant-ph2025★ 1 cited

Towards self-correcting quantum codes for neutral atom arrays

Jinkang Guo, Yifan Hong, Adam Kaufman +1

Discovering low-overhead quantum error-correcting codes is of significant interest for fault-tolerant quantum computation. For hardware capable of long-range connectivity, the biva…

quant-ph2025

Parametric Amplification of Spin-Motion Coupling in Three-Dimensional Trapped-Ion Crystals

Samarth Hawaldar, N. Nikhil, Ana Maria Rey +2

Three-dimensional (3D) crystals offer a route to scale up trapped ion systems for quantum sensing and quantum simulation applications. However, engineering coherent spin-motion cou…

quant-ph2025★ 2 cited

Effective reflection mode measurement for hanger-coupled microwave resonators

John R. Pitten, Nicholas Materise, Wei-Ren Syong +3

Superconducting microwave resonators are used in many low-power applications, such as the study of two-level system loss in superconducting quantum devices. Fano asymmetry, charact…

quant-ph2025★ 1 cited

Adiabatic Cooling of Planar Motion in a Penning Trap Ion Crystal to Sub-Millikelvin Temperatures

Wes Johnson, Bryce Bullock, Athreya Shankar +3

Two-dimensional planar ion crystals in a Penning trap are a platform for quantum information science experiments. However, the low-frequency planar modes of these crystals are not…

quant-ph2025

Quantum Wave Atom Transforms

Marianna Podzorova, Yi-Kai Liu

This paper constructs the first efficient implementation of a quantum wavelet packet transform with a "parabolic scaling" tree structure, sometimes called a quantum wave atom trans…

quant-ph2025★ 3 cited

Unraveling spin entanglement using quantum gates with scanning tunneling microscopy-driven electron spin resonance

Eric D. Switzer, Jose Reina-Gálvez, Géza Giedke +4

Quantum entanglement is a fundamental resource for quantum information processing, and its controlled generation and detection remain key challenges in scalable quantum architectur…

quant-ph2025★ 12 cited

Clock precision beyond the Standard Quantum Limit at level

Y. A. Yang, Maya Miklos, Yee Ming Tso +3

Optical atomic clocks with unrivaled precision and accuracy have advanced the frontier of precision measurement science and opened new avenues for exploring fundamental physics. A…

quant-ph2025

Noise limits for dc SQUID readout of high- resonators below 300 MHz

V. Ankel, C. Bartram, J. Begin +38

We present the limits on noise for the readout of cryogenic high- resonators using dc Superconducting Quantum Interference Devices (SQUIDs) below 300 MHz. This analysis uses rea…

quant-ph2025★ 1 cited

Localized quasiparticles in a fluxonium with quasi-two-dimensional amorphous kinetic inductors

Trevyn F. Q. Larson, Sarah Garcia Jones, Tamás Kalmár +10

Disordered superconducting materials with high kinetic inductance are an important resource to generate nonlinearity in quantum circuits and create high-impedance environments. In…

quant-ph2025

Utilizing discrete variable representations for decoherence-accurate numerical simulation of superconducting circuits

Brittany Richman, C. J. Lobb, Jacob M. Taylor

Given the prevalence of superconducting platforms for uses in quantum computing and quantum sensing, the simulation of quantum superconducting circuits has become increasingly impo…

quant-ph2025★ 2 cited

Low-loss Nb on Si superconducting resonators from a dual-use spintronics deposition chamber and with acid-free post-processing

Maciej W. Olszewski, Jadrien T. Paustian, Tathagata Banerjee +13

Magnetic impurities are known to degrade superconductivity. For this reason, physical vapor deposition chambers that have previously been used for magnetic materials have generally…

quant-ph2025★ 20 cited

Roadmap on Atomic-scale Semiconductor Devices

Steven R. Schofield, Andrew J. Fisher, Eran Ginossar +47

Spin states in semiconductors provide exceptionally stable and noise-resistant environments for qubits, positioning them as optimal candidates for reliable quantum computing techno…

quant-ph2025★ 4 cited

Measurable Improvement in Multi-Qubit Readout Using a Kinetic Inductance Traveling Wave Parametric Amplifier

M. A. Castellanos-Beltran, L. Howe, A. Giachero +4

Increasing the size and complexity of quantum information systems requires highly-multiplexed readout architectures, as well as amplifier chains operating near the quantum limit (Q…

quant-ph2024★ 12 cited

On-chip frequency-bin quantum photonics

Karthik V. Myilswamy, Lucas M. Cohen, Suparna Seshadri +2

Frequency-bin encoding furnishes a compelling pathway for quantum information processing systems compatible with established lightwave infrastructures based on fiber-optic transmis…

quant-ph2024★ 6 cited

Loss tangent fluctuations due to two-level systems in superconducting microwave resonators

André Vallières, Megan E. Russell, Xinyuan You +10

Superconducting microwave resonators are critical to quantum computing and sensing technologies. Additionally, they are common proxies for superconducting qubits when determining t…

quant-ph2024

Spectrally-pure optical serrodyne modulation for continuously-tunable laser offset locking

Roame A. Hildebrand, Wance Wang, Connor Goham +2

The comb-like spectrum added to laser light by an electro-optic modulator (EOM) finds use in a wide range of applications, including coherent optical communication, atomic spectros…