Papers
Live trends in quantum computing research, updated daily from arXiv.
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13,828 papers in 12 months (-12% vs prior quarter)
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Constructing Noise-Robust Quantum Gates via Pontryagin's Maximum Principle
Joshua Hanson, D. Lucarelli·Sep 15, 2024
Reliable quantum information technologies depend on precise actuation and techniques to mitigate the effects of un-desired disturbances such as environmental noise and imperfect calibration. In this work, we present a general framework based in geome...
AlphaRouter: Quantum Circuit Routing with Reinforcement Learning and Tree Search
Wei Tang, Yiheng Duan, Yaroslav A. Kharkov +3 more·Sep 15, 2024
Quantum computers have the potential to outperform classical computers in important tasks such as optimization and number factoring. They are characterized by limited connectivity, which necessitates the routing of their computational bits, known as ...
Comparison of Atom Detection Algorithms for Neutral Atom Quantum Computing
Jonas Winklmann, Andrea Alberti, Martin Schulz·Sep 15, 2024
In neutral atom quantum computers, readout and preparation of the atomic qubits are usually based on fluorescence imaging and subsequent analysis of the acquired image. For each atom site, the brightness or some comparable metric is estimated and use...
Pursuing high-fidelity control of spin qubits in natural Si/SiGe quantum dot
Ning Wang, Shao-Min Wang, Runze Zhang +6 more·Sep 15, 2024
Electron spins in silicon quantum dots are a promising platform for fault-tolerant quantum computing. Low-frequency noise, including nuclear spin fluctuations and charge noise, is a primary factor limiting gate fidelities. Suppressing this noise is c...
Towards a Cryogenic CMOS-Memristor Neural Decoder for Quantum Error Correction
Pierre-Antoine Mouny, M. Benhouria, Victor Yon +6 more·Sep 15, 2024
This paper presents a novel approach utilizing a scalable neural decoder application-specific integrated circuit (ASIC) based on metal oxide memristors in a 180nm CMOS technology. The ASIC architecture employs in-memory computing with memristor cross...
CircInspect: Integrating Visual Circuit Analysis, Abstraction, and Real-Time Development in Quantum Debugging
Mushahid Khan, Prashant J. Nair, Olivia Di Matteo·Sep 15, 2024
Software bugs typically result from errors in specifications or code translation. While classical software engineering has evolved with various tools and methodologies to tackle such bugs, the emergence of quantum computing presents unique chal-lenge...
Quantum Algorithm for the Set Splitting Problem
S. Borneman·Sep 15, 2024
We present a novel use of quantum annealing to solve the Set Splitting Problem using (QUBO) problem formulation. The contribution of the work is in formulating penalty functions that ensure the ground state of the QUBO Hamiltonian corresponds to vali...
On the Learning Abilities of Photonic Continuous-Variable Born Machines
Zoltán Kolarovszki, D'aniel T. R. Nagy, Zolt'an Zimbor'as·Sep 15, 2024
This paper investigates photonic continuous-variable Born machines (CVBMs), which utilize photonic quantum states as resources for continuous probability distributions. Implementing exact gradient descent in the CVBM training process is often infeasi...
Fast Variational Knowledge Graph Embedding
Pulak Ranjan Giri, Mori Kurokawa, Kazuhiro Saito·Sep 15, 2024
Embedding of a knowledge graph(KG) entities and relations in the form of vectors is an important aspect for the manipulation of the KG database for several downstream tasks, such as link prediction, knowledge graph completion, and recommendation. Bec...
Efficient Circuit Wire Cutting Based on Commuting Groups
Xinpeng Li, Vinooth Kulkarni, Daniel T. Chen +5 more·Sep 15, 2024
Current quantum devices face challenges when dealing with large circuits due to error rates as circuit size and the number of qubits increase. The circuit wire-cutting technique addresses this issue by breaking down a large circuit into smaller, more...
Graph-Based Identification of Qubit Network (GidNET) for Qubit Reuse
G. Uchehara, T. Aamodt, Olivia Di Matteo·Sep 15, 2024
Quantum computing introduces the challenge of optimizing quantum resources crucial for executing algorithms within the limited qubit availability of current quantum architectures. Existing qubit reuse algorithms face a trade-off between optimality an...
Solving Max-3SAT Using QUBO Approximation
Sebastian Zielinski, Jonas Nusslein, Michael Kolle +3 more·Sep 15, 2024
As contemporary quantum computers do not possess error correction, any calculation performed by these devices can be considered an involuntary approximation. To solve a problem on a quantum annealer, it has to be expressed as an instance of Quadratic...
Q-SCALE: Quantum Computing-Based Sensor Calibration for Advanced Learning and Efficiency
Lorenzo Bergadano, Andrea Ceschini, Pietro Chiavassa +4 more·Sep 15, 2024
In a world burdened by air pollution, the integration of state-of-the-art sensor calibration techniques utilizing Quantum Computing (QC) and Machine Learning (ML) holds promise for enhancing the accuracy and efficiency of air quality monitoring syste...
Energy exchange and fluctuations between a dissipative qubit and a monitor under continuous measurement and feedback
Tsuyoshi Yamamoto, Yasuhiro Tokura·Sep 14, 2024
Continuous quantum measurement and feedback induce energy exchange between a dissipative qubit and a monitor even in the steady state, as a measurement backaction. Using the Lindblad equation, we identified the maximum and minimum values of the stead...
Quantum data encoding as a distinct abstraction layer in the design of quantum circuits
Gabriele Agliardi, Enrico Prati·Sep 14, 2024
Complex quantum circuits are constituted by combinations of quantum subroutines. The computation is possible as long as the quantum data encoding is consistent throughout the circuit. Despite its fundamental importance, the formalization of quantum d...
A Fiber-pigtailed Quantum Dot Device Generating Indistinguishable Photons at GHz Clock-rates
Lucas Rickert, Kinga Żołnacz, Daniel A. Vajner +11 more·Sep 13, 2024
Solid-state quantum light sources based on semiconductor quantum dots (QDs) are increasingly employed in photonic quantum information applications. Especially when moving towards real-world scenarios outside shielded lab environments, the efficient a...
Resource-efficient quantum algorithm for linear systems of equations
Francesco Ghisoni, Francesco Scala, Daniele Bajoni +1 more·Sep 13, 2024
Finding the solution to linear systems is at the heart of many applications in science and technology. Over the years a number of algorithms have been proposed to solve this problem on a digital quantum device, yet most of these are too demanding to ...
Three-Dimensional and Selective Displacement Sensing of a Levitated Nanoparticle via Spatial Mode Decomposition
Thomas Dinter, Reece Roberts, Thomas Volz +2 more·Sep 13, 2024
We propose and experimentally demonstrate a novel detection method that significantly improves the precision of real-time measurement of the three-dimensional displacement of a levitated dipolar scatterer. Our technique relies on spatial mode sorting...
Entanglement and coherence dynamics in photonic quantum memristors
Alberto Ferrara, Rosario Lo Franco·Sep 13, 2024
Memristive systems exhibit dynamics that depend on their past states, making them useful as memory units. Recently, quantum memristor models have been proposed and notably, a photonic quantum memristor (PQM) has been experimentally proven. In this wo...
Improving the Reliability of Quantum Circuits by Evolving Heterogeneous Ensembles
Owain Parry, John A. Clark, Phil Mcminn·Sep 13, 2024
Quantum computers can perform certain operations exponentially faster than classical computers, but designing quantum circuits is challenging. To that end, researchers used evolutionary algorithms to produce probabilistic quantum circuits that give t...