Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Experimental signatures of a $σ_zσ_x$ beam-splitter interaction between a Kerr-cat and transmon qubit
Josiah Cochran, Haley M. Cole, Hebah Goderya +5 more·Nov 26, 2025
Quantum error correction (QEC) requires ancilla qubits to extract error syndromes from data qubits which store quantum information. However, ancilla errors can propagate back to the data qubits, introducing additional errors and limiting fault-tolera...
Modeling Quantum Autoencoder Trainable Kernel for IoT Anomaly Detection
Swathi Chandrasekhar, Shiva Raj Pokhrel, Swati Kumari +1 more·Nov 26, 2025
Escalating cyber threats and the high-dimensional complexity of IoT traffic have outpaced classical anomaly detection methods. While deep learning offers improvements, computational bottlenecks limit real-time deployment at scale. We present a quantu...
Measure and Forget Dynamics in Random Circuits
Yucheng He, Todd A. Brun·Nov 26, 2025
"Forgetful" measurements-physically similar to dephasing-are of interest both for applications to fault-tolerant quantum computing and fundamentally, in studying how entanglement and entropy spread. This paper investigates measurement-induced phase t...
Holographically Emergent Gauge Theory in Symmetric Quantum Circuits
Akash Vijay, Jong Yeon Lee·Nov 26, 2025
We develop a novel holographic framework for mixed-state phases in random quantum circuits, both unitary and non-unitary, with a global symmetry $G$. Viewing the circuit as a tensor network, we decompose it into two parts: a symmetric layer, which de...
Modeling dissipation in quantum active matter
Alexander P. Antonov, Sangyun Lee, Benno Liebchen +5 more·Nov 26, 2025
Active matter denotes a system of particles immersed in an external environment, from which the particles extract energy continuously in order to perform directed motion. Extending the paradigm of active matter to a quantum framework requires an appr...
Deriving the Generalised Born Rule from First Principles
Gaurang Agrawal, Matt Wilson·Nov 26, 2025
A basic postulate of modern compositional approaches to generalised physical theories is the generalised Born rule, in which probabilities are postulated to be computable from the composition of states and effects. In this paper we consider whether t...
Cost-effective scalable quantum error mitigation for tiled Ansätze
Oskar Graulund Lentz Rasmussen, Erik Kjellgren, Peter Reinholdt +4 more·Nov 26, 2025
We introduce a cost-effective quantum error mitigation technique that builds on the recent Ansatz-based gate and readout error mitigation method (M0). The technique, tiled M0, leverages the unique structure of tiled Ansätze (e.g., tUPS, QNP, hardware...
Phase Estimation with Compressed Controlled Time Evolution
Erenay Karacan·Nov 26, 2025
Many optimally scaling quantum simulation algorithms employ controlled time evolution of the Hamiltonian, which is typically the major bottleneck for their efficient implementation. This work establishes a compression protocol for encoding the contro...
Multi-path vector entanglement engineering via dark mode control in optomechanics
P. Djorwé, R. Altuijri, A. J. Almalki +2 more·Nov 26, 2025
We propose a scheme to generate multi-paths entanglement in an optomechanical system by exploiting polarized electromagnetic fields and dark mode control. Our system consists of two mechanically coupled mechanical resonators, which are driven by a co...
Integrated emitters with CMOS-compatible tuning for large scale quantum SiN photonic circuits
J. Witte, A. Shadmani, Zhe Liu +10 more·Nov 26, 2025
Next-generation scalable quantum photonic technologies operating at the single photon level rely on bringing together optimized quantum building blocks with minimal optical coupling losses. Achieving this necessitates the heterogeneous integration of...
Dynamic local single-shot checks for toric codes
Yingjia Lin, Abhinav Anand, Kenneth R. Brown·Nov 25, 2025
Quantum error correction typically requires repeated syndrome extraction due to measurement noise, which results in substantial time overhead in fault-tolerant computation. Single-shot error correction aims to suppress errors using only one round of ...
Fast Quantum Gates for Neutral Atoms Separated by a Few Tens of Micrometers
Matteo Bergonzoni, Rosario Roberto Riso, Guido Pupillo·Nov 25, 2025
We present a theoretical scheme for a family of fast and high-fidelity two-qubit iSWAP gates between neutral atoms separated by more than 20 um, enabled by resonant dipole-dipole spin-exchange interactions between Rydberg states. The protocol harness...
Fault-Tolerant Non-Clifford GKP Gates using Polynomial Phase Gates and On-Demand Noise Biasing
Minh T. P. Nguyen, Mackenzie H. Shaw·Nov 25, 2025
The Gottesman-Kitaev-Preskill (GKP) error correcting code uses a bosonic mode to encode a logical qubit, and has the attractive property that its logical Clifford gates can be implemented using Gaussian unitary gates. In contrast, a direct unitary im...
Realizing Universal Non-Markovian Noise Suppression
Hongfeng Liu, Zizhao Han, Xinfang Nie +2 more·Nov 25, 2025
Non-Markovian noise, arising from environmental memory effects, is the most general and challenging form of noise in quantum computing, and is typically difficult to characterize and suppress. Here, we analyze and experimentally demonstrate a non-Mar...
All-Optical Brillouin Random number Generator
A. R. Mukhamedyanov, E. S. Andrianov, A. A. Zyablovsky·Nov 25, 2025
We propose a model of binary random number generator (RNG) based on a Brillouin optomechanical system. The device uses a hard excitation mode in a Brillouin optomechanical system, where thermal noise induces spontaneous transitions between two stable...
Superconducting Parametric Amplifiers: Resonator Design and Role in Qubit Readout
Babak Mohammadian·Nov 25, 2025
Superconducting parametric amplifiers (SPAs) are critical components for ultralow-noise qubit readout in quantum computing, addressing the critical challenge of amplifying weak quantum signals without introducing noise that degrades coherence and com...
Kernelized Decoded Quantum Interferometry
Fumin Wang·Nov 25, 2025
Decoded Quantum Interferometry (DQI) promises superpolynomial speedups for structured optimization; however, its practical realization is often hindered by significant sensitivity to hardware noise and spectral dispersion. To bridge this gap, we intr...
Error-structure-tailored early fault-tolerant quantum computing
Pei Zeng, Guo Zheng, Qian Xu +1 more·Nov 25, 2025
Fault tolerance is widely regarded as indispensable for achieving scalable and reliable quantum computing. However, the spacetime overhead required for fault-tolerant quantum computating remains prohibitively large. A critical challenge arises in man...
Quantum Framework for Wavelet Shrinkage
Brani Vidakovic·Nov 25, 2025
This paper develops a unified framework for quantum wavelet shrinkage, extending classical denoising ideas into the quantum domain. Shrinkage is interpreted as a completely positive trace-preserving process, so attenuation of coefficients is carried ...
Nanophotonic magnetometry in a spin-dense diamond cavity
Nicholas J. Sorensen, Elham Zohari, Joshua S. Wildeman +3 more·Nov 25, 2025
Quantum sensors based on the nitrogen-vacancy (NV) center in diamond are leading platforms for high-sensitivity magnetometry with nanometer-scale resolution. State-of-the-art implementations, however, typically rely on bulky free-space optics or sacr...