Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
Quantum Complexity in Rule-Based Constrained Many-Body Models: Scars, Fragmentation, and Chaos
Arkaprava Sil, Sudipto Singha Roy·Oct 18, 2025
Kinetic constraints in quantum many-body systems strongly restrict the accessible Hilbert space, giving rise to highly nontrivial dynamical behavior. In recent years, such systems have attracted growing interest as they provide insight into mechanism...
Temporal-order-driven asymmetric quantum interference and temporal coherence enhancement in spontaneous six-wave mixing
Da Zhang, Yu Zhang·Oct 18, 2025
Narrow-band multiphoton entanglement sources serve as a core enabling resource for advanced quantum information technologies. Recently, researchers have directly generated energy-time entangled triphoton W states in a hot atomic medium via spontaneou...
Triphoton generation near atomic resonance via SSWM: Harmonic expansion for accurate optical response
Jianming Wen·Oct 18, 2025
Quantum correlations of time-frequency-entangled photon pairs generated via parametric processes are critically influenced by both the linear and nonlinear optical responses of the medium. This sensitivity is especially significant in schemes utilizi...
Exceptional Antimodes in Multi-Drive Cavity Magnonics
Mawgan A. Smith, Ryan D. McKenzie, Alban Joseph +2 more·Oct 17, 2025
Driven-dissipative systems provide a natural setting for the emergence of exceptional points -- i.e. non-Hermitian degeneracies where eigenmodes coalesce. These points are important for applications such as sensing, where enhanced sensitivity is requ...
A source of heralded atom-photon entanglement for quantum networking
Gianvito Chiarella, Tobias Frank, Leart Zuka +2 more·Oct 17, 2025
Communication in quantum networks suffers notoriously from photon loss. Resulting errors can be mitigated with a suitable measurement herald at the receiving node. However, waiting for a herald and communicating the measurement result back to the sen...
Generation of multipartite photonic entanglement using a trapped-ion quantum processing node
Marco Canteri, James Bate, Ida Mishra +3 more·Oct 17, 2025
The ability to establish entanglement between the nodes of future quantum networks is essential for enabling a wide range of new applications in science and technology. A promising approach involves the use of a powerful central node capable of deter...
Game-Theoretic Discovery of Quantum Error-Correcting Codes Through Nash Equilibria
Rubén Darío Guerrero·Oct 17, 2025
Quantum error correction code discovery has relied on algebraic constructions with predetermined structure or computational search lacking mechanistic interpretability. We introduce a game-theoretic framework recasting code optimization as strategic ...
Solid-State High-Order Harmonic Generation: Emerging Frontiers in Ultrafast and Quantum Light Science
Marcelo F. Ciappina·Oct 17, 2025
High-order harmonic generation (HHG) in solids has emerged as a versatile platform for exploring ultrafast and quantum-coherent phenomena in condensed matter. Recent advances reveal Berry-phase and topological effects in harmonic emission, strong-fie...
Q-EnergyDEX: A Zero-Trust Distributed Energy Trading Framework Driven by Quantum Key Distribution and Blockchain
Ziqing Zhu·Oct 16, 2025
The rapid decentralization and digitalization of local electricity markets have introduced new cyber-physical vulnerabilities, including key leakage, data tampering, and identity spoofing. Existing blockchain-based solutions provide transparency and ...
Symmetry-protected states of interacting qubits in superconducting quantum circuits
Yi Shi, Eran Ginossar, Michael Stern +1 more·Oct 15, 2025
Superconducting circuits are one of the leading candidates for storing and manipulating quantum information. Among them, qubits embedded with intrinsic noise protection have seen rapid advancements in recent years. This noise protection is typically ...
Qutrits for physics at the LHC
Miranda Carou Laiño, Veronika Chobanova, Miriam Lucio Martínez·Oct 15, 2025
The identification of anomalous events, not explained by the Standard Model of particle physics, and the possible discovery of exotic physical phenomena pose significant theoretical, experimental and computational challenges. The task will intensify ...
Inverse designed Hamiltonians for perfect state transfer and remote entanglement generation, and applications in superconducting qubits
Tian-Le Wang, Ze-An Zhao, Peng Wang +9 more·Oct 15, 2025
Hamiltonian inverse engineering enables the design of protocols for specific quantum evolutions or target state preparation. Perfect state transfer (PST) and remote entanglement generation are notable examples, as they serve as key primitives in quan...
Performance Comparison of Gate-Based and Adiabatic Quantum Computing for AC Power Flow Problem
Zeynab Kaseb, Matthias Moller, Peter Palensky +1 more·Oct 15, 2025
We present the first direct comparison between gate-based quantum computing (GQC) and adiabatic quantum computing (AQC) paradigms for solving the AC power flow (PF) equations. The PF problem is reformulated as a combinatorial optimization problem. Fo...
Hybrid light-matter boundaries of graphene in a chiral cavity
Volker Karle, Oriana K. Diessel, Vasil Rokaj +1 more·Oct 15, 2025
Recent advances in chiral cavities that can couple coherently to two-dimensional materials have opened a powerful route to reshape electronic topology without an external drive. Here we establish the bulk-boundary correspondence for graphene embedded...
Optimization of the time-multiplexed SPDC source at 900-950 nm range
V. O. Gotovtsev, I. V. Dyakonov, O. V. Borzenkova +5 more·Oct 14, 2025
In the field of quantum technology, single photons have emerged as a pivotal resource, prompting the development of heralded single photon sources (HSPS) with enhanced generation probability. The majority of such sources are based on spontaneous para...
A universal approach to saddle-point methods in attosecond science
Anne Weber, Job Feldbrugge, Emilio Pisanty·Oct 14, 2025
Light-matter interactions within the strong-field regime, where intense laser fields can ionise a target via tunnelling, give rise to fascinating phenomena such as the generation of high-order harmonic radiation (HHG). On the atomic scale, these stro...
High-efficiency and long-distance quantum memory-assisted device-independent quantum secret sharing with single photon sources
Qi Zhang, Jia-Wei Ying, Shi-Pu Gu +5 more·Oct 14, 2025
Quantum secret sharing (QSS) plays a critical role in building the distributed quantum networks. Device-independent (DI) QSS provides the highest security level for QSS. However, the photon transmission loss and extremely low multipartite entanglemen...
Geometric Bound for Trade-off Relation in Quantum Tricycle
Shihao Xia, Jingyi Chen, Jincan Chen +1 more·Oct 14, 2025
We establish a finite-time quantum tricycle driven by an external field and investigate its thermodynamic performance in the slow-driving regime. By developing a perturbative expansion of heat with respect to operation time, we capture the dynamics o...
Harnessing Non-convex Quantum Correlations of Independent Qubits
Liang-Liang Sun, Xiang Zhou, Chengjie Zhang +3 more·Oct 14, 2025
Quantum correlations in Bell and prepare-and-measure experiments are central resources for probing nonclassicality and enabling device-based quantum information protocols. In the absence of shared public randomness (i.e., without run-to-run mixing), ...
General model and modulation strategies for Sagnac-based encoders
Federico Berra, Matías Rubén Bolaños, Alberto De Toni +6 more·Oct 13, 2025
In recent decades, there has been an increasing demand for faster modulation schemes. Electro-optic modulators are essential components in modern photonic systems, enabling high-speed control of light for applications ranging from telecommunications ...