Papers
Logical-to-Physical Compilation for Reducing Depth in Distributed Quantum Systems
Folkert de Ronde, Stephan Wong, Sebastian Feld·Mar 31, 2026
Quantum computing is expected to become a foundational technology for solving problems that exceed the capabilities of classical systems. As quantum algorithms and hardware technologies continue to advance, the need for scalable architectures becomes...
Non-perturbative CPMG scaling and qutrit-driven breakdown under compiled superconducting-qubit control: a single-qubit study
Jun Ye·Mar 31, 2026
Decoherence in superconducting qubits emerges from the interplay of multilevel dynamics and structured environmental noise, yet perturbative models cannot capture all resulting signatures. Here, EmuPlat couples instruction-set-architecture-level wave...
Generation of dipolar supersolids through a barrier sweep in droplet lattices
E. L. Brakensiek, G. A. Bougas, S. I. Mistakidis·Mar 31, 2026
We propose a dynamical protocol to generate supersolids in dipolar quantum gases by sweeping a repulsive Gaussian barrier through an incoherent quasi-one-dimensional droplet array. Supersolidity is inferred by monitoring the ensuing dynamics of the d...
High-efficiency and noise-immune quantum battery
Guohui Dong, Mengqi Yu, Yao Yao·Mar 31, 2026
Nowadays, quantum batteries (QBs) have been designed to outperform their classical counterparts by leveraging quantum advantages. For instance, the charging power greatly benefits from the entanglement generation of a collective charging scheme (e.g....
Photon-triplets for quantum optics generated by a phase-matched third-order difference-frequency mixing in a KTiOPO4 bulk crystal pumped at 532 nm
Gaspar Mougin-Trichon, Veronique Boutou, Corinne Felix +2 more·Mar 30, 2026
We report implementation and modelling of an efficient photon-triplets generation experiment based on a difference-frequency-mixing of two picosecond beams at 532 nm and 1491 nm in a type II phase-matched KTP crystal. The photon-triplets flux was mea...
Exact Skin Critical Phase and Configurable Fractal Wavefunctions via Imaginary Gauge Phase Imprint in Non-Hermitian Lattices
Ji-Long Dong, Shi-Liang Zhu, Dan-Wei Zhang·Mar 30, 2026
The generation of complex states like multifractal critical states has been an outstanding challenge in both classical and quantum physics. Here we propose a general framework, termed the imaginary gauge phase imprint, allowing to engineer rigorous w...
Entanglement generation of arbitrary squeezed Fock states
Qin-Ru Cheng, Ke-Xiong Yan, Yuan Qiu +3 more·Mar 30, 2026
We propose an efficient and robust protocol for the generation of entanglement between a superconducting qubit and a squeezed cavity. By applying a parametric drive to the cavity coupled to the qubit, the dynamical evolution of the system is precisel...
High PDMR contrast in single NV centres and related photocurrent properties
Michael Petrov, Boo Carmans, Josef Soucek +4 more·Mar 29, 2026
This paper aims to extend the understanding of the mechanism of photo-electrical detection of magnetic resonance (PDMR) in nitrogen-vacancy (NV) centres. This technique is particularly important for development of solid-state quantum computing platfo...
Q-Bridge: Code Translation for Quantum Machine Learning via LLMs
Runjia Zeng, Priyabrata Senapati, Ruixiang Tang +2 more·Mar 29, 2026
Large language models have recently shown potential in bridging the gap between classical machine learning and quantum machine learning. However, the lack of standardized, high-quality datasets and robust translation frameworks limits progress in thi...
Nonclassical Photon-Bundle Correlations in Quantum Rabi Models
Yong-Xin Zhang, Chen Wang, Qing-Hu Chen·Mar 28, 2026
We investigate nonclassical photon-bundle correlations in the quantum Rabi model and its extended cases, using the quantum dressed master equation. By tuning the light--matter coupling strength at finite temperature, the quantum Rabi model exhibits c...
Ultra-broadband, Low-loss Wavelength Combiners and Filters: Novel Designs and Experiments in Thin-film Lithium Niobate
Robert Kwolek, Parash Thapalia, Aditya Tripathi +6 more·Mar 27, 2026
Thin-film lithium niobate (TFLN) has emerged as a leading platform for large-scale programmable photonic circuits for quantum and classical applications. As circuits scale in complexity, low-loss routing of broadband pump and signal fields becomes es...
Information-Theoretic Solutions for Seedless QRNG Bootstrapping and Hybrid PQC-QKD Key Combination
Juan Antonio Vieira Giestinhas, Timothy Spiller·Mar 27, 2026
This paper considers two challenges faced by practical quantum networks: the bootstrapping of seedless Quantum Random Number Generators (QRNGs) and the resilient combination of Post-Quantum Cryptography (PQC) and Quantum Key Distribution (QKD) keys. ...
Gigahertz-clocked Generation of Highly Indistinguishable Photons at C-band Wavelengths
Robert Behrends, Lucas Rickert, Nils D. Kewitz +9 more·Mar 27, 2026
High-performance single-photon sources at telecom C-band wavelentghs are key building blocks for applications in long-distance quantum communication. Here, we report the generation of highly indistinguishable, single photons at a clock-rate of 2.5 GH...
STN-GPR: A Singularity Tensor Network Framework for Efficient Option Pricing
Dominic Gribben, Carolina Allende, Alba Villarino +5 more·Mar 27, 2026
We develop a tensor-network surrogate for option pricing, targeting large-scale portfolio revaluation problems arising in market risk management (e.g., VaR and Expected Shortfall computations). The method involves representing high-dimensional price ...
Ultrabroadband Passive Laser Noise Suppression to Quantum Noise Limit through on-chip Second Harmonic Generation
Geun Ho Ahn, Ziyu Wang, Devin J. Dean +5 more·Mar 26, 2026
Laser intensity noise limits performance in quantum sensing, metrology, and computing. Existing stabilization methods face a trade-off between bandwidth and complexity: electronic feedback loops are speed-limited, while optical resonators are constra...
Robust continuous-variable multipartite entanglement in circular arrays of nonlinear waveguides
Sugar Singh Meena, David Barral, Ankan Das Roy +2 more·Mar 26, 2026
Encoding continuous-variable quantum information in the optical domain has recently enabled the generation of large entangled states, yet robust implementation remains a challenge. Here, we present a straightforward protocol for generating multiparti...
Maximizing Qubit Throughput under Buffer Decoherence and Variability in Generation
Padma Priyanka, Avhishek Chatterjee, Sheetal Kalyani·Mar 26, 2026
Quantum communication networks require transmission of high-fidelity, uncoded qubits for applications such as entanglement distribution and quantum key distribution. However, current implementations are constrained by limited buffer capacity and qubi...
Optimizing Entanglement Distribution Protocols: Maximizing Classical Information in Quantum Networks
Ethan Sanchez Hidalgo, Diego Zafra Bono, Guillermo Encinas Lago +3 more·Mar 26, 2026
Efficient entanglement distribution is the foundational challenge in realizing large-scale Quantum Networks. However, state-of-the-art solutions are frequently limited by restrictive operational assumptions, prohibitive computational complexities, an...
CSI-tuples-based 3D Channel Fingerprints Construction Assisted by MultiModal Learning
Chenjie Xie, Li You, Ruirong Chen +2 more·Mar 26, 2026
Low-altitude communications can promote the integration of aerial and terrestrial wireless resources, expand network coverage, and enhance transmission quality, thereby empowering the development of sixth-generation (6G) mobile communications. As an ...
Cascaded Metasurface Interferometer for Multipath Interference with Classical and Quantum Light
Rebecca Aschwanden, Nicolás Claro-Rodríguez, Ruizhe Zhao +14 more·Mar 26, 2026
Beamsplitters represent fundamental components in both classical and quantum optical systems, enabling the distribution of light, as well as the generation of interference, superposition and entanglement. However, optical networks constructed from co...