Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Boltzmann Sampling by Diabatic Quantum Annealing
Ju-Yeon Gyhm, Gilhan Kim, Hyukjoon Kwon +1 more·Sep 26, 2024
Boltzmann sampling plays a key role in numerous algorithms, including those in machine learning. While quantum annealers have been explored as fast Boltzmann samplers, their reliance on environmental noise limits control over the effective temperatur...
Codesigned counterdiabatic quantum optimization on a photonic quantum processor
Xiao-Wen Shang, Xuan Chen, N. N. Hegade +6 more·Sep 26, 2024
Codesign, an integral part of computer architecture referring to the information interaction in hardware-software stack, is able to boost the algorithm mapping and execution in the computer hardware. This well applies to the noisy intermediate-scale ...
Quantum error correction-inspired multiparameter quantum metrology
Sivaprasad Omanakuttan, J. Gross, T. J. Volkoff·Sep 25, 2024
We present a novel strategy for obtaining optimal probe states and measurement schemes in a class of noiseless multiparameter estimation problems with symmetry among the generators. The key to the framework is the introduction of a set of quantum met...
Erasure Decoding for Quantum LDPC Codes via Belief Propagation with Guided Decimation
Mert Gökduman, Hanwen Yao, Henry D. Pfister·Sep 24, 2024
Quantum low-density parity-check (LDPC) codes are a promising family of quantum error-correcting codes for fault tolerant quantum computing with low overhead. Decoding quantum LDPC codes on quantum erasure channels has received more attention recentl...
A hybrid quantum neural network for split learning
Hevish Cowlessur, Chandra Thapa, Tansu Alpcan +1 more·Sep 24, 2024
Quantum machine learning (QML) is an emerging field of research with potential applications to distributed collaborative learning, such as split learning (SL). SL allows resource-constrained clients to collaboratively train ML models with a server, r...
QueenV2: Future of Quantum Circuit Simulation
Chuan-Chi Wang·Sep 23, 2024
A state vector-based quantum circuit simulation can provide accurate results for the development and validation of quantum computing algorithms, without being affected by noise interference. However, existing quantum circuit simulators have consisten...
Experimental Simulation of Two Pulses and Three Pulses Coherent One Way Quantum Key Distribution Protocol in Noisy/Noiseless and Wired/Wireless Environment
A. Roy, Arpita Maitra, S. Pal·Sep 23, 2024
Due to the rapid advancement of quantum technology, the traditional established classical cryptographic protocols are no longer secure. To make the world quantum safe, different quantum protocols have been taken into account. Quantum Key Distribution...
Machine Learning Methods as Robust Quantum Noise Estimators
Jon Gardeazabal-Gutierrez, Erik B. Terres-Escudero, Pablo García Bringas·Sep 23, 2024
Access to quantum computing is steadily increasing each year as the speed advantage of quantum computers solidifies with the growing number of usable qubits. However, the inherent noise encountered when running these systems can lead to measurement i...
Scalable and noise-robust communication advantage of multipartite quantum entanglement
Ananya Chakraborty, R. Patra, Kunika Agarwal +4 more·Sep 20, 2024
Distributed computing, involving multiple servers collaborating on designated computations, faces a critical challenge in optimizing inter-server communication -- an issue central to the study of communication complexity. Quantum resources offer adva...
Efficient fault-tolerant code switching via one-way transversal CNOT gates
Sascha Heußen, J. Hilder·Sep 20, 2024
Code switching is an established technique that facilitates a universal set of FT quantum gate operations by combining two QEC codes with complementary sets of gates, which each by themselves are easy to implement fault-tolerantly. In this work, we p...
Asymmetry Control in a Parametric Oscillator for the Quantum Simulation of Chemical Activation
Alejandro Cros Carrillo de Albornoz, Rodrigo G. Cortiñas, Max Schäfer +8 more·Sep 19, 2024
Dissipative tunneling remains a cornerstone effect in quantum mechanics. In chemistry, it plays a crucial role in governing the rates of chemical reactions, often modeled as the motion along the reaction coordinate from one potential well to another....
Hardware-efficient quantum error correction via concatenated bosonic qubits
Harald Putterman, Kyungjoo Noh, Connor T. Hann +118 more·Sep 19, 2024
To solve problems of practical importance1,2, quantum computers probably need to incorporate quantum error correction, in which a logical qubit is redundantly encoded in many noisy physical qubits3, 4–5. The large physical-qubit overhead associated w...
Cross-platform protected qubits from entanglement
N. Chakraborty, R. Moessner, Benoît Douçot·Sep 19, 2024
A crucial ingredient for scalable, fault-tolerant quantum computing is the construction of logical qubits with low error rates and intrinsic noise protection. We propose a construction for such hardware-level noise protection, in which the qubits are...
QUBO-based SVM for credit card fraud detection on a real QPU
Ettore Canonici, Filippo Caruso·Sep 18, 2024
Among all the physical platforms for the realization of a Quantum Processing Unit (QPU), neutral atom devices are emerging as one of the main players. Their scalability, long coherence times, and the absence of manufacturing errors make them a viable...
Solving the Hele–Shaw flow using the Harrow–Hassidim–Lloyd algorithm on superconducting devices: A study of efficiency and challenges
Muralikrishnan Gopalakrishnan Meena, K. Gottiparthi, J. Lietz +2 more·Sep 17, 2024
The development of quantum processors for practical fluid flow problems is a promising yet distant goal. Recent advances in quantum linear solvers have highlighted their potential for classical fluid dynamics. In this study, we evaluate the Harrow–Ha...
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...
Using Optimal Control to Guide Neural-Network Interpolation of Continuously-Parameterized Gates
Bikrant Bhattacharyya, Fredy An, Dominik Kozbiel +2 more·Sep 15, 2024
Control synthesis for continuously-parameterized families of quantum gates can enable critical advantages for mid-sized quantum computing applications in advance of fault-tolerance. We combine quantum optimal control with physics-informed machine lea...
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...
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...
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...