Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
Design Optimization of Noise Filter Using Quantum Annealer
Akihisa Okada, H. Yoshida, K. Kidono +3 more·Jan 10, 2023
The use of quantum annealers in black-box optimization to obtain the desired properties of a product with a small number of trials has attracted attention. However, the application of this technique to engineering design problems has been limited. He...
Synchronization of Josephson junction in series array
A. Bhattacharyya·Jan 10, 2023
—Multi-qubit quantum processors coupled to net- working provides the state-of-the-art quantum computing plat-form. However, each qubit has unique eigenfrequency even though fabricated in the same process. To continue quantum gate operations besides t...
Non-Abelian anyons with Rydberg atoms
Nora Bauer, Elias Kokkas, Victor Ale +1 more·Jan 10, 2023
We study the emergence of topological matter in two-dimensional systems of neutral Rydberg atoms in Ruby lattices. While Abelian anyons have been predicted in such systems, non-Abelian anyons, which would form a substrate for fault-tolerant quantum c...
Scattering amplitude from quantum computing with reduction formula
Tianyin Li, Wai Kin Lai, E. Wang +1 more·Jan 10, 2023
Utilizing the Lehmann-Symanzik-Zimmermann reduction formula, we present a new general framework for computing scattering amplitudes in quantum field theory with quantum computers in a fully nonperturbative way. In this framework, one only has to cons...
Lower-temperature fabrication of airbridges by grayscale lithography to increase yield of nanowire transmons in circuit QED quantum processors
T. Stavenga, S. Khan, Yang Liu +2 more·Jan 10, 2023
Quantum hardware based on circuit quantum electrodynamics makes extensive use of airbridges to suppress unwanted modes of wave propagation in coplanar-waveguide transmission lines. Airbridges also provide an interconnect enabling transmission lines t...
Compilation of Entangling Gates for High-Dimensional Quantum Systems
Kevin Mato, M. Ringbauer, S. Hillmich +1 more·Jan 10, 2023
Most quantum computing architectures to date natively support multi-valued logic, albeit being typically operated in a binary fash-ion. Multi-valued, or qudit, quantum processors have access to much richer forms of quantum entanglement, which promise...
Modular chip-integrated photonic control of artificial atoms in diamond nanostructures
Kevin J. Palm, M. Dong, D. A. Golter +10 more·Jan 9, 2023
A central goal in creating long-distance quantum networks and distributed quantum computing is the development of interconnected and individually controlled qubit nodes. Atom-like emitters in diamond have emerged as a leading system for optically net...
Nanoscale addressing and manipulation of neutral atoms using electromagnetically induced transparency
U. Sağlam, Thomas G. Walker, M. Saffman +1 more·Jan 9, 2023
We propose to integrate dark-state based localization techniques into a neutral atom quantum computing architecture and numerically investigate two specific schemes. The first scheme implements state-selective projective measurement by scattering pho...
Accelerating Voting by Quantum Computation
Ao Liu, Qishen Han, Lirong Xia +1 more·Jan 8, 2023
Studying the computational complexity and designing fast algorithms for determining winners under voting rules are classical and fundamental questions in computational social choice. In this paper, we accelerate voting by leveraging quantum computati...
Sample-size-reduction of quantum states for the noisy linear problem
Kabgyun Jeong·Jan 8, 2023
Quantum supremacy poses that a realistic quantum computer can perform a calculation that classical computers cannot in any reasonable amount of time. It has become a topic of significant research interest since the birth of the field, and it is intri...
Using the Julia framework to teach quantum entanglement
Shlomo Kashani, David Zaret·Jan 7, 2023
Entanglement, a phenomenon that has puzzled scientists since its discovery, has been extensively studied by many researchers through both theoretical and experimental aspect of both quantum information processing (QIP) and quantum mechanics (QM). But...
SEQUENT: Towards Traceable Quantum Machine Learning using Sequential Quantum Enhanced Training
Philipp Altmann, Leo Sünkel, Jonas Stein +3 more·Jan 6, 2023
Applying new computing paradigms like quantum computing to the field of machine learning has recently gained attention. However, as high-dimensional real-world applications are not yet feasible to be solved using purely quantum hardware, hybrid metho...
Graphical quantum Clifford-encoder compilers from the ZX calculus
A. Khesin, Jonathan Z Lu, P. Shor·Jan 6, 2023
We present a quantum compilation algorithm that maps Clifford encoders, encoding maps for stabilizer quantum codes, to a unique graphical representation in the ZX calculus. Specifically, we develop a canonical form in the ZX calculus and prove canoni...
Adaptive variational quantum minimally entangled typical thermal states for finite temperature simulations
João C. Getelina, N. Gomes, T. Iadecola +2 more·Jan 6, 2023
Scalable quantum algorithms for the simulation of quantum many-body systems in thermal equilibrium are important for predicting properties of quantum matter at finite temperatures. Here we describe and benchmark a quantum computing version of the min...
Taming the Rotating Wave Approximation
D. Burgarth, P. Facchi, R. Hillier +1 more·Jan 5, 2023
The interaction between light and matter is one of the oldest research areas of quantum mechanics, and a field that just keeps on delivering new insights and applications. With the arrival of cavity and circuit quantum electrodynamics we can now achi...
A Remote Quantum Error-Correcting Code Preparation Protocol on Cluster States
Qiang Zhao, Haokun Mao, Yucheng Qiao +2 more·Jan 5, 2023
The blind quantum computation (BQC) protocol allows for privacy-preserving remote quantum computations. In this paper, we introduce a remote quantum error correction code preparation protocol for BQC using a cluster state and analyze its blindness in...
Applying quantum error-correcting codes for fault-tolerant blind quantum cloud computation
Qiang Zhao, John C.S. Lui·Jan 5, 2023
Blind Quantum Computation (BQC) is a delegation computing protocol that allows a client to utilize a remote quantum server to implement desired quantum computations while keeping her inputs, outputs, and algorithms private. However, qubit errors duri...
Benchmarking universal quantum gates via channel spectrum
Yanwu Gu, Wei-Feng Zhuang, Xudan Chai +1 more·Jan 5, 2023
Noise remains the major obstacle to scalable quantum computation. Quantum benchmarking provides key information on noise properties and is an important step for developing more advanced quantum processors. However, current benchmarking methods are ei...
Efficient quantum simulation of electron-phonon systems by variational basis state encoder
Weitang Li, Jiajun Ren, Sai-nan Huai +3 more·Jan 4, 2023
Digital quantum simulation of electron-phonon systems requires truncating infinite phonon levels into $N$ basis states and then encoding them with qubit computational basis. Unary encoding and the more compact binary/Gray encoding are the two most re...
Rotational Abstractions for Verification of Quantum Fourier Transform Circuits
Arun Govindankutty, S. Srinivasan, Nimish Mathure·Jan 2, 2023
With the race to build large-scale quantum computers and efforts to exploit quantum algorithms for efficient problem solving in science and engineering disciplines, the requirement to have efficient and scalable verification methods are of vital impo...