546 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The University of TokyoJP98 papers
- Centre National de la Recherche ScientifiqueFR85 papers
- The University of OsakaJP47 papers
- RIKENJP46 papers
- University College CorkIE46 papers
- Kyoto UniversityJP34 papers
- Nagoya UniversityJP34 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR29 papers
- Hiroshima UniversityJP28 papers
- Institute of Space and Astronautical ScienceJP28 papers
- Japan Aerospace Exploration AgencyJP27 papers
- Tohoku UniversityJP27 papers
39 papers · 2 filters
Variational quantum compiling for three-qubit gates design in quantum dots
Yuanyang Zhou, Huaxin He, Fengtao Pang +3
Semiconductor quantum dots offer a promising platform for controlling spin qubits and realizing quantum logic gates, essential for scalable quantum computing. In this work, we util…
Use of Faulty States in Cat-Code Error Correction
Michael Hanks, Soovin Lee, Nicolo Lo Piparo +4
Bosonic codes have seen a resurgence in interest for applications as varied as fault tolerant quantum architectures, quantum enhanced sensing, and entanglement distribution. Cat co…
Continuous-Variable Multiplexed Quantum Repeater Networks
Pei-Zhe Li, William J. Munro, Kae Nemoto +1
Continuous-variable (CV) codes and their application in quantum communication have attracted increasing attention. In particular, one typical CV codes, cat-codes, has already been…
Tunable two-species spin models with Rydberg atoms in circular and elliptical states
Jacek Dobrzyniecki, Paula Heim, Michał Tomza
We propose a scheme for constructing versatile quantum simulators using ultracold Rydberg atoms in long-lived circular and elliptical states. By exciting different subspaces of int…
Topological Phase Transitions in a Constrained Two-Qubit Quantum Control Landscape
Nicolò Beato, Pranay Patil, Marin Bukov
In optimal quantum control, control landscape phase transitions (CLPTs) indicate sharp changes occurring in the set of optimal protocols, as a physical model parameter is varied. H…
A decompositional framework for process theories in spacetime
Matthias Salzger, John H. Selby
There has been a recent surge of interest within the field of quantum foundations regarding incorporating ideas from general relativity and quantum gravity. However, many quantum i…
How to integrate a miniature optical cavity in a linear ion trap: shielding dielectrics and trap symmetry
Ezra Kassa, Shaobo Gao, Soon Teh +2
One method of scaling up quantum systems is to adopt a modular approach. In the ion trap architecture, an efficient photonic interface between independent linear ion traps would al…
Enhancing Quantum Key Distribution with Entanglement Distillation and Classical Advantage Distillation
Shin Sun, Kenneth Goodenough, Daniel Bhatti +1
Realizing secure communication between distant parties is one of quantum technology's main goals. Although quantum key distribution promises information-theoretic security for shar…
Spin-mechanical thermal machines
Mohamed Hatifi, Anshuman Nayak, Jason Twamley
We introduce a method to construct a quantum battery and a quantum Otto heat engine using a Nitrogen-Vacancy (NV) center spin coupled to a mechanical oscillator in a highly detuned…
Heralded optical entanglement distribution via lossy quantum channels: A comparative study
Wan Zo, Seungbeom Chin, Yong-Su Kim
Quantum entanglement serves as a foundational resource for various quantum technologies. In optical systems, entanglement distribution rely on the indistinguishability and spatial…
Hardware-Efficient Preparation of Graph States on Near-Term Quantum Computers
Sebastian Brandhofer, Ilia Polian, Stefanie Barz +1
Highly entangled quantum states are an ingredient in numerous applications in quantum computing. However, preparing these highly entangled quantum states on currently available qua…
Spin amplification in realistic systems
Ivan Iakoupov, Victor M. Bastidas, Yuichiro Matsuzaki +2
Spin amplification is the process that ideally increases the number of excited spins when one of them is excited initially. We show that by applying optimal control techniques to d…
Heralding Higher-Dimensional Bell and Greenberger-Horne-Zeilinger States Using Multiport Splitters
Daniel Bhatti, Stefanie Barz
One of the most important resources for quantum optical experiments and applications are on-demand highly entangled multiphoton quantum states. A promising way of generating them i…
Threshold (Q, P) Quantum Distillation
Shashank Gupta, William John Munro, Carlos Cid
Quantum distillation is the task of concentrating quantum correlations present in 'N' imperfect copies using free operations by involving all 'P' parties sharing the quantum correl…
Toward a Theory of Phase Transitions in Quantum Control Landscapes
Nicolò Beato, Pranay Patil, Marin Bukov
Control landscape phase transitions (CLPTs) occur as abrupt changes in the cost function landscape upon varying a control parameter, and can be revealed by non-analytic points in s…
Modular Architectures and Entanglement Schemes for Error-Corrected Distributed Quantum Computation
Siddhant Singh, Fenglei Gu, Sébastian de Bone +3
Connecting multiple smaller qubit modules by generating high-fidelity entangled states is a promising path for scaling quantum computing hardware. The performance of such a modular…
Disti-Mator: an entanglement distillation-based state estimator
Joshua Carlo A. Casapao, Ananda G. Maity, Naphan Benchasattabuse +3
Minimizing both experimental effort and consumption of valuable quantum resources in state estimation is vital in practical quantum information processing. Here, we explore charact…
Symmetry-induced failures of tomographic locality: Constructing foil theories by twirling
Daniel Centeno, Marco Erba, Thomas D. Galley +7
Tomographic locality is a principle commonly used in the program of finding axioms that pick out quantum theory within the landscape of possible theories. The principle asserts the…
Efficient detection of nonclassicality using moments of the Wigner function
Bivas Mallick, Sudip Chakrabarty, Saheli Mukherjee +2
States with a negative Wigner function, a significant subclass of nonclassical states, serve as a valuable resource for various quantum information processing tasks. Here, we provi…
Far from Perfect: Quantum Error Correction with (Hyperinvariant) Evenbly Codes
Matthew Steinberg, Junyu Fan, Robert J. Harris +3
We introduce a new class of qubit codes that we call Evenbly codes, building on a previous proposal of hyperinvariant tensor networks. Its tensor network description consists of lo…
High-threshold, low-overhead and single-shot decodable fault-tolerant quantum memory
Thomas R. Scruby, Timo Hillmann, Joschka Roffe
We present a new family of quantum low-density parity-check codes, which we call radial codes, obtained from the lifted product of a specific subset of classical quasi-cyclic codes…
Robustness of contextuality under different types of noise as quantifiers for parity-oblivious multiplexing tasks
Amanda M. Fonseca, Vinicius P. Rossi, Roberto D. Baldijão +2
Generalised contextuality is the notion of nonclassicality powering up a myriad of quantum tasks, among which is the celebrated case of a two-party information processing task wher…
Exponentially Enhanced Scheme for the Heralded Qudit GHZ State in Linear Optics
Seungbeom Chin, Junghee Ryu, Yong-Su Kim
High-dimensional multipartite entanglement plays a crucial role in quantum information science. However, existing schemes for generating such entanglement become complex and costly…
Multiplexed Quantum Communication with Surface and Hypergraph Product Codes
Shin Nishio, Nicholas Connolly, Nicolò Lo Piparo +3
Connecting multiple processors via quantum interconnect technologies could help overcome scalability issues in single-processor quantum computers. Transmission via these interconne…