Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Coherent control of single electrons: a review of current progress
C. Bäuerle, D. Glattli, T. Meunier +6 more·Jan 23, 2018
In this report we review the present state of the art of the control of propagating quantum states at the single-electron level and its potential application to quantum information processing. We give an overview of the different approaches that have...
Non-Markovianity-assisted high-fidelity Deutsch–Jozsa algorithm in diamond
Yang Dong, Yu Zheng, Shen Li +4 more·Jan 22, 2018
The memory effects in non-Markovian quantum dynamics can induce the revival of quantum coherence, which is believed to provide important physical resources for quantum information processing (QIP). However, no real quantum algorithms have been demons...
Solid-state qubits
M. Gonzalez-Zalba·Jan 20, 2018
The quantum world is fascinating. It presents a description of nature that defies our most rooted concepts about what reality is. For example, quantum objects possess \lq\lq spooky\rq\rq\ properties that allow them to be in multiple places at the sam...
Demonstration of Topological Data Analysis on a Quantum Processor
Heliang Huang, Xi-Lin Wang, P. Rohde +7 more·Jan 19, 2018
Topological data analysis offers a robust way to extract useful information from noisy, unstructured data by identifying its underlying structure. Recently, an efficient quantum algorithm was proposed [Lloyd, Garnerone, Zanardi, Nat. Commun. 7, 10138...
Pair-cat codes: autonomous error-correction with low-order nonlinearity
Victor V. Albert, S. Mundhada, A. Grimm +3 more·Jan 18, 2018
We introduce a driven-dissipative two-mode bosonic system whose reservoir causes simultaneous loss of two photons in each mode and whose steady states are superpositions of pair-coherent/Barut-Girardello coherent states. We show how quantum informati...
Deterministic teleportation of a quantum gate between two logical qubits
K. Chou, J. Blumoff, J. Blumoff +8 more·Jan 16, 2018
A quantum computer has the potential to efficiently solve problems that are intractable for classical computers. However, constructing a large-scale quantum processor is challenging because of the errors and noise that are inherent in real-world quan...
Quantum-enhanced magnetometry by phase estimation algorithms with a single artificial atom
S. Danilin, A. Lebedev, Antti Vepsäläinen +4 more·Jan 7, 2018
Phase estimation algorithms are key protocols in quantum information processing. Besides applications in quantum computing, they can also be employed in metrology as they allow for fast extraction of information stored in the quantum state of a syste...
Flux-tunable heat sink for quantum electric circuits
M. Partanen, K. Tan, S. Masuda +10 more·Dec 29, 2017
Superconducting microwave circuits show great potential for practical quantum technological applications such as quantum information processing. However, fast and on-demand initialization of the quantum degrees of freedom in these devices remains a c...
Getting the public involved in Quantum Error Correction
James R. Wootton·Dec 27, 2017
The Decodoku project seeks to let users get hands-on with cutting-edge quantum research through a set of simple puzzle games. The design of these games is explicitly based on the problem of decoding qudit variants of surface codes. This problem is pr...
Deterministic quantum state transfer and remote entanglement using microwave photons
P. Kurpiers, P. Magnard, T. Walter +10 more·Dec 22, 2017
Sharing information coherently between nodes of a quantum network is fundamental to distributed quantum information processing. In this scheme, the computation is divided into subroutines and performed on several smaller quantum registers that are co...
Harnessing electro-optic correlations in an efficient mechanical converter
A. Higginbotham, P. S. Burns, M. Urmey +6 more·Dec 18, 2017
An optical network of superconducting quantum bits (qubits) is an appealing platform for quantum communication and distributed quantum computing, but developing a quantum-compatible link between the microwave and optical domains remains an outstandin...
Noise-tolerant parity learning with one quantum bit
D. Park, J. Rhee, S. Lee·Dec 16, 2017
Demonstrating quantum advantage with less powerful but more realistic devices is of great importance in modern quantum information science. Recently, a significant quantum speedup was achieved in the problem of learning a hidden parity function with ...
Deterministic Remote Entanglement of Superconducting Circuits through Microwave Two-Photon Transitions.
P. Campagne-Ibarcq, E. Zalys-Geller, A. Narla +8 more·Dec 15, 2017
Large-scale quantum information processing networks will most probably require the entanglement of distant systems that do not interact directly. This can be done by performing entangling gates between standing information carriers, used as memories ...
Eliminating reservoir density-of-states fingerprints in Coulomb blockade spectroscopy
Arnab Manna, B. Muralidharan, S. Mahapatra·Dec 12, 2017
The differential conductance map of a single electron transistor (SET) provides information about a variety of parameters related to (quantum) dots, relevant for semiconductor-based quantum computing schemes. However, in ultra-scaled device architect...
Gouy Phase Radial Mode Sorter for Light: Concepts and Experiments.
Xuemei Gu, Mario Krenn, Manuel Erhard +1 more·Dec 7, 2017
We present an in principle lossless sorter for radial modes of light, using accumulated Gouy phases. The experimental setups have been found by a computer algorithm, and can be intuitively understood in a geometric way. Together with the ability to s...
Majorana-Based Fermionic Quantum Computation.
T. O’Brien, P. Rożek, A. Akhmerov·Dec 6, 2017
Because Majorana zero modes store quantum information nonlocally, they are protected from noise, and have been proposed as a building block for a quantum computer. We show how to use the same protection from noise to implement universal fermionic qua...
Demonstration of entanglement purification and swapping protocol to design quantum repeater in IBM quantum computer
B. K. Behera, Swarnadeep Seth, Antariksha Das +1 more·Dec 3, 2017
Quantum communication is a secure way to transfer quantum information and to communicate with legitimate parties over distant places in a network. Although communication over a long distance has already been attained, technical problem arises due to ...
Analysing correlated noise on the surface code using adaptive decoding algorithms
Naomi H. Nickerson, Benjamin J. Brown·Dec 1, 2017
Laboratory hardware is rapidly progressing towards a state where quantum error-correcting codes can be realised. As such, we must learn how to deal with the complex nature of the noise that may occur in real physical systems. Single qubit Pauli error...
High-threshold fault-tolerant quantum computation with analog quantum error correction
Kosuke Fukui, A. Tomita, A. Okamoto +1 more·Dec 1, 2017
To implement fault-tolerant quantum computation with continuous variables, the Gottesman-Kitaev-Preskill (GKP) qubit has been recognized as an important technological element. However,it is still challenging to experimentally generate the GKP qubit w...
Robust Learning Control Design for Quantum Unitary Transformations
Chengzhi Wu, B. Qi, Chunlin Chen +1 more·Dec 1, 2017
Robust control design for quantum unitary transformations has been recognized as a fundamental and challenging task in the development of quantum information processing due to unavoidable decoherence or operational errors in the experimental implemen...