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Showing 2023 · quant-phShow all

14 papers · 2 filters

quant-ph2023★ 20 cited

Coherent microwave, optical, and mechanical quantum control of spin qubits in diamond

Laura Orphal-Kobin, Cem Güney Torun, Julian M. Bopp +2

Diamond has emerged as a highly promising platform for quantum network applications. Color centers in diamond fulfill the fundamental requirements for quantum nodes: they constitut…

quant-ph2023★ 1 cited

Optical probing of phononic properties of a tin-vacancy color center in diamond

Cem Güney Torun, Joseph H. D. Munns, Franziska Marie Herrmann +12

The coherence characteristics of a tin-vacancy color center (SnV) in diamond are investigated through optical means, including linewidth broadening effects and coherent population…

quant-ph2023★ 5 cited

SUPER and femtosecond spin-conserving coherent excitation of a tin-vacancy color center in diamond

Cem Güney Torun, Mustafa Gökçe, Thomas K. Bracht +11

The coherent excitation of an optically active spin system is one of the key elements in the engineering of a spin-photon interface. Using the novel SUPER scheme, we coherently con…

quant-ph2023★ 10 cited

Efficient Microwave Spin Control of Negatively Charged Group-IV Color Centers in Diamond

Gregor Pieplow, Mohamed Belhassen, Tim Schröder

In this work, we provide a comprehensive overview of the microwave-induced manipulation of electronic spin states in negatively charged group-IV color centers in diamond with a par…

quant-ph2023★ 11 cited

Fermionic wave packet scattering: a quantum computing approach

Yahui Chai, Arianna Crippa, Karl Jansen +4

Quantum computing provides a novel avenue towards simulating dynamical phenomena, and, in particular, scattering processes relevant for exploring the structure of matter. However,…

quant-ph2023

A qubit-ADAPT Implementation for H Molecules using an Explicitly Correlated Basis

Hakon Volkmann, Raamamurthy Sathyanarayanan, Alejandro Saenz +2

With the recent advances in the development of devices capable of performing quantum computations, a growing interest in finding near-term applications has emerged in many areas of…

quant-ph2023★ 211 cited

Quantum Computing for High-Energy Physics: State of the Art and Challenges. Summary of the QC4HEP Working Group

Alberto Di Meglio, Karl Jansen, Ivano Tavernelli +43

Quantum computers offer an intriguing path for a paradigmatic change of computing in the natural sciences and beyond, with the potential for achieving a so-called quantum advantage…

quant-ph2023★ 7 cited

High-accuracy Casimir-Polder force calculations using the Discontinuous Galerkin Time-Domain method

Philip Trøst Kristensen, Bettina Beverungen, Francesco Intravaia +1

We describe a numerical time-domain approach for high-accuracy calculations of Casimir-Polder forces near micro-structured materials. The use of a time-domain formulation enables t…

quant-ph2023★ 13 cited

Resource-efficient fault-tolerant one-way quantum repeater with code concatenation

Kah Jen Wo, Guus Avis, Filip Rozpędek +6

One-way quantum repeaters where loss and operational errors are counteracted by quantum error correcting codes can ensure fast and reliable qubit transmission in quantum networks.…

quant-ph2023★ 23 cited

Time-delayed single satellite quantum repeater node for global quantum communications

Mustafa Gündoğan, Jasminder S. Sidhu, Markus Krutzik +1

Global-scale quantum networking faces significant technical and scientific obstacles. Quantum repeaters (QRs) have been proposed to overcome the inherent direct transmission range…

quant-ph2023★ 26 cited

Light-matter interaction at the transition between cavity and waveguide QED

Daniel Lechner, Riccardo Pennetta, Martin Blaha +3

Experiments based on cavity quantum electrodynamics (QED) are widely used to study the interaction of a light field with a discrete frequency spectrum and emitters. More recently,…

quant-ph2023

Oscillation probabilities for a PT-symmetric non-Hermitian two-state system

Jean Alexandre, Madeleine Dale, John Ellis +2

There is growing interest in viable quantum theories with PT-symmetric non-Hermitian Hamiltonians, but a formulation of transition matrix elements consistent with positivity and pe…

quant-ph2023★ 28 cited

QUICK -- Design of a satellite-based quantum light source for quantum communication and extended physical theory tests in space

Najme Ahmadi, Sven Schwertfeger, Philipp Werner +19

Modern quantum technologies have matured such that they can now be used in space applications, e.g., long-distance quantum communication. Here, we present the design of a compact t…

quant-ph2023★ 11 cited

Multiplexed random-access optical memory in warm cesium vapor

Leon Meßner, Elizabeth Robertson, Luisa Esguerra +2

The ability to store large amounts of photonic quantum states is regarded as substantial for future optical quantum computation and communication technologies. However, research fo…