32 citations · 122 across the 20 of their papers we have counts for
20 papers
Scheme for Transport-based Global Entanglement Distribution using Quantum Processors
Erik Lundblad, Mira Abu Yahia, Antonius Johannes Renders +3
We propose a scheme for distributing entanglement over global distances in a heralded manner by using satellites to physically transport entangled processor nodes with rare-earth-i…
Quantum networks using rare-earth ions
Wolfgang Tittel, Mikael Afzelius, Adam Kinos +2
We review concepts and recent work related to creating light-matter interfaces for future quantum networks based on rare-earth ion-doped crystals. More precisely, we explore their…
Frequency shifting of light via multiple ultrasound waves in scattering media
Adam Kinos
We derive analytical expressions to describe how light is frequency-shifted when interacting with ultrasound within scattering media, due to the modulation of the refractive index…
Using slow light to enable laser frequency stabilization to a short, high-Q cavity
David Gustavsson, Marcus Lindén, Kevin Shortiss +4
State-of-the-art laser frequency stabilization is limited by miniscule length changes caused by thermal noise. In this work, a cavity-length-insensitive frequency stabilization sch…
Pushing the limits of negative group velocity
Antonius J. Renders, David Gustavsson, Marcus Lindén +4
Distortion free negative group velocity pulse propagation is demonstrated in a rare-earth-ion-doped-crystal (RE) through the creation of a carefully designed spectral absorption st…
Complete analysis of a realistic fiber-based quantum repeater scheme
Adam Kinos, Andreas Walther, Stefan Kröll +1
We present a quantum repeater protocol for distributing entanglement over long distances, where a dedicated communication stage enables trial rates not limited by the travel time b…
Stark control of solid-state quantum memory with spin-wave storage
Mohammed K. Alqedra, Sebastian P. Horvath, Adam Kinos +3
Quantum memories for quantum communication need to be able to store photons for an extended time and then to release them on demand. This can be achieved in atomic frequency comb e…
Optical multi-qubit gate operations on an excitation blockaded atomic quantum register
Adam Kinos, Klaus Mølmer
We consider a multi-qubit system of atoms or ions with two computational ground states and an interacting excited state in the so-called blockade regime, such that only one qubit c…
Microscopic model of spin flip-flop processes in rare-earth-ion-doped crystals
Hafsa Syed, Adam Kinos, Chunyan Shi +2
Flip-flop processes due to magnetic dipole-dipole interaction between neighbouring ions in rare-earth-ion-doped crystals is one of the mechanisms of relaxation between hyperfine le…
Optical control of the complex phase of a quantum ground state amplitude
Adam Kinos, Mogens Dalgaard, Klaus Mølmer
We discuss how coherent driving of a two-level quantum system can be used to induce a complex phase on the ground state and we discuss its geometric and dynamic contributions. Whil…
Quantum error correction in the NISQ regime for sequential quantum computing
Arvid Rolander, Adam Kinos, Andreas Walther
We use density matrix simulations to study the performance of three distance three quantum error correcting codes in the context of the rare-earth-ion-doped crystal (RE) platform f…
High connectivity quantum processor nodes using single-ion-qubits in rare-earth-ion-doped crystals
Adam Kinos, Lars Rippe, Diana Serrano +2
We present two protocols for constructing quantum processor nodes in randomly doped rare-earth-ion crystals and analyze their properties. By varying the doping concentration and th…
Microscopic treatment of instantaneous spectral diffusion and its effect on quantum gate fidelities in rare-earth-ion-doped crystals
Adam Kinos, Lars Rippe, Andreas Walther +1
The effect of instantaneous spectral diffusion (ISD) on gate operations in rare-earth-ion-doped crystals is an important question to answer for the future of rare-earth quantum com…
Designing gate operations for single ion quantum computing in rare-earth-ion-doped crystals
Adam Kinos, Lars Rippe, Stefan Kröll +1
Quantum computers based on rare-earth-ion-doped crystals show promising properties in terms of scalability and connectivity if single ions can be used as qubits. Through simulation…
Slow Light Frequency Reference Cavities -- Proof of Concept for Reducing the Frequency Sensitivity Due to Length Fluctuations
Sebastian P. Horvath, Chunyan Shi, David Gustavsson +4
Length changes due to thermo-mechanical noise originating from, for example, Brownian motion are a key limiting factor of present day state-of-the-art laser frequency stabilization…
Roadmap for Rare-earth Quantum Computing
Adam Kinos, David Hunger, Roman Kolesov +11
Several platforms are being considered as hardware for quantum technologies. For quantum computing (QC), superconducting qubits and artificially trapped ions are among the leading…
Experimental implementation of precisely tailored light-matter interaction via inverse engineering
Ying Yan, Chunyan Shi, Adam Kinos +6
Accurate and efficient quantum control in the presence of constraints and decoherence is a requirement and a challenge in quantum information processing. Shortcuts to adiabaticity,…
Noise Free On-Demand Atomic Frequency Comb Quantum Memory
Sebastian P. Horvath, Mohammed K. Alqedra, Adam Kinos +4
We present an extension of the atomic frequency comb protocol that utilizes the Stark effect to perform noise-free, on-demand, control. An experimental realization of this protocol…
Fast and robust creation of an arbitrary single qubit state by nonadiabatic shortcut pulses in a three-level system
Ying Yan, Yi Chao Li, Adam Kinos +6
High-fidelity qubit initialization is of significance for efficient error correction in fault tolerant quantum algorithms. Combining two best worlds, speed and robustness, to achie…
Using electric fields for pulse compression and group velocity control
Qian Li, Adam Kinos, Axel Thuresson +2
In this article, we experimentally demonstrate a new way of controlling the group velocity of an optical pulse by using a combination of spectral hole burning, slow light effect an…