487 citations · 1.4k across the 25 of their papers we have counts for
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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…
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…
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…
High resolution transient and permanent spectral hole burning in Ce:YSiO at liquid helium temperatures
Jenny Karlsson, Adam N. Nilsson, Diana Serrano +5
We perform hole burning with a low drift stabilized laser within the zero phonon line of the 4f-5d transition in Ce:YSiO at 2K. The narrowest spectral holes appear f…
Slow light based optical frequency shifter
Qian Li, Yupan Bao, Axel Thuresson +3
We demonstrate experimentally and theoretically a controllable way of shifting the frequency of an optical pulse by using a combination of spectral hole burning, slow light effect,…
Fast all-optical nuclear spin echo technique based on EIT
Andreas Walther, Adam N. Nilsson, Qian Li +2
We demonstrate an all-optical Raman spin echo technique, using Electromagnetically Induced Transparency (EIT) to create the different pulses of the spin echo sequence: initializati…
High fidelity readout scheme for rare-earth solid state quantum computing
A. Walther, L. Rippe, Y. Yan +5
We propose and analyze a high fidelity readout scheme for a single instance approach to quantum computing in rare-earth-ion-doped crystals. The scheme is based on using different s…
Spectral Engineering of Slow Light, Cavity Line Narrowing, and Pulse Compression
Mahmood Sabooni, Qian Li, Lars Rippe +2
More than 4 orders of magnitude of cavity-linewidth narrowing in a rare-earth-ion-doped crystal cavity, emanating from strong intracavity dispersion caused by off-resonant interact…
Three orders of magnitude cavity-linewidth narrowing by slow light in a rare-earth-ion-doped crystal cavity
Mahmood Sabooni, Qian Li, Lars Rippe +1
Three orders of magnitude cavity-linewidth narrowing in a rare-earth-ion-doped crystal cavity, induced by strong intra-cavity dispersion caused by off-resonant interaction with dop…
Efficient quantum memory using a weakly absorbing sample
Mahmood Sabooni, Qian Li, Stefan Kröll +1
A light-storage experiment with a total (storage and retrieval) efficiency is carried out by enclosing a sample, with a single pass absorption of 10%, in an impedance…
Cavity enhanced storage - preparing for high efficiency quantum memories
Mahmood Sabooni, Samuel Tornibue Kometa, Axel Thuresson +2
Cavity assisted quantum memory storage has been proposed [PRA 82, 022310 (2010), PRA 82, 022311 (2010)] for creating efficient (close to unity) quantum memories using weakly absorb…
Hyperfine characterization and coherence lifetime extension in Pr3+:La2(WO4)3
Marko Lovrić, Philipp Glasenapp, Dieter Suter +6
Rare-earth ions in dielectric crystals are interesting candidates for storing quantum states of photons. A limiting factor on the optical density and thus the conversion efficiency…
Quantum Memories. A Review based on the European Integrated Project "Qubit Applications (QAP)"
C. Simon, M. Afzelius, J. Appel +21
We perform a review of various approaches to the implementation of quantum memories, with an emphasis on activities within the quantum memory sub-project of the EU Integrated Proje…
Extracting high fidelity quantum computer hardware from random systems
A. Walther, B. Julsgaard, L. Rippe +4
An overview of current status and prospects of the development of quantum computer hardware based on inorganic crystals doped with rare-earth ions is presented. Major parts of the…
Storage and recall of weak coherent optical pulses with an efficiency of 25%
M. Sabooni, F. Beaudoin, A. Walther +4
We demonstrate experimentally a quantum memory scheme for the storage of weak coherent light pulses in an inhomogeneously broadened optical transition in a Pr^{3+}: YSO crystal at…
Towards an eficient atomic frequency comb quantum memory
A. Amari, A. Walther, M. Sabooni +8
We present an efficient photon-echo experiment based on atomic frequency combs [Phys. Rev. A 79, 052329 (2009)]. Echoes containing an energy of up to 35% of that of the input pulse…
Demonstration of atomic frequency comb memory for light with spin-wave storage
Mikael Afzelius, Imam Usmani, Atia Amari +8
We present a light-storage experiment in a praseodymium-doped crystal where the light is mapped onto an inhomogeneously broadened optical transition shaped into an atomic frequency…
Laser stabilization using spectral hole burning
L. Rippe, B. Julsgaard, A. Walther +1
We have frequency stabilized a Coherent CR699-21 dye laser to a transient spectral hole on the 606 nm transition in Pr^{+3}:Y_2SiO_5. A frequency stability of 1 kHz has been obtain…
Initial experiments concerning quantum information processing in rare-earth-ion doped crystals
M. Nilsson, L. Levin, N. Ohlsson +2
In this paper initial experiments towards constructing simple quantum gates in a solid state material are presented. Instead of using specially tailored materials, the aim is to se…