Andreas Walther
Andreas Walther
Associate Prof. in quantum physics, Lund University
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Demonstration of atomic frequency comb memory for light with spin-wave storage
M Afzelius, I Usmani, A Amari, B Lauritzen, A Walther, C Simon, ...
Physical review letters 104 (4), 040503, 2010
Controlling fast transport of cold trapped ions
A Walther, F Ziesel, T Ruster, ST Dawkins, K Ott, M Hettrich, K Singer, ...
Physical review letters 109 (8), 080501, 2012
Experimental quantum-state tomography of a solid-state qubit
L Rippe, B Julsgaard, A Walther, Y Ying, S Kröll
Physical Review A 77 (2), 022307, 2008
Towards an efficient atomic frequency comb quantum memory
A Amari, A Walther, M Sabooni, M Huang, S Kröll, M Afzelius, I Usmani, ...
Journal of Luminescence 130 (9), 1579-1585, 2010
Experimental realization of fast ion separation in segmented Paul traps
T Ruster, C Warschburger, H Kaufmann, CT Schmiegelow, A Walther, ...
Physical Review A 90 (3), 033410, 2014
Storage and recall of weak coherent optical pulses with an efficiency of 25%
M Sabooni, F Beaudoin, A Walther, N Lin, A Amari, M Huang, S Kröll
Physical review letters 105 (6), 060501, 2010
Understanding laser stabilization using spectral hole burning
B Julsgaard, A Walther, S Kröll, L Rippe
Optics express 15 (18), 11444-11465, 2007
Spectral hole-burning spectroscopy in
SR Hastings-Simon, M Afzelius, J Minář, MU Staudt, B Lauritzen, ...
Physical Review B 77 (12), 125111, 2008
Experimental superradiance and slow-light effects for quantum memories
A Walther, A Amari, S Kröll, A Kalachev
Physical Review A 80 (1), 012317, 2009
Observing the phase space trajectory of an entangled matter wave packet
U Poschinger, A Walther, K Singer, F Schmidt-Kaler
Physical review letters 105 (26), 263602, 2010
Extracting high fidelity quantum computer hardware from random systems
A Walther, B Julsgaard, L Rippe, Y Ying, S Kröll, R Fisher, S Glaser
Physica Scripta 2009 (T137), 014009, 2009
Long coherence lifetime and electromagnetically induced transparency in a highly-spin-concentrated solid
P Goldner, O Guillot-Noël, F Beaudoux, Y Le Du, J Lejay, T Chanelière, ...
Physical Review A 79 (3), 033809, 2009
Roadmap for rare-earth quantum computing
A Kinos, D Hunger, R Kolesov, K Mølmer, H de Riedmatten, P Goldner, ...
arXiv preprint arXiv:2103.15743, 2021
High-fidelity readout scheme for rare-earth solid-state quantum computing
A Walther, L Rippe, Y Yan, J Karlsson, D Serrano, AN Nilsson, ...
Physical Review A 92 (2), 022319, 2015
Hyperfine structure and hyperfine coherent properties of praseodymium in single-crystalline La 2 (WO 4) 3 by hole-burning and photon-echo techniques
O Guillot-Noël, P Goldner, F Beaudoux, Y Le Du, J Lejay, A Amari, ...
Physical Review B 79 (15), 155119, 2009
Measurement of linewidths and permanent electric dipole moment change of the Ce 4 f-5 d transition in Y 2 SiO 5 for qubit readout scheme in rare-earth ion based quantum computing
Y Yan, J Karlsson, L Rippe, A Walther, D Serrano, D Lindgren, M Pistol, ...
Physical Review B 87 (18), 184205, 2013
Noise-free on-demand atomic frequency comb quantum memory
SP Horvath, MK Alqedra, A Kinos, A Walther, JM Dahlström, S Kröll, ...
Physical Review Research 3 (2), 023099, 2021
Experimental creation and analysis of displaced number states
F Ziesel, T Ruster, A Walther, H Kaufmann, S Dawkins, K Singer, ...
Journal of Physics B: Atomic, Molecular and Optical Physics 46 (10), 104008, 2013
Analysis of the potential for non-invasive imaging of oxygenation at heart depth, using ultrasound optical tomography (UOT) or photo-acoustic tomography (PAT)
A Walther, L Rippe, LV Wang, S Andersson-Engels, S Kröll
Biomedical Optics Express 8 (10), 4523-4536, 2017
Inverse engineering of shortcut pulses for high fidelity initialization on qubits closely spaced in frequency
Y Yan, Y Li, A Kinos, A Walther, C Shi, L Rippe, J Moser, S Kröll, X Chen
Optics Express 27 (6), 8267-8282, 2019
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