231 citations · 717 across the 8 of their papers we have counts for
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quant-ph2015★ 4 cited
Excitation of an Atomic Transition with a Vortex Laser Beam
Christian T. Schmiegelow, Jonas Schulz, Henning Kaufmann +3
Photons carry one unit of angular momentum associated with their spin~\cite{Beth1936}. Structured vortex beams carry additional orbital angular momentum which can also be transferr…
quant-ph2015★ 27 cited
Phase-stable free-space optical lattices for trapped ions
Christian Tomas Schmiegelow, Henning Kaufmann, Thomas Ruster +5
We demonstrate control of the absolute phase of an optical lattice with respect to a single trapped ion. The lattice is generated by off-resonant free-space laser beams, we activel…