106 citations · 609 across the 27 of their papers we have counts for
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quant-ph2019★ 7 cited
Unitary Two-State Quantum Operators Realized By Quadrupole Fields in the Electron Microscope
Stefan Löffler
In this work, a novel method for using a set of electromagnetic quadrupole fields is presented to implement arbitrary unitary operators on a two-state quantum system of electrons.…
physics.app-ph2019
/2 Mode Converters and Vortex Generators for Electrons
Christian Kramberger, Stefan Löffler, Thomas Schachinger +3
In optics, mode conversion is an elegant way to switch between Hermite Gaussian and Laguerre Gaussian beam profiles and thereby impart orbital angular momentum onto the beam and to…