1206.2256 (G. M. Nikolopoulos et al.)

Analysis and minimization of bending losses in discrete quantum networks    [PDF]

G. M. Nikolopoulos, A. Hoscovec, I. Jex

We study theoretically the transfer of quantum information along bends in two-dimensional discrete lattices. Our analysis shows that the fidelity of the transfer decreases considerably, as a result of interactions in the neighbourhood of the bend. It is also demonstrated that such losses can be controlled efficiently by the inclusion of a defect. The present results are of relevance to various physical implementations of quantum networks, where geometric imperfections with finite spatial extent may arise as a result of bending, residual stress, etc.

View original: http://arxiv.org/abs/1206.2256