Wave communication across regular lattices

Details Wave communication across regular lattices Wave communication across regular lattices

2010-01-02

arxiv.org/abs/1001.0335v1

Physical Review Letters 103, 260501 (2009)

Physics

Quantum Physics

Scientific paper

We propose a novel way to communicate signals in the form of waves across a d - dimensional lattice. The mechanism is based on quantum search algorithms and makes it possible to both search for marked positions in a regular grid and to communicate between two (or more) points on the lattice. Remarkably, neither the sender nor the receiver needs to know the position of each other despite the fact that the signal is only exchanged between the contributing parties. This is an example of using wave interference as a resource by controlling localisation phenomena effectively. Possible experimental realisations will be discussed.

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