Quantum physics inspired optical effects in tight-binding lattices: Phase-controlled photonic transport
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A theoretical proposal for photonic transport in an array of waveguides is presented. By coupling phase-displaced inputs into adjacent waveguides, and calculating the expectation value of the position space operator, we demonstrate directed motion in this system. The one-way photonic transport arises from interferences due to the phase differences in the inputs to the waveguides. 2011 American Physical Society.