All-optical diode action with Thue-Morse quasiperiodic photonic crystals

Details All-optical diode action with Thue-Morse quasiperiodic photonic crystals All-optical diode action with Thue-Morse quasiperiodic photonic crystals

2008-03-18

arxiv.org/abs/0803.2595v4

Physics

Optics

submitted to JAP. Scale of Fig. 4 corrected

Scientific paper

10.1117/12.767231

We theoretically investigate the possibility of realizing a nonlinear all-optical diode by using the unique features of quasiperiodic 1D photonic crystals. The interplay between the intrinsic spatial asymmetry in odd-order Thue-Morse lattices and Kerr nonlinearity, combined with the unconventional field localization properties of this class of quasiperiodic sequences, gives rise to sharp resonances that can be used to give a polarization-insensitive, nonreciprocal propagation with a contrast close to unity for low optical intensities.

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