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Bistability and stationary gap solitons in quasiperiodic photonic crystals based on Thue-Morse sequence

MPG-Autoren
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Biancalana,  F.
Biancalana Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Zitation

Grigoriev, V. V., & Biancalana, F. (2010). Bistability and stationary gap solitons in quasiperiodic photonic crystals based on Thue-Morse sequence. PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS, 8(4), 285-290. doi:10.1016/j.photonics.2010.05.002.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-002D-6ABD-D
Zusammenfassung
The nonlinear properties of quasiperiodic photonic crystals based on the Thue-Morse sequence are investigated. The intrinsic asymmetry of these one-dimensional structures for odd generation numbers results in bistability thresholds which are sensitive to propagation direction. Along with resonances of perfect transmission, this feature allows to obtain strongly nonreciprocal propagation and to create an all-optical diode. The efficiency of two schemes is compared: passive and active when an additional short pump signal is applied to the system. The existence of stationary gap solitons in quasiperiodic photonic crystals is shown numerically, and their difference from the Bragg case is emphasized. (C) 2010 Elsevier B.V. All rights reserved.