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Silicon coupled cavities as a flexible platform for integrated nonlinear photonics
Author(s): Xin Cui; Weiwei Zhang; Samuel Serna; Xavier Le Roux; Carlos Alonso-Ramos; Delphine Marris-Morini; Laurent Vivien; Jian-Jun He; Eric Cassan
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Paper Abstract

Multiply resonant silicon photonic devices based on three coupled nanobeam cavities are proposed engineer third order nonlinearities at wavelengths around λ=1.55μm. We show that varying the geometrical parameters allows a flexible tuning of linear properties of the system, especially the deviations between the cavity resonance wavelengths. Based on the linear regime results, the nonlinear properties of the system are studied using coupled mode expressions of the supermodes given by the Tight-Binding method for the calculation of the nonlinear integrals controlling the intensity of the third-order nonlinear effects of the photonic molecules. We geometrically control the self-phase modulation (SPM), the cross-phase modulation (XPM), and the degenerate four-wave mixing (DFWM) nonlinear coefficients of the three coupled nanobeam cavities and identify general trends for nonlinear applications such as optical switching and frequency conversion devices.

Paper Details

Date Published: 4 May 2018
PDF: 7 pages
Proc. SPIE 10672, Nanophotonics VII, 1067228 (4 May 2018); doi: 10.1117/12.2305909
Show Author Affiliations
Xin Cui, Zhejiang Univ. (China)
Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS (France)
Weiwei Zhang, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS (France)
Samuel Serna, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS (France)
Xavier Le Roux, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS (France)
Carlos Alonso-Ramos, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS (France)
Delphine Marris-Morini, Ctr. de Nanosciences et de Nanotechnologies, Ctr. National de la Recherche Scientifique (France)
Laurent Vivien, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS (France)
Jian-Jun He, Zhejiang Univ. (China)
Eric Cassan, Ctr. de Nanosciences et de Nanotechnologies, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS (France)


Published in SPIE Proceedings Vol. 10672:
Nanophotonics VII
David L. Andrews; Angus J. Bain; Jean-Michel Nunzi; Andreas Ostendorf, Editor(s)

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