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Silica glass bend waveguide assisted by two-dimensional photonic crystals

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Abstract

In this paper we report on the modeling of low index contrast silica glass 90° bend ridge waveguides assisted by a two-dimensional photonic crystal. A three-dimensional finite-difference time-domain (3D-FDTD) based computer code has been used in order to evaluate the transmission characteristics and the in-plane losses of the investigated waveguides having different values of the bend radius. The performance of the bend structure surrounded by two-dimensional photonic crystals is compared to that of a classical bend ridge waveguide and the phenomenon of light confinement is critically analyzed. The device design is optimized for quasi-TM polarization at the wavelength of 1.3 μm.

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Authors and Affiliations

  1. National Nanotechnology Laboratory of INFM (NNL-INFM), Distretto Tecnologico-ISUFI, Università di Lecce, Via Arnesano, 73100, Lecce, Italy

    T. Stomeo, R. Bergamo, R. Cingolani & M. De Vittorio

  2. Dipartimento di Elettrotecnica ed Elettronica, Politecnico di Bari, Via Re David 200, 70125, Bari, Italy

    A. D’orazio, D. De Ceglia & V. Marrocco

Authors
  1. T. Stomeo
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  2. R. Bergamo
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  3. R. Cingolani
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  4. M. De Vittorio
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  5. A. D’orazio
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  6. D. De Ceglia
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  7. V. Marrocco
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Correspondence to T. Stomeo.

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Stomeo, T., Bergamo, R., Cingolani, R. et al. Silica glass bend waveguide assisted by two-dimensional photonic crystals. Opt Quant Electron 37, 229–239 (2005). https://doi.org/10.1007/s11082-005-1163-y

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  • DOI: https://doi.org/10.1007/s11082-005-1163-y

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