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Chinese Optics Letters, Volume. 15, Issue 2, 021301(2017)

Numerical evaluation of radiation and optical coupling occurring in optical coupler

Mansour Bacha1,2、* and Abderrahmane Belghoraf1
Author Affiliations
  • 1Electronics Department, University of Sciences and Technology of Oran Mohamed Boudiaf, Oran M’Naouer BP 1505, Algeria
  • 2Centre of Satellites Development, Ibn Rochd USTO Oran BP 4065, Algeria
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    Configuration of the optical coupler to analyze.

    Fig. 1. Configuration of the optical coupler to analyze.

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    Second intrinsic normalized mode (q=2) of a symmetric polymer optical waveguide for the wedge angle a=0.03 rad. The dashed graph represents the normalized intrinsic field at a thickness of W=3 μm, and the solid line represents the intrinsic field at thickness W=0.4, which is lower than the cut-off thickness.

    Fig. 2. Second intrinsic normalized mode (q=2) of a symmetric polymer optical waveguide for the wedge angle a=0.03  rad. The dashed graph represents the normalized intrinsic field at a thickness of W=3  μm, and the solid line represents the intrinsic field at thickness W=0.4, which is lower than the cut-off thickness.

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    Third intrinsic normalized mode (q=3) of a symmetric polymer optical waveguide for the wedge angle a=0.03 rad. The dashed graph represents the normalized intrinsic field at a thickness of W=4 μm, and the solid line represents the field at a thickness of W=0.9, which is lower than the cut-off thickness.

    Fig. 3. Third intrinsic normalized mode (q=3) of a symmetric polymer optical waveguide for the wedge angle a=0.03  rad. The dashed graph represents the normalized intrinsic field at a thickness of W=4  μm, and the solid line represents the field at a thickness of W=0.9, which is lower than the cut-off thickness.

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    Power distribution in the three regions of a symmetric tapered waveguide for the mode q=3 and a wedge angle a=1° for (a) the waveguide AlAsGa/AsGa/AlAsGa and (b) the waveguide SiO2/Si/SiO2.

    Fig. 4. Power distribution in the three regions of a symmetric tapered waveguide for the mode q=3 and a wedge angle a=1° for (a) the waveguide AlAsGa/AsGa/AlAsGa and (b) the waveguide SiO2/Si/SiO2.

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    Power distribution in the three regions of a symmetric tapered waveguide for the mode q=3 and a wedge angle a=5° for (a) the waveguide AlAsGa/AsGa/AlAsGa and (b) the waveguide SiO2/Si/SiO2.

    Fig. 5. Power distribution in the three regions of a symmetric tapered waveguide for the mode q=3 and a wedge angle a=5° for (a) the waveguide AlAsGa/AsGa/AlAsGa and (b) the waveguide SiO2/Si/SiO2.

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    Mansour Bacha, Abderrahmane Belghoraf, "Numerical evaluation of radiation and optical coupling occurring in optical coupler," Chin. Opt. Lett. 15, 021301 (2017)

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    Paper Information

    Category: Integrated Optics

    Received: Aug. 26, 2016

    Accepted: Nov. 18, 2016

    Published Online: Jul. 26, 2018

    The Author Email: Mansour Bacha (bachamans@gmail.com)

    DOI:10.3788/COL201715.021301

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology