DESIGN AND INVESTIGATION OF THREE-DIMENSIONAL POLARIZATION-INDEPENDENT POLYMER MACH-ZEHNDER INTERFEROMETERS AT 1550 NM

Noor  Afsary; Md Omar Faruk  Rasel; Takaaki  Ishigure

doi:10.53808/KUS.2022.ICSTEM4IR.0203-se

Authors

Noor Afsary Physics Discipline, Khulna University, Khulna-9208, Bangladesh
Md Omar Faruk Rasel Physics Discipline, Khulna University, Khulna-9208, Bangladesh
Takaaki Ishigure Faculty of Science and Technology, Keio University, Yokohama, 223-8522, Japan

DOI:

https://doi.org/10.53808/KUS.2022.ICSTEM4IR.0203-se

Keywords:

Mach-Zehnder interferometer, Step-index profile, Beam propagation method, Polarization dependency, Numerical aperture, Polymer waveguide.

Abstract

We propose a Mach-Zehnder interferometer (MZI) which consists of a taper, a bending waveguide, and two symmetrical arms. The structure is realized with organic-inorganic hybrid polymer materials and analyzed by a commercially available RSoft CAD BeamPROP solver. We set the core width for input and output of the Mach-Zehnder interferometer at 6 µm for single-mode propagation. This interferometer shows an excess loss of 0.162 dB and has an efficiency of almost 96.4%. We also investigate the polarization dependency of this interferometer varying the beam incident angles from 0-30 degrees and this investigation suggests that this MZI shows polarization dependency when the light incident on the launched side of this MZI at for transverse electric (TE) and transverse magnetic (TM) modes.

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