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An improved design of an integrated optical isolator based on non-reciprocalMach–Zehnder interferometry

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Abstract

Non-reciprocal rib waveguide structures can be used to realize integrated optical isolators. In this paper, we propose a concrete design for a Mach–Zehnder interferometer type isolator for TM modes. Just one of the arms, which are of equal length, is a non-reciprocal magneto-optic waveguide. The rest of the interferometer is reciprocal. Required fabrication tolerances are estimated, and the entire isolator is simulated by applying a finite difference beam propagation method.

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Authors and Affiliations

  1. University of Osnabrück, 49069, Osnabrück, Germany

    N. Bahlmann, M. Lohmeyer, M. Wallenhorst, H. Dötsch & P. Hertel

Authors
  1. N. Bahlmann
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  2. M. Lohmeyer
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  3. M. Wallenhorst
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  4. H. Dötsch
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  5. P. Hertel
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Bahlmann, N., Lohmeyer, M., Wallenhorst, M. et al. An improved design of an integrated optical isolator based on non-reciprocalMach–Zehnder interferometry. Optical and Quantum Electronics 30, 323–334 (1998). https://doi.org/10.1023/A:1006958820957

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  • DOI: https://doi.org/10.1023/A:1006958820957

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