Articles written in Pramana – Journal of Physics

    • Analytical solutions of coupled-mode equations for microring resonators

      ZHAO C Y

      More Details Abstract Fulltext PDF

      We present a study on analytical solutions of coupled-mode equations for microring resonators with an emphasis on occurrence of all-optical EIT phenomenon, obtained by using a cofactor. As concrete examples, analytical solutions for a $3 \times 3$ linearly distributed coupler and a circularly distributed coupler are obtained. The former corresponds to a non-degenerate eigenvalue problem and the latter corresponds to a degenerate eigenvalue problem. For comparison and without loss of generality, analytical solution for a $4 \times 4$ linearly distributed coupler is also obtained. This paper may be of interest to optical physics and integrated photonics communities.

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