Add/Drop Filters Using Over Coupled Ring Resonator

Add/Drop Filters


  • Rafiq Al-Ahmadi Department of Physics, Najaf, Iraq


In this paper, the performance of add/drop filters based on over-coupled ring resonators is analysed. Over coupling improves the performance of the filters by providing a wider bandwidth over which high crosstalk suppression is achieved. Interband and intra-band crosstalk associated with Wavelength Division Multiplexing (WDM) in optical filters is examined as a function of coupling coefficients. In over coupled double-ring resonators, the crosstalk suppression bandwidth is increased in comparison with that of critically-coupled ring resonators.



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How to Cite

Al-Ahmadi, R. (2021). Add/Drop Filters Using Over Coupled Ring Resonator: Add/Drop Filters. International Journal Series in Engineering Science, 1(1), 1-8. Retrieved from