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Slotted microcavity ring resonators for optical storage applications |
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| Authors: | Nabeil A. Abujnah R. Letizia Mohamed Farhat O. Hameed Maher Abdelrazzak S. S. A. Obayya |
| Affiliation: | 1. Department of Electrical and Electronic Engineering, Faculty of Engineering, University of Azzaytuna, Tarhuna, Libya 2. Engineering Department, Lancaster University, Lancaster, LA1 4YR, UK 3. Department of Mathematics and Engineering Physics, Faculty of Engineering, Mansoura University, Mansoura, 35516, Egypt 4. Centre for Photonics and Smart Materials, Zewail City of Science and Technology, Sheikh Zayed District, 6th of October City, Giza, Egypt 5. Department of Electronics and Communications Engineering, Faculty of Engineering, Mansoura University, Mansoura, 35516, Egypt |
| Abstract: | In this paper, slotted microcavity ring resonators based optical storage devices are proposed and analyzed by means of multiresolution time domain technique. The effect of the structure geometrical parameters on the coupling efficiency, normalized transmission spectra and quality factor has been thoroughly investigated and compared to that of the conventional no-slot microring resonator. The suggested slotted configurations increase the quality factor at a fixed gap size between the central ring and input/output waveguides. In addition, the desired compromise between the coupling efficiency and resonance effect inside the ring can be achieved by mere optimization of the slot geometrical characteristics. |
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