Confinement Specific Design of SOI Rib Waveguides with Submicron Dimensions and Single Mode Operation
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866929610519740416 |
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| author | Shaikh, Abdurrahman Javid Abro, Abdul Ghani Baig, Mirza Muhammad Ali Siddiqui, Muhammad Adeel Ahmad Abbas, Syed Mohsin |
| author_facet | Shaikh, Abdurrahman Javid Abro, Abdul Ghani Baig, Mirza Muhammad Ali Siddiqui, Muhammad Adeel Ahmad Abbas, Syed Mohsin |
| contents | Full-vectorial finite difference method with perfectly matched layers boundaries is used to identify the single mode operation region of submicron rib waveguides fabricated using sili-con-on-insulator material system. Achieving high mode power confinement factors is emphasized while maintaining the single mode operation. As opposed to the case of large cross-section rib waveguides, theoretical single mode conditions have been demonstrated to hold for sub-micron waveguides with accuracy approaching 100%. Both, the deeply and the shallowly etched rib waveguides have been considered and the single mode condition for entire sub-micrometer range is presented while adhering to design specific mode confinement requirements. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_01236 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Confinement Specific Design of SOI Rib Waveguides with Submicron Dimensions and Single Mode Operation Shaikh, Abdurrahman Javid Abro, Abdul Ghani Baig, Mirza Muhammad Ali Siddiqui, Muhammad Adeel Ahmad Abbas, Syed Mohsin Optics Systems and Control Signal Processing Applied Physics Computational Physics Full-vectorial finite difference method with perfectly matched layers boundaries is used to identify the single mode operation region of submicron rib waveguides fabricated using sili-con-on-insulator material system. Achieving high mode power confinement factors is emphasized while maintaining the single mode operation. As opposed to the case of large cross-section rib waveguides, theoretical single mode conditions have been demonstrated to hold for sub-micron waveguides with accuracy approaching 100%. Both, the deeply and the shallowly etched rib waveguides have been considered and the single mode condition for entire sub-micrometer range is presented while adhering to design specific mode confinement requirements. |
| title | Confinement Specific Design of SOI Rib Waveguides with Submicron Dimensions and Single Mode Operation |
| topic | Optics Systems and Control Signal Processing Applied Physics Computational Physics |
| url | https://arxiv.org/abs/2412.01236 |