Apodized Slanted Grating Couplers for LiDAR Applications
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arXiv
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| Autores principales: | , , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| Acceso en línea: | |
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| _version_ | 1866917568616333312 |
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| author | Voskerchyan, Vahram Francis Tian Soares, Francisco M. Outerelo, David Alvarez Diaz-Otero, Francisco J. |
| author_facet | Voskerchyan, Vahram Francis Tian Soares, Francisco M. Outerelo, David Alvarez Diaz-Otero, Francisco J. |
| contents | Solid state LiDAR systems traditionally rely on costly active components for efficient beam scanning. In this study, we propose a cost-effective, purely passive steering approach using apodized slanted grating couplers. Through apodization, we achieve a uniform upward emission profile and enhanced upward transmission. Theoretical calculations indicate successful steering of 91.5$^\circ$x42.8$^\circ$. Experimental results closely match theoretical predictions, validating the capabilities of our passive steering concept. Additionally, the grating couplers, with a length of 3mm, enable a farfield FWHM of 0.026$^\circ$, further enhancing sensing resolution. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_08515 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Apodized Slanted Grating Couplers for LiDAR Applications Voskerchyan, Vahram Francis Tian Soares, Francisco M. Outerelo, David Alvarez Diaz-Otero, Francisco J. Optics Applied Physics Solid state LiDAR systems traditionally rely on costly active components for efficient beam scanning. In this study, we propose a cost-effective, purely passive steering approach using apodized slanted grating couplers. Through apodization, we achieve a uniform upward emission profile and enhanced upward transmission. Theoretical calculations indicate successful steering of 91.5$^\circ$x42.8$^\circ$. Experimental results closely match theoretical predictions, validating the capabilities of our passive steering concept. Additionally, the grating couplers, with a length of 3mm, enable a farfield FWHM of 0.026$^\circ$, further enhancing sensing resolution. |
| title | Apodized Slanted Grating Couplers for LiDAR Applications |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2401.08515 |