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| Autores principales: | , , , , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2601.10882 |
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| _version_ | 1866915734231187456 |
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| author | da Silva, Enzo Dantas Castro, Giovanna M. R. Batista, Murilo L. Marques, Flavio A. M. Cotta, Alexandre A. C. Tsuchida, Jefferson E. Ugucioni, Julio C. Marques, Leomar S. Chafer, Matthieu Debord, Benoît Gérôme, Frédéric Benabid, Fetah Osório, Jonas H. |
| author_facet | da Silva, Enzo Dantas Castro, Giovanna M. R. Batista, Murilo L. Marques, Flavio A. M. Cotta, Alexandre A. C. Tsuchida, Jefferson E. Ugucioni, Julio C. Marques, Leomar S. Chafer, Matthieu Debord, Benoît Gérôme, Frédéric Benabid, Fetah Osório, Jonas H. |
| contents | Hollow-core photonic crystal fibers (HCPCF) have experienced tremendous advancements recently, leading to remarkable demonstrations of transmission loss reduction and deeper understanding of their guidance fundamentals. Indeed, this progress has entailed investigations into various HCPCF designs, allowing for attaining diverse properties of interest such as ultralow loss, polarization filtering, and specific modal operation. Among HCPCFs with tailored modal characteristics are fibers displaying microstructures with modified symmetry, which allow for changing the loss hierarchy between the guided modes, hence favoring the propagation of higher-order modes. In this context, we here demonstrate the realization of an angle sensor utilizing a tubular HCPCF with a two-fold symmetric cladding. This specific fiber design enables the generation of an output intensity profile resulting from the superposition of LP01 and LP11-like modes, whose excitation and resulting output intensity spatial distribution are dependent on the polarization angle of the incident light. Thus, by rotating the input beam's polarization and analyzing the evolution of the resulting output profile, we characterized a rotation angle sensor exhibiting a sensitivity of 25 counts/degree and an estimated resolution of 0.3°. We understand that this work broadens the framework of HCPCF applications, demonstrating that symmetry-modified hollow-core fibers can act as a promising platform for advanced sensing scenarios and polarimetric characterizations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_10882 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Rotation angle sensing via polarization-dependent mode superposition in a hollow-core fiber with two-fold symmetry da Silva, Enzo Dantas Castro, Giovanna M. R. Batista, Murilo L. Marques, Flavio A. M. Cotta, Alexandre A. C. Tsuchida, Jefferson E. Ugucioni, Julio C. Marques, Leomar S. Chafer, Matthieu Debord, Benoît Gérôme, Frédéric Benabid, Fetah Osório, Jonas H. Optics Hollow-core photonic crystal fibers (HCPCF) have experienced tremendous advancements recently, leading to remarkable demonstrations of transmission loss reduction and deeper understanding of their guidance fundamentals. Indeed, this progress has entailed investigations into various HCPCF designs, allowing for attaining diverse properties of interest such as ultralow loss, polarization filtering, and specific modal operation. Among HCPCFs with tailored modal characteristics are fibers displaying microstructures with modified symmetry, which allow for changing the loss hierarchy between the guided modes, hence favoring the propagation of higher-order modes. In this context, we here demonstrate the realization of an angle sensor utilizing a tubular HCPCF with a two-fold symmetric cladding. This specific fiber design enables the generation of an output intensity profile resulting from the superposition of LP01 and LP11-like modes, whose excitation and resulting output intensity spatial distribution are dependent on the polarization angle of the incident light. Thus, by rotating the input beam's polarization and analyzing the evolution of the resulting output profile, we characterized a rotation angle sensor exhibiting a sensitivity of 25 counts/degree and an estimated resolution of 0.3°. We understand that this work broadens the framework of HCPCF applications, demonstrating that symmetry-modified hollow-core fibers can act as a promising platform for advanced sensing scenarios and polarimetric characterizations. |
| title | Rotation angle sensing via polarization-dependent mode superposition in a hollow-core fiber with two-fold symmetry |
| topic | Optics |
| url | https://arxiv.org/abs/2601.10882 |