Integrated optical wave analyzer using the discrete fractional Fourier transform
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866912056194629632 |
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| author | Urzúa, Alejandro R. Ramos-Prieto, Irán Moya-Cessa, Héctor M. |
| author_facet | Urzúa, Alejandro R. Ramos-Prieto, Irán Moya-Cessa, Héctor M. |
| contents | Within the expansive domain of optical sciences, achieving the precise characterization of light beams stands as a fundamental pursuit, pivotal for various applications, including telecommunications and imaging technologies. This study introduces an innovative methodology aimed at reconstructing the Wigner distribution function of optical signals; a crucial tool in comprehending the time-frequency behavior exhibited by these signals. The proposed approach integrates two robust mathematical tools: the discrete realization of fractional Fourier transform, and the propagator of the quantum harmonic oscillator in waveguide arrays. This integration offers a direct and efficient method for characterizing optical signals by reconstructing their Wigner distribution function in the scope of integrated optics. We provide evidence of how having knowledge of the signal propagation amid the phase-space reconstruction, has desirable advantages in respect to only knowing the signal state. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_15641 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Integrated optical wave analyzer using the discrete fractional Fourier transform Urzúa, Alejandro R. Ramos-Prieto, Irán Moya-Cessa, Héctor M. Optics Computational Physics Within the expansive domain of optical sciences, achieving the precise characterization of light beams stands as a fundamental pursuit, pivotal for various applications, including telecommunications and imaging technologies. This study introduces an innovative methodology aimed at reconstructing the Wigner distribution function of optical signals; a crucial tool in comprehending the time-frequency behavior exhibited by these signals. The proposed approach integrates two robust mathematical tools: the discrete realization of fractional Fourier transform, and the propagator of the quantum harmonic oscillator in waveguide arrays. This integration offers a direct and efficient method for characterizing optical signals by reconstructing their Wigner distribution function in the scope of integrated optics. We provide evidence of how having knowledge of the signal propagation amid the phase-space reconstruction, has desirable advantages in respect to only knowing the signal state. |
| title | Integrated optical wave analyzer using the discrete fractional Fourier transform |
| topic | Optics Computational Physics |
| url | https://arxiv.org/abs/2406.15641 |