Interferometric sorting of temporal Hermite-Gauss modes via temporal Gouy phase
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arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| _version_ | 1866908481500479488 |
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| author | Horoshko, Dmitri B. Kolobov, Mikhail I. |
| author_facet | Horoshko, Dmitri B. Kolobov, Mikhail I. |
| contents | We propose a device consisting of $m$ Mach-Zehnder interferometers and realizing sorting of first $2^m$ temporal Hermite-Gauss modes of light passing though it by adjusting the accumulated temporal Gouy phase acquired by every mode. This mode-order-dependent phase shift is achieved by a fractional Fourier transform realized by a time lens in one of interferometer's arms. We consider application of such a sorter with just two interferometers to sorting the Schmidt modes of a photon pair generated in spontaneous parametric downconversion and find the theoretical lower bond on the cross-talk probability of 5.5%. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2310_11918 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Interferometric sorting of temporal Hermite-Gauss modes via temporal Gouy phase Horoshko, Dmitri B. Kolobov, Mikhail I. Quantum Physics Optics We propose a device consisting of $m$ Mach-Zehnder interferometers and realizing sorting of first $2^m$ temporal Hermite-Gauss modes of light passing though it by adjusting the accumulated temporal Gouy phase acquired by every mode. This mode-order-dependent phase shift is achieved by a fractional Fourier transform realized by a time lens in one of interferometer's arms. We consider application of such a sorter with just two interferometers to sorting the Schmidt modes of a photon pair generated in spontaneous parametric downconversion and find the theoretical lower bond on the cross-talk probability of 5.5%. |
| title | Interferometric sorting of temporal Hermite-Gauss modes via temporal Gouy phase |
| topic | Quantum Physics Optics |
| url | https://arxiv.org/abs/2310.11918 |