Ultra-Short Pulse Biphoton Source in Lithium Niobate Nanophotonics at 2$\textμ$m
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866914830378598400 |
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| author | Williams, James Nehra, Rajveer Sendonaris, Elina Ledezma, Luis Gray, Robert M. Sekine, Ryoto Marandi, Alireza |
| author_facet | Williams, James Nehra, Rajveer Sendonaris, Elina Ledezma, Luis Gray, Robert M. Sekine, Ryoto Marandi, Alireza |
| contents | Photonics offers unique capabilities for quantum information processing (QIP) such as room-temperature operation, the scalability of nanophotonics, and access to ultrabroad bandwidths and consequently ultrafast operation. Ultrashort-pulse sources of quantum states in nanophotonics are an important building block for achieving scalable ultrafast QIP, however, their demonstrations so far have been sparse. Here, we demonstrate a femtosecond biphoton source in dispersion-engineered periodically poled lithium niobate nanophotonics. We measure 17 THz of bandwidth for the source centered at 2.09 \textmu m, corresponding to a few optical cycles, with a brightness of 8.8 GHz/mW. Our results open new paths towards realization of ultrafast nanophotonic QIP. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_05163 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Ultra-Short Pulse Biphoton Source in Lithium Niobate Nanophotonics at 2$\textμ$m Williams, James Nehra, Rajveer Sendonaris, Elina Ledezma, Luis Gray, Robert M. Sekine, Ryoto Marandi, Alireza Optics Quantum Physics Photonics offers unique capabilities for quantum information processing (QIP) such as room-temperature operation, the scalability of nanophotonics, and access to ultrabroad bandwidths and consequently ultrafast operation. Ultrashort-pulse sources of quantum states in nanophotonics are an important building block for achieving scalable ultrafast QIP, however, their demonstrations so far have been sparse. Here, we demonstrate a femtosecond biphoton source in dispersion-engineered periodically poled lithium niobate nanophotonics. We measure 17 THz of bandwidth for the source centered at 2.09 \textmu m, corresponding to a few optical cycles, with a brightness of 8.8 GHz/mW. Our results open new paths towards realization of ultrafast nanophotonic QIP. |
| title | Ultra-Short Pulse Biphoton Source in Lithium Niobate Nanophotonics at 2$\textμ$m |
| topic | Optics Quantum Physics |
| url | https://arxiv.org/abs/2402.05163 |