Broadband and fabrication tolerant polarization splitter–rotator on thin-film lithium niobate
On-chip polarization splitter–rotators (PSRs) are crucial components for coherent optical communication and polarization-division multiplexing systems. Here, we propose and experimentally demonstrate a polarization splitter–rotator based on the principles of adiabatic mode evolution and the stimulat...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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AIP Publishing LLC
2025-01-01
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| Series: | APL Photonics |
| Online Access: | http://dx.doi.org/10.1063/5.0240402 |
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| _version_ | 1832542782798954496 |
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| author | Chijun Li Geng Chen Yuankang Huang Siyu Lu Zong Wang Yiqi Dai Cheng Zeng Jinsong Xia |
| author_facet | Chijun Li Geng Chen Yuankang Huang Siyu Lu Zong Wang Yiqi Dai Cheng Zeng Jinsong Xia |
| author_sort | Chijun Li |
| collection | DOAJ |
| description | On-chip polarization splitter–rotators (PSRs) are crucial components for coherent optical communication and polarization-division multiplexing systems. Here, we propose and experimentally demonstrate a polarization splitter–rotator based on the principles of adiabatic mode evolution and the stimulated Raman adiabatic passage on the thin-film lithium niobate (TFLN) platform. The experimental results indicate that the fabricated device exhibits an insertion loss of less than 0.5 dB and extinction ratios exceeding 20 dB over a 130-nm band, with the potential to extend up to 250 nm as predicted by simulations. Large fabrication tolerance is also demonstrated with extinction ratios of more than 20 dB in the wavelength range of 1500–1630 nm. The demonstrated PSR could become an indispensable component in the future TFLN photonic integrated circuits. |
| format | Article |
| id | doaj-art-685ff7590b904de79140fb8c24254753 |
| institution | Kabale University |
| issn | 2378-0967 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | AIP Publishing LLC |
| record_format | Article |
| series | APL Photonics |
| spelling | doaj-art-685ff7590b904de79140fb8c242547532025-02-03T16:36:22ZengAIP Publishing LLCAPL Photonics2378-09672025-01-01101016111016111-810.1063/5.0240402Broadband and fabrication tolerant polarization splitter–rotator on thin-film lithium niobateChijun Li0Geng Chen1Yuankang Huang2Siyu Lu3Zong Wang4Yiqi Dai5Cheng Zeng6Jinsong Xia7Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaOn-chip polarization splitter–rotators (PSRs) are crucial components for coherent optical communication and polarization-division multiplexing systems. Here, we propose and experimentally demonstrate a polarization splitter–rotator based on the principles of adiabatic mode evolution and the stimulated Raman adiabatic passage on the thin-film lithium niobate (TFLN) platform. The experimental results indicate that the fabricated device exhibits an insertion loss of less than 0.5 dB and extinction ratios exceeding 20 dB over a 130-nm band, with the potential to extend up to 250 nm as predicted by simulations. Large fabrication tolerance is also demonstrated with extinction ratios of more than 20 dB in the wavelength range of 1500–1630 nm. The demonstrated PSR could become an indispensable component in the future TFLN photonic integrated circuits.http://dx.doi.org/10.1063/5.0240402 |
| spellingShingle | Chijun Li Geng Chen Yuankang Huang Siyu Lu Zong Wang Yiqi Dai Cheng Zeng Jinsong Xia Broadband and fabrication tolerant polarization splitter–rotator on thin-film lithium niobate APL Photonics |
| title | Broadband and fabrication tolerant polarization splitter–rotator on thin-film lithium niobate |
| title_full | Broadband and fabrication tolerant polarization splitter–rotator on thin-film lithium niobate |
| title_fullStr | Broadband and fabrication tolerant polarization splitter–rotator on thin-film lithium niobate |
| title_full_unstemmed | Broadband and fabrication tolerant polarization splitter–rotator on thin-film lithium niobate |
| title_short | Broadband and fabrication tolerant polarization splitter–rotator on thin-film lithium niobate |
| title_sort | broadband and fabrication tolerant polarization splitter rotator on thin film lithium niobate |
| url | http://dx.doi.org/10.1063/5.0240402 |
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