Toward Large‐Scale Photonic Chips Using Low‐Anisotropy Thin‐Film Lithium‐Tantalate
Abstract Photonic manipulation of large‐capacity data with the advantages of high speed and low power consumption is a promising solution for explosive growth demands in the era of post‐Moore. A well‐developed lithium‐niobate‐on‐insulator (LNOI) platform has been widely explored for high‐performance...
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| Format: | Article |
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Wiley
2025-03-01
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| Series: | Advanced Science |
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| Online Access: | https://doi.org/10.1002/advs.202410345 |
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| author | Fei Huang Xiaowan Shen Siyuan Wang Haochen Xu Hongxuan Liu Zexu Wang He Gao Xinmin Yao Hengzhen Cao Bin Chen Xijie Wang Jizhi Zhang Zhile Wu Mingyu Zhu Hongzhi Xiong Weike Zhao Huan Li Zejie Yu Liu Liu Yaocheng Shi Daoxin Dai |
| author_facet | Fei Huang Xiaowan Shen Siyuan Wang Haochen Xu Hongxuan Liu Zexu Wang He Gao Xinmin Yao Hengzhen Cao Bin Chen Xijie Wang Jizhi Zhang Zhile Wu Mingyu Zhu Hongzhi Xiong Weike Zhao Huan Li Zejie Yu Liu Liu Yaocheng Shi Daoxin Dai |
| author_sort | Fei Huang |
| collection | DOAJ |
| description | Abstract Photonic manipulation of large‐capacity data with the advantages of high speed and low power consumption is a promising solution for explosive growth demands in the era of post‐Moore. A well‐developed lithium‐niobate‐on‐insulator (LNOI) platform has been widely explored for high‐performance electro‐optic (EO) modulators to bridge electrical and optical signals. However, the photonic waveguides on the x‐cut LNOI platform suffer serious polarization‐mode conversion/coupling issues because of strong birefringence, making it hard to realize large‐scale integration. Here, low‐birefringence photonic integrated circuits (PICs) based on lithium‐tantalate‐on‐insulator (LTOI) are proposed and demonstrated, which enables high‐performance passive photonic devices as well as EO modulators, showing great potential for large‐scale photonic chips. Analysis of mode conversion and evolution behaviors with both low‐ and high‐birefringence shows undesired mode hybridizations can be effectively suppressed. A simple and universal fabrication process is developed and various representative passive photonic devices are demonstrated with impressive performances. Finally, a wavelength‐division‐multiplexed optical transmitter is developed with a data rate of 1.6 Tbps by monolithically integrating 8 EO modulators and an 8‐channel arrayed waveguide grating. Therefore, the demonstrated low‐birefringence LTOI platform shows strong ability in both passively and actively controlling photon behaviors on a chip, indicating great potential for ultrafast processing and communicating large‐capacity data. |
| format | Article |
| id | doaj-art-ec90d76ec4dc45e3af7ee9a7c24b8d98 |
| institution | Matheson Library |
| issn | 2198-3844 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advanced Science |
| spelling | doaj-art-ec90d76ec4dc45e3af7ee9a7c24b8d982025-06-27T08:21:37ZengWileyAdvanced Science2198-38442025-03-01129n/an/a10.1002/advs.202410345Toward Large‐Scale Photonic Chips Using Low‐Anisotropy Thin‐Film Lithium‐TantalateFei Huang0Xiaowan Shen1Siyuan Wang2Haochen Xu3Hongxuan Liu4Zexu Wang5He Gao6Xinmin Yao7Hengzhen Cao8Bin Chen9Xijie Wang10Jizhi Zhang11Zhile Wu12Mingyu Zhu13Hongzhi Xiong14Weike Zhao15Huan Li16Zejie Yu17Liu Liu18Yaocheng Shi19Daoxin Dai20College of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaCollege of Optical Science and Engineering Zhejiang University Hangzhou 310058 ChinaAbstract Photonic manipulation of large‐capacity data with the advantages of high speed and low power consumption is a promising solution for explosive growth demands in the era of post‐Moore. A well‐developed lithium‐niobate‐on‐insulator (LNOI) platform has been widely explored for high‐performance electro‐optic (EO) modulators to bridge electrical and optical signals. However, the photonic waveguides on the x‐cut LNOI platform suffer serious polarization‐mode conversion/coupling issues because of strong birefringence, making it hard to realize large‐scale integration. Here, low‐birefringence photonic integrated circuits (PICs) based on lithium‐tantalate‐on‐insulator (LTOI) are proposed and demonstrated, which enables high‐performance passive photonic devices as well as EO modulators, showing great potential for large‐scale photonic chips. Analysis of mode conversion and evolution behaviors with both low‐ and high‐birefringence shows undesired mode hybridizations can be effectively suppressed. A simple and universal fabrication process is developed and various representative passive photonic devices are demonstrated with impressive performances. Finally, a wavelength‐division‐multiplexed optical transmitter is developed with a data rate of 1.6 Tbps by monolithically integrating 8 EO modulators and an 8‐channel arrayed waveguide grating. Therefore, the demonstrated low‐birefringence LTOI platform shows strong ability in both passively and actively controlling photon behaviors on a chip, indicating great potential for ultrafast processing and communicating large‐capacity data.https://doi.org/10.1002/advs.202410345electro‐optic modulationlithium tantalateoptical transmitterphotonics chipswavelength division multiplex |
| spellingShingle | Fei Huang Xiaowan Shen Siyuan Wang Haochen Xu Hongxuan Liu Zexu Wang He Gao Xinmin Yao Hengzhen Cao Bin Chen Xijie Wang Jizhi Zhang Zhile Wu Mingyu Zhu Hongzhi Xiong Weike Zhao Huan Li Zejie Yu Liu Liu Yaocheng Shi Daoxin Dai Toward Large‐Scale Photonic Chips Using Low‐Anisotropy Thin‐Film Lithium‐Tantalate Advanced Science electro‐optic modulation lithium tantalate optical transmitter photonics chips wavelength division multiplex |
| title | Toward Large‐Scale Photonic Chips Using Low‐Anisotropy Thin‐Film Lithium‐Tantalate |
| title_full | Toward Large‐Scale Photonic Chips Using Low‐Anisotropy Thin‐Film Lithium‐Tantalate |
| title_fullStr | Toward Large‐Scale Photonic Chips Using Low‐Anisotropy Thin‐Film Lithium‐Tantalate |
| title_full_unstemmed | Toward Large‐Scale Photonic Chips Using Low‐Anisotropy Thin‐Film Lithium‐Tantalate |
| title_short | Toward Large‐Scale Photonic Chips Using Low‐Anisotropy Thin‐Film Lithium‐Tantalate |
| title_sort | toward large scale photonic chips using low anisotropy thin film lithium tantalate |
| topic | electro‐optic modulation lithium tantalate optical transmitter photonics chips wavelength division multiplex |
| url | https://doi.org/10.1002/advs.202410345 |
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