Second Harmonic Generation with 48% Conversion Efficiency from Cavity Polygon Modes in a Monocrystalline Lithium Niobate Microdisk Resonator
2025
发表期刊LASER AND PHOTONICS REVIEWS (IF:9.8[JCR-2023],11.1[5-Year])
ISSN1863-8880
EISSN1863-8899
DOI10.1002/lpor.202401857
摘要Thin-film lithium niobate (TFLN) based optical microresonators offer large nonlinear coefficient d33 and high light-field confinement, allowing highly efficient second-order optical nonlinear frequency conversion. Here, ultra-efficiency SHG from high-Q polygon modes is achieved by maximizing the utilization of the highest nonlinear coefficient d33 in a monocrystalline X-cut TFLN microdisk resonator for the first time. The polygon modes are designed and formed with two parallel sides perpendicular to the optical axis of the lithium niobate crystal by introducing weak perturbations into the microdisk through a tapered fiber, which maximizes the utilization of d33. The polygon modes exhibit ultrahigh intrinsic Q factors up to 3.86 × 107, due to the fact that polygon modes are located far from the relatively rough sidewall of the microdisk. Moreover, the pump and second harmonic polygon modes share high modal overlap factor of ≈80%. Consequently, SHG from cavity polygon modes with absolute conversion efficiency as high as 48.08% is realized at an on-chip pump level of only 4.60 mW without fine domain structures, surpassing the best results (23% and 30%) reported in other two domain-inversion-free phase matching schemes and even approaching the record (52%) in periodically poled TFLN microresonators. © 2025 Wiley-VCH GmbH.
关键词Microcavities Microlenses Microresonators Optical depth Optical frequency conversion Optical resonators D 33 Harmonics generation Lithium niobate Microdisk resonators Monocrystalline Nonlinear coefficient Optical microcavities Phase match Second harmonics Thin-films lithium niobate optical microcavity phase match second harmonic generation
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收录类别EI ; PPRN.PPRN
语种英语
资助项目National Natural Science Foundation of China["62122079","12192251","62235019","62475269","12104159","62205303","12474378"] ; Innovation Program for Quantum Science and Technology[2021ZD0301403] ; Science and Technology Commission of Shanghai Municipality[23ZR1481800] ; null[2019YFA0705000] ; null[2022YFA1205100]
WOS研究方向Optics ; Physics
WOS类目Optics ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:001395938600001
出版者John Wiley and Sons Inc
EI入藏号20250317713400
EI主题词Q factor measurement
EI分类号714 Electronic Components and Tubes ; 741.1 Light/Optics ; 741.1.1 Nonlinear Optics ; 741.3 Optical Devices and Systems ; 744.4 Solid State Lasers ; 941.3 Optical Instruments
原始文献类型Article in Press
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/483880
专题物质科学与技术学院
物质科学与技术学院_特聘教授组_程亚组
物质科学与技术学院_硕士生
通讯作者Lin, Jintian; Gao, Renhong; Cheng, Ya
作者单位
1.The Extreme Optoelectromechanics Laboratory (XXL), School of Physics and Electronic Science, East China Normal University, Shanghai; 200241, China;
2.State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai; 200062, China;
3.Nanophotonics Research Center, Institute of Microscale Optoelectronics & State Key Laboratory of Radio Frequency Heterogeneous Integration, Shenzhen University, Shenzhen; 518060, China;
4.State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-Intense Laser Science, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai; 201800, China;
5.Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing; 100049, China;
6.School of Physical Sciences, University of Science and Technology of China, Hefei; 230026, China;
7.School of Physical Science and Technology, ShanghaiTech University, Shanghai; 200031, China;
8.Shanghai Research Center for Quantum Sciences, Shanghai; 201315, China;
9.Hefei National Laboratory, Hefei; 230088, China;
10.Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan; 030006, China;
11.Collaborative Innovation Center of Light Manipulations and Applications, Shandong Normal University, Jinan; 250358, China
通讯作者单位物质科学与技术学院
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GB/T 7714
Sun, Chao,Ni, Jielei,Li, Chuntao,et al. Second Harmonic Generation with 48% Conversion Efficiency from Cavity Polygon Modes in a Monocrystalline Lithium Niobate Microdisk Resonator[J]. LASER AND PHOTONICS REVIEWS,2025.
APA Sun, Chao.,Ni, Jielei.,Li, Chuntao.,Lin, Jintian.,Gao, Renhong.,...&Cheng, Ya.(2025).Second Harmonic Generation with 48% Conversion Efficiency from Cavity Polygon Modes in a Monocrystalline Lithium Niobate Microdisk Resonator.LASER AND PHOTONICS REVIEWS.
MLA Sun, Chao,et al."Second Harmonic Generation with 48% Conversion Efficiency from Cavity Polygon Modes in a Monocrystalline Lithium Niobate Microdisk Resonator".LASER AND PHOTONICS REVIEWS (2025).
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