supported by the National Natural Science Foundation of China(No.61727815)and the National Key Research and Development Program of China(No.2022YFB2803200).
In recent years,thin-film lithium niobate(TFLN)electro-optic(EO)modulators have developed rapidly and are the core solution for the next generation of microwave photonics(MWP)problems.We designed and fabricated a dual...
supported by the National Natural Science Foundation of China(Nos.12074252,12192252,62005159,62022058,61705127,and 12104289);the National Key Research and Development Program of China(No.2018YFA0306301);the Shanghai Municipal Science and Technology Major Project(No.2019SHZDZX01-ZX06);the Shanghai Rising-Star Program(No.20QA1405400);the Yangyang Development Fund.
Optical frequency conversion based on the second-order nonlinearity(χ^((2))) only occurs in anisotropic media(or at interfaces) and thus is intrinsically polarization-dependent. But for practical applications, polari...
supported by the National Key R&D Program of China(Nos.2019YFA0705000 and 2017YFA0303700);the Key R&D Program of Guangdong Province(No.2018B030329001);the Leading-edge Technology Program of Jiangsu Natural Science Foundation(No.BK20192001);the National Natural Science Foundation of China(Nos.51890861,11690031,11621091,and 11674169);the Guangdong Major Project of Basic and Applied Basic Research,Zhangjiang Laboratory(No.ZJSP21A001);the China Postdoctoral Science Foundation(No.2022M710068);the Jiangsu Planned Projects for Postdoctoral Research Funds(No.2021K259B)。
The microring resonator based on lithium niobate on insulator(LNOI)is a promising platform for broadband nonlinearity process because of its strong second-order nonlinear coefficients,the capability of dispersion engi...
This work was supported by the National Key Research and Development Program of China(Nos.2017YFE0131300 and 2019YFB1803901);National Natural Science Foundation of China(Nos.U1732268,61874128,61851406,12074400,11705262,and 11905282);Frontier Science Key Program of Chinese Academy of Sciences(No.QYZDY-SSW-JSC032);Shanghai Key Basic Research Program(No.20JC1416200);Program of Shanghai Academic Research Leader(Nos.9XD1404600 and 19XD1404600);Shanghai Rising-Star Program(No.19QA1410600);Shanghai Sailing Program(No.18YF1428100);Shanghai Municipal Science and Technology Major Project(No.2017SHZDZX03);Strategic Priority Research Program of Chinese Academy of Sci-ences(Nos.XDB24020400 and XDB0000000);Science and Technology Comission of Shanghai Municipality(No.16ZR1442600).
The 4H-silicon carbide on insulator(4H-SiC0l)has recently emerged as an attractive material platform for integrated photonics due to its excellent quantum and nonlinear optical properties.Here,we experimentally realiz...
supported in part by the National Key R&D Program of China(Nos.2019YFB1803900 and 2019YFA0705000);the National Natural Science Foundation of China(Nos.11690031,11761131001,and 11904061);the Key R&D Program of Guangdong Province(No.2018B030329001);the Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program(No.2017BT01X121);the Project of Key Laboratory of Radar Imaging and Microwave Photonics,Ministry of Education(No.RIMP2019003);the Innovation Fund of WNLO(No.2018WNLOKF010),the Guangzhou Science and Technology Program(No.201707010096);the Guangxi Youth and Middle Aged Ability Promotion Project(No.2019KY0126);the BaGui Scholar Programof Guangxi Province(No.02304002022C);the China Postdoctoral Science Foundation(No.2020M673554XB).
We propose and demonstrate a polarization diversity two-dimensional grating coupler based on the lithium niobate on insulator platform, for the first time, to the best of our knowledge. The optimization design, perfor...
supported by the National Key R&D Program of China(Nos.2019YFA0705000 and 2017YFA0303700);the National Natural Science Foundation of China(Nos.91950206,11627810,and 51890861);the Leading-edge Technology Program of Jiangsu Natural Science Foundation(No.BK20192001);the Key R&D Program of Guangdong Province(No.2018B030329001);the Fundamental Research Funds for the Central Universities(No.021314380177)。
Periodically poled lithium niobate on insulator(LNOI) ridge waveguides are desirable for high-efficiency nonlinear frequency conversions, and the fabrication process of such waveguides is crucial for device performanc...
supported by the National Key Research and Development Program of China(No.2019YFA0705000);the National Natural Science Foundation of China(Nos.12034010,11734009,92050111,92050114,12074199,12004197,and 11774182);the Higher Education Discipline Innovation Project(No.B07013);the Program for Changjiang Scholars and Innovative Research Team in University(PCSIRT)(No.IRT_13R29)。
Lithium niobate on insulator(LNOI), as an emerging and promising optical integration platform, faces shortages of on-chip active devices including lasers and amplifiers. Here, we report the fabrication of on-chip erbi...
supported by the National Key R&D Program of China(No.2019YFA0705000);Key R&D Program of Guangdong Province(No.2018B030329001);Leading-edge Technology Program of Jiangsu Natural Science Foundation(No.BK20192001);National Natural Science Foundation of China(Nos.51890861,11690031,11674169,91950206,and 11974178);Fundamental Research Funds for the Central Universities(No.021314380177)。
We study the effect of dimension variation for second-harmonic generation(SHG) in lithium niobate on insulator(LNOI)waveguides. Non-trivial SHG profiles in both type-0 and type-I quasi-phase matching are observed duri...
supported by the National Natural Science Foundation of China (Nos. 11874266 and 11604208);the Shanghai Science and Technology Committee (Nos. 16ZR1445600 and 16ZR1445500);the ChenGuang Program (No. 17CG49)。
Floquet topological insulators(FTIs) have been used to study the topological features of a dynamic quantum system within the band structure. However, it is difficult to directly observe the dynamic modulation of band ...
supported by the Opening Foundation of State Key Laboratory of High Performance Computing(Nos.201601-01,201601-02,and 201601-03);the Scientific Researches Foundation of National University of Defense Technology(No.zk16-03-59);the Open Research Fund of State Key Laboratory of Pulsed Power Laser Technology(No.SKL2017KF06);the Director Fund of State Key Laboratory of Pulsed Power Laser Technology(No.SKL2018ZR05);the Funds for International Cooperation and Exchange of National Natural Science Foundation of China(Nos.61120106 and 60921062);the National Natural Science Foundation of China(Nos.11802339 and 11805276)
Broadband transient reflectivity traces were measured for Bi_2 Se_3 thin films with various substrates via a 400 nm pump–white-light-probe setup. We have verified the existence of a second Dirac surface state in Bi_2...