Although it has a significant advantage in gain properties,the lack of selective etching processes hinders ZnO lasing in on-chip applications.Herein,the circular ZnO microdisk pivoted on Si substrate is fabricated thr...
supported by the National Natural Science Foundation of China(Grant No.12122508);supported by State Key Laboratory of Nuclear Physics and Technology,Peking University(Grant No.NPT2023KFJ11)。
Mid-infrared microcavity lasers have important applications in biosensing,mid-infrared spectroscopy,and environmental monitoring.However,the low output power of existing mid-infrared microcavity lasers hinders their p...
supported by the National Key Research and Development Program of China(Grant No.2019YFA0705000);the National Natural Science Foundation of China(Grant Nos.12034010,12134007,11734009,92050111,12074199,92050114,and 12004197);the 111 Project(Grant No.B23045)。
Lithium niobate thin film frequency doubler has extensive applications in the preparation of classical and quantum sources.In this study,we successfully fabricated microdisk resonators with a quality factor of 2.2×10...
supported by the National Natural Science Foundation of China(Nos.12074252,12192252,and 62022058);the National Key Research and Development Program of China(No.2022YFA1205101);the Shanghai Municipal Science and Technology Major Project(No.2019SHZDZX01-ZX06);and the Yangyang Development Fund。
Whispering-gallery-mode(WGM)microresonators can greatly enhance light-matter interaction,making them indispensable units for frequency conversion in nonlinear optics.Efficient nonlinear wave mixing in microresonators ...
This work was supported by the National Key R&D Program of China(No.2021YFB3602000);the Fundamental Research Funds for the Central Universities(No.WK5290000003).
There are significant differences in the extent of impurity incorporation on different crystallographic directions of GaN microstructures,and the impurity-related deep energy level behavior will have a significant imp...
National Natural Science Foundation of China (61925506);Natural Science Foundation of Shanghai (20JC1414605);Hangzhou Science and Technology Bureau of Zhejiang Province (TD2020002);Academic/Technology Research Leader Program of Shanghai (23XD1404500)。
Optical physical unclonable functions(PUFs)have emerged as a promising strategy for effective and unbreakable anti-counterfeiting.However,the unpredictable spatial distribution and broadband spectra of most optical PU...
supported by the National Key R&D Program of China(No.2019YFB2203501);the National Natural Science Foundation of China(Nos.12134009 and 91950107);Shanghai Municipal Science and Technology Major Project(2019SHZDZX01-ZX06);SJTU(No.21X010200828)。
The compact and reliable ultraviolet[UV]source has attracted remarkable attention for its potential use in optical measurement systems,high-density optical storage,and biomedical applications.We demonstrate ultraviole...
supported by the National Key Research and Development Program of China(No.2019YFA0705000);the National Natural Science Foundation of China(Nos.12034010,92050111,12134007,11734009,92050114,12004197,and 12074199);the Higher Education Discipline Innovation Project(No.B07013).
Lithium-niobate microcavities have not only the ability to resonantly enhance light–matter interaction but also excellent nonlinear optical properties,thereby providing an important platform for nonlinear optical inv...
supported by the National Key R&D Program of China (No. 2019YFA0705000);National Natural Science Foundation of China (Nos. 12004116, 11874154, 11734009, 11933005, 11874060, and 61991444);Shanghai Municipal Science and Technology Major Project (No. HZDZX01);Fundamental Research Funds for the Central Universities, and Shanghai Sailing Program (No. 1410400)
We report an electro-optically(EO)tunable microdisk laser fabricated on the erbium(Er^(3+))-doped lithium niobate on insulator(LNOI) substrate.By applying a variable voltage on a pair of integrated chromium(Cr) microe...
National Key Research and Development Program of China(2016YFA0302500,2017YFA0303703);National Natural Science Foundation of China(NFSC)(61922040,11621091);Fundamental Research Funds for the Central Universities(021314380149)。
We demonstrate the fabrication of ultrahigh quality(Q) factor silica microdisk resonators on a silicon chip by inductively coupled plasma(ICP) etching. We achieve a dry-etched optical microresonator with an intrinsic ...