supported by the National Natural Science Foundation of China (Nos. 12274248, 62275136, 61905124,and 61905125);the Natural Science Foundation of Zhejiang Province (No. LY22F050009);the Australian Research Council;the K.C.Wong Magna Fund of Ningbo University。
Three-dimensional(3D) nonlinear photonic crystals have received intensive interest as an ideal platform to study nonlinear wave interactions and explore their applications. Periodic fork-shaped gratings are extremely ...
supported financially by the National Key R&D Program of China(Nos.2019YFA0705000,2017YFA0303800,2017YFA0303700,2019YFA0308700,and 2020YFA0309500);the National Natural Science Foundation of China(Nos.12074197,12074196,11774183,and 11922406)。
Reliable generation of single photons is of key importance for fundamental physical experiments and quantum protocols.The periodically poled lithium niobate[LN]waveguide has shown promise for an integrated quantum sou...
supported by the National Natural Science Foundation of China(Nos.92065101 and 11934013);the Space Debris Research Project of China(No.KJSP2020020202)。
Frequency conversion based on three-wave mixing is a critical nonlinear optic application,extending the frequency range of existing lasers and realizing frequency-transduced detectors in a wavelength range that lacks ...
supported by the Chinese Academy of Sciences Pioneer Hundred Talents Program(Grant No.E1Z1D101);the Research Project of Aerospace Information Research Institute,Chinese Academy of Sciences(Grant No.E2Z2D101)
We report a compact,efficient optical parametric oscillator(OPO)based on a periodically poled potassium titanyl phosphate(PPKTP)crystal pumped by a 532 nm laser,which generated 1.51 W of average power at the signal wa...
supported by the National Key Research and Development Project of China (No. 2019YFA0705000);the National Natural Science Foundation of China (Nos. 91950106, 11404196, 11525418, 91750201, and 11974218);the Innovation Group of Jinan (2018GXRC010);the Local Science and Technology Development Project of the Central Government (No. YDZX20203700001766)
In this paper, we report a passively mode-locked Nd∶Y3Sc2Al3O12(Nd:YSAG) laser using a periodically poled Li Nb O3(PPLN)superlattice. Nonlinear mirror mode locking based on PPLN intracavity frequency doubling was the...
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 Natural Science Foundation of China(Nos.61905124,11974196,and 61905125);the Australian Research Council(No.DP19010774);the Qatar National Research Fund(No.NPRP 12S-0205190047);the Yongjiang Scholar Foundation of Ningbo;the K.C.Wong Magna Fund of Ningbo University。
The nonlinear Talbot effect is a near-field nonlinear diffraction phenomenon in which the self-imaging of periodic objects is formed by the second harmonics of the incident laser beam. We demonstrate the first, to the...
supported by the National Key R&D Program of China (Nos. 2019YFA0705000 and2017YFA0303700);the National Natural Science of China(Nos. 11674171,91950206,11627810,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)。
We report efficient generation of 671 nm red light based on quasi-phase-matched second harmonic generation of 1342 nm in LiNbO3 waveguides. The design method and fabrication process of the high-quality annealed proton...
supported by the National Key R&D Program of China(Grant Nos. 2017YFA0303703 and 2016YFA0302500);the National Natural Science Foundation of China (Grant Nos. 91950206,11874213 and11674171);the Fundamental Research Funds for the Central Universities (Grant Nos. 14380105 and 1480605201)。
A periodically-poled LiNbO3(PPLN) crystal features space-dependent second-order nonlinear coefficients, which is one of the most important materials to effectively control nonlinear optical interactions through quasi-...
supported by the International Science and Technology Cooperation Program of China (ISTCP) (No.2014DFT50230);the National Key Scientific Instrument and Equipment Development Project (No.2011YQ030127)
We demonstrate a tunable optical parametric oscillator in a periodically poled congruently grown lithium tantalite whispering gallery mode resonator. The resonator is mechanically polished to millimeter size, and the ...