Perovskite materials have emerged as promising candidates for various optoelectronic applications owing to their remarkable optoelectronic properties and easy solution processing.Metal halide perovskites,as direct-ban...
supported by the National Natural Science Foundation of China(Nos.62005031 and 62005032);National Foreign Experts Program(No.DL2023165003L);Innovation Support Plan for Returned Overseas Scholars(No.cx2021058)to Xiaoqin WU and Yipei WANG,and the Richard A.Auhll Endowed Professorship to Xudong FAN.
Due to the stimulated emission amplification,lasers with excellent characteristics,including the high energy density,ultra-narrow spectral linewidth,and high directionality,are extremely favorable for sensing,detectio...
supported by the National Key Research and Development Program of China(Nos.2021YFC2201800 and 2020YFC2200300);the National Natural Science Foundation of China(Nos.11327407,11654004,and 11235004);the Strategic Priority Research Program of the Chinese Academy of Sciences(Nos.XDB21010300 and XDB23030202)。
Ultrastable continuous-wave lasers are one of the important elements for space-based gravitational wave detection.Here we present a Pound–Drever–Hall laser frequency-locked system based on a field-programmable gate ...
supported by the National Key Research and Development Program of China(Grant No.2022YFE0118700);the National Natural Science Foundation of China(Grant No.62375101);the Fundamental Research Funds for the Central Universities(Grant No.YCJJ20230216).
Spectroscopy,especially for plasma spectroscopy,provides a powerful platform for biological and material analysis with its elemental and molecular fingerprinting capability.Artificial intelligence(AI)has the tremendou...
supported by the National Key Research and Development Program of China(Nos.2022YFA1404800 and 2019YFA0705000);the National Natural Science Foundation of China(Nos.12274267,12192254,92250304)。
A mode-switchable femtosecond vortex laser is innovatively developed in a Yb:KGW-based resonator.The unique structure is designed to achieve a transition between different transverse modes.In a normal cavity,416 fs TE...
This research is partially funded by the Natural Science Foundation of China Project under Grant Nos.61925104 and 62031011;the Key Re⁃search and Development Program of Jiangsu Province under Grant No.BE2021008-5.
With the advancement of photonic integration technology,ultra-low linewidth frequency-stabilized lasers have demonstrated significant potential in precision measurement,quantum communication,atomic clocks,etc.This rev...
A new device applies a single-colour electronic injection to create the brightest multi-colour phonon laser,with ten times more power and much narrower linewidth than others.
National Natural Science Foundation of China(62075213);National Key Research and Development Program of China(2021YFA1400604)。
Research on parity-time(PT)symmetry and exceptional points in non-Hermitian laser systems has been extensively conducted.However,in practical electrically injected PT-symmetric lasers,the frequency detuning and linewi...
We present a high-power, high-stability all-polarization-maintaining(all-PM) fiber femtosecond pulse laser source at 780 nm with full engineering integration that comprises an all-PM fiber amplified chirped pulse lase...
Submicron scale temperature sensors are crucial for a range of applications,particularly in micro and na-noscale environments.One promising solution involves the use of active whispering gallery mode(WGM)microresonato...