supported by the National Natural Science Foundation of China(Grant Nos.62205282 and 12074331);the Hebei Natural Science Foundation(Grant No.A2022203035);the Science and Technology Project of Hebei Education Department(Grant No.BJK2023009)。
Polarization control and modulation of optical signals play a crucial role in optical information transmission,with widespread applications in optical communication,sensing,and signal processing.Here,we propose an int...
Terahertz(THz)circular dichroism(TCD)spectroscopy is extensively used to examine the chiral properties of biological macromolecules and other materials.The rapid advancements in strong-field THz generation and fieldmo...
the National Natural Science Foundation of China(Grant Nos.12174031,91950108,and 11774035)。
Chiral metasurfaces have been proven to possess great potential in chiroptical applications.However,the multiband chiral metasurface with near-perfect circular dichroism has not been well studied.Also,the widely used ...
Supported by the National Natural Science Foundation of China under Grant No 61461052;the Specialized Research Fund for the Doctoral Program of Higher Education under Grant No 20135301110003;the Seventh of Yunnan University Graduate Student Scientific Research Project under Grant No ynuy201443;the Doctoral Award for the Academic Newcomers(2014)of Yunnan Province under Grant No C6155501
Electromagnetic field generators based on circular ring resonators,whose perimeters are integer times of equivalent wavelength,are well known to have attractive potential for producing radio vortexes carrying orbital ...
Supported by the National Basic Research Program of China under Grant Nos 2015CB921300;the National Key Research and Development Program of China under Grant Nos 2016YFA0300300,2017YFA0504703 and 2017YFA0302900;the National Natural Science Foundation of China under Grant Nos 11604372,11474323 and 11774391;the Strategic Priority Research Program(B)of the Chinese Academy of Sciences under Grant No XDB07020000;the Scientific Instrument Developing Project of the Chinese Academy of Sciences under Grant No ZDKYYQ20170002
Weyl semimetal (WSM) is expected to be an ideal spintronic material owing to its spin currents carried by the bulk and surface states with spin-momentum locking. The generation of a sizable photocurrent is predicted...
Supported by the National Natural Science Foundation of China under Grant No 11475201;the Innovation and Technology Fund of Institute of High Energy Physics
We present the first phase R&D for the 800 kW cw, 650MHz klystron for the future circular electron-positron collider (CEPC) project in China. The CEPC requires 192 klystrons and it is desired to be designed in the Ins...
the National Natural Science Foundation of China under Grant No 60907004;the K.C.Wong Education Foundation of Hong Kong;the Scientific Research Funds for Excellent Doctoral Dissertation of CAS;the President Fund of UCAS,and the Fusion Foundation of Research and Education,CAS。
Generalized ptychography is established with diverse probes,which not only extend the core spirit of ptychography that is the overlapping of neighboring probes,but also enhance the imaging quality.We find that in one ...
the National Natural Science Foundation of China under Grant Nos 10774093 and 10374061.
We study magneto-transport through a weakly open circular microstructure in the perpendicular weak magnetic fields by a semiclassical approximation within the framework of the Fraunhofer diffraction effect at the lead...
Supported by the National Basic Research Program of China under Grant No 2010CB630706;the National High-Technology Research and Development Program of China;the National Natural Science Foundation of China,and the Knowledge Innovation Program of Chinese Academy of Sciences.
We report on a polarization-adjustable picosecond deep-ultraviolet (DUV) laser at 177.3 nm.The DUV laser was produced by second harmonic generation from a mode-locked laser at 355 nm in nonlinear optical crystal KBBF....
Supported by the National Basic Research Program of China under Grant No 2006CB921705;the National Natural Science Foundation of China under Grant Nos 10634080,60677046 and 60838003;the National High Technology Research and Development Program of China under Grant Nos 2007AA03Z410 and 2007AA03Z408.
We combine Cartesian coordinates and polar coordinates wave number eigenvalue equations based on the planewave expansion(PWE)method to calculate and optimize the band structures of the two-dimensional(2D)metal photoni...