supported by the Science Fund from the Ministry of Science and Technology of China(Grant No.2013CBA01600);the National Key Research&Development Project of China(Grant No.2016YFA0202300);the National Natural Science Foundation of China(Grant Nos.61474141,61674170,61335006,61390501,51325204,and 51210003);the Chinese Academy of Sciences(CAS) and Youth Innovation Promotion Association of CAS(Grant No.20150005)
We report the direct measurements of conductivity and mobility in millimeter-sized single-crystalline graphene on SiO2/Si via van der Pauw geometry by using a home-designed four-probe scanning tunneling microscope(4P...
Project supported by the National Basic Research Program of China(Grant No.2014CB339900);the National Natural Science Foundation of China(Grant Nos.61376039,61334003,61574104,and 61474088)
In this paper,ground-signal-ground type through-silicon vias(TSVs) exploiting air gaps as insulation layers are designed,analyzed and simulated for applications in millimeter wave.The compact wideband equivalent-cir...
supported by the National Key Technology Research and Development Program of the Ministry of Science and Technology of China (Grant No. 2012BAD05B06)
Soil shear strength is an important indicator of engineering design and an essential parameter of soil precision tillage and agricultural machinery and equipment design. Although numerous studies have investigated the...
This paper presents an introduction to the researches in microwave photonics based packages and its application, a 973 project (No. 2012CB315600), which focuses on addressing new requirements for millimeter wave (...
Supported by the National Natural Science Foundation of China under Grant No 11374041, the National Basic Research Program of China under Grant No 2010CB923202, and the Fund of State Key Laboratory of Information Photonics and Optical Communications of Bei]ing University of Posts and Telecommunications.
A hybrid plasmonic waveguide, consisting of two dielectric nanowires symmetrically put at the opposite corner angles of a rhombic metM, is proposed and numerically analyzed by the finite-element method. Simulations sh...
by the National 973 Program under Grant No.2012CB315705;the NSFC under Grant No.61372038,the National 863 Program under Grant No.2011AA010306;and the Fund of the State Key Laboratory of Information Photonics and Optical Communications(Beijing University of Posts and Telecommunications),China。
The designs of magneto-electric(ME)dipole antennas and 4×4 planar arrays on low-temperature cofired ceramic(LTCC)substrates are presented for radio-over-fiber(ROF)systems.The ME dipole antenna covers the four 2.16 GH...
Project supported by the Major Program of the National Natural Science Foundation of China (Grant No. 60890191) and the National Key Basic Research Program of China (Grant No. 2010CB327503).
In this study, the physics-based device simulation tool Silvaco ATLAS is used to characterize the electrical properties of an AlGaN/GaN high electron mobility transistor (HEMT) with a U-type gate foot. The U-gate Al...
Supported by Major Program of the National Natural Science Foundation of China under Grant No 60890191;the National Basic Research Program of China under Grant No 2010CB327503.
Gate-recessed AlGaN/GaN metal-oxide-semiconductor high electron mobility transistors (MOSHEMTs) on sapphire substrates are fabricated.The devices with a gate length of 160nm and a gate periphery of 2 × 75μmexhibit t...
Project supported by the Meteorology Industry Research Project of China(Nos.GYHY200806033,GYHY201006045);the National Natural Science Foundation of China(Nos.61021003,61090391,60837001,60820106004);the National Basic Research Program of China (No.2009AA03Z409);the Open Fund of Key Laboratory of Information Photonics and Optical Communications(Beijing University of Posts and Telecommunications),Ministry of Education
A new technique to generate a millimeter(mm)-wave carrier of 32.57 GHz(f_(LO)=10.85 GHz) with single sideband modulation(SSB) for radio-over-fiber(RoF) systems is experimentally demonstrated by using stimula...
by the National High Technology Research and Development Program of China under Grant Nos 2006AA03Z213 and 2009AA03Z208;the National Basic Research Program of China under Grant No 2006CB601006.
We investigate the self-emissions from serial high-temperature superconductor bicrystal Josephson junction arrays embedded in a quasi-optical resonator.A bicrystal substrate is used as a dielectric resonator antenna,w...