National Natural Science Foundation of China under Grant No.61535013。
Spectral beam combining is an effective way to achieve high-brightness direct diode laser output.We present an experimental study on spectral beam combining with external cavity based on transmission grating.Using a s...
Supported by the National Natural Science Foundation of China under Grant Nos 61274046,61474111 and 61321063;the National High-Technology Research and Development Program of China under Grant No 2013AA014202
We report the simulation and experimental results of 1.3-μm InGaAsP/InP multiple quantum well (MQW) electro-absorption modulators (EAMs). In this work, the quantum confined Stark effect of the EAM is system- atic...
Supported by the International Cooperation Program of the Ministry of Science and Technology of China under Grant No 2010DFA02010;the National Natural Science Foundation of China under Grant No 11105100.
We develop a miniaturized chamber installed on a tandetron accelerator into which negative ions of small carbon clusters are transported.Negative clusters C-1-C-10 are obtained with beam currents of 1-104 nA at energi...
by the National Natural Science Foundation of China under Grant Nos 10802099 and 11102140;the Doctoral Fund of Ministry of Education of China(No 200804251520);the Natural Science Foundation of Shandong Province(No ZR2009AQ006);the Brain Korea Scholarship from Seoul National University。
Nanowire stiction is a crucial bottleneck for the development of M/NEMS devices.We present a model of a nano-beam stuck to the substrate in consideration of both surface elasticity and residual surface stress.The crit...
Supported by the National Natural Science Foundation of China under Grant Nos 10932011,10772181,11021262,10732090 and 10772012;the National Basic Research Program of China under Grant No 2007CB814803.
The quasistatic nanoindentation process of a spherical indenter in a single crystal copper is investigated with the molecular statistical thermodynamics(MST)method based on the embedded atom method(EAM)potential.The i...
Supported in part by the National High-Tech Research and Development Program of China under Grant Nos 2007AA03Z417, 2006AA01Z256 and 2007AA03Z419, the National Basic Research Program of China under Grant Nos 2006CB604901 and 2006CB604902, and the National Natural Science Foundation of China under Grant Nos 90401025, 60736036, 60706009 and 60777021. We would like to thank Fan Zhou, Jiaoqing Pan, Huiyun Shu and Baojun Wang for their help in the experiment, and Lufeng Wang, Jing Bian, Xin An for their support on the device test.
A new compact three-port InP based PD/EAM (photo-detector/electro-absorption modulator) integrated photonic switch is reported. The device demonstrates bi-directional wavelength conversion over 20nm at 2.5 Gbit/s wi...
Supported by the National Natural Science Foundation of China under Grant Nos 90401025 and 60577033, and the Ministry of Education of China under Grant No NCET-04-0116.
A novel scheme for pulse generation with a self-cascaded electroabsorption modulator is presented and experimentally demonstrated at 10 GHz. In the case of optimal tuning of time delay in the fibre loop, the improveme...
Support by the National Natural Science Foundation of China under Grant No 60577033, and the Specialized Research Fund for the Doctoral Program of Higher Education (SRFDP) under Grant No 20050003010.
A stable 10 GHz ultrashort pulse generator consisted of an electroabsorption modulator (EAM) and a welldesigned fibre-based pulse compressor is proposed and demonstrated experimentally. The obtained short pulse has ...