09/05-10/12         Southeast University                      Nanjing                               

Dept. of Electronics Engineering， Physical Electronics             Ph.D obtained 

Thesis: An Investigation on Coupling and Testing Technology for Planar Lightwave Circuit Chips

09/01-03/04         Southeast University                      Nanjing                               

Dept. of Electronics Engineering， Physical Electronics             MS obtained

Thesis: Fiber-optic test and measurement on planar lightwave circuit components

09/90-07/94         Tianjin University                        Tianjin

Dept. of Precision Instrument， Optoelectronics Technology         BS obtained

09/84-07/90         Henan Experimental Middle School          Zhengzhou

Junior and Senior Middle School                                Study

08/16-07/17  Photonics Research Group (PRG), INTEC, Ghent University/IMEC  Belgium

06/04-now    Dept. of Electronics Engineering, Southeast University        Nanjing

08/94~08/01  Jiangsu Jinling Science & Technology Group                    Nanjing

Bachelor Course：Principles of Communications, Microwave photonics

Master Course：Integrated Optics、Photonic Integrated Circuits

Major R&D Projects

(1)National Key R&D Program of China (2020YFA0709700), Novel principles and key techniques for μ-Channel implemented in ultra-high heat flux environment. 2020/12-2025/11, 18.72 million RMB

(2)National Key R&D Program of China (2019YFB2205300), Terabit/s optoelectronics devices and integration techniques in optical transmission. 2020/1-2022/12, 13.41 million RMB

(3)Open Project Program of the State Key Laboratory of Mathematical Engineering and Advanced omputing (2020A05), AI chip design and optimization for silicon-based optical neural network. 2020/11-2022/10, 0.1 million RMB 

Publications

Journal Articles

(1)    Liu, X.; Zhu, X.; Wang, C.; Cao, Y.; Wang, B.; Ou, H.; Wu, Y.; Mei, Q.; Zhang, J.; Cong, Z.; Liu, R. Silicon-Based Metastructure Optical Scattering Multiply–Accumulate Computation Chip. Nanomaterials 2022, 12(13), 2136.  https://doi.org/10.3390/nano12132136  (Q1, IF:5.719)

(2)    Liu, X., Zhang, Z., Dong, J. Sun, X. Integrated thermal dissipation micro structures for CDFP optical module. SpringerOpt Quant Electron, 2020, 52(2), 129-1~129-10.

(3)    Xu Liu and Xiaohan Sun. Distortionless segmentation image fusion and coordinate system transformation for 3D scene reconstruction on fibre-to-chip coupling. IET Electronics Letters, 2015, 51(24): 1990-1992.

(4)    Xu Liu, Hongmei Hu and Xiaohan Sun. Single lens photometric machine vision with 3D imaging for fiber-to-chip coupling. AIP Review of Scientific Instruments, 2012, 83(3): 035105.

(5)    Xu Liu and Xiaohan Sun. Quasi-axial GRIN lens implemented in wedge-shaped fiber coupling with InP-based PLC. IEEE Transactions on Components, Packaging and Manufacturing Technology, 2012, 2(9):1420-1425. 

(6)    Liu Xu, Chen Lin, Sun Xiao-Han. Equivalent rectangle approximation-staircase concatenation method for wedge shaped fiber. Acta Phys. Sin., 2008, 57(10): 6430-6436.

(7)   Jinbiao Xiao, Xu Liu, and Xiaohan Sun. Design of polarization-independent optical couplers composed of three parallel slot waveguides. Applied Optics, 2008, 47(14):2687-2695.

(8)   Xiao Jinbiao, Liu Xu, Sun Xiaohan. Design of a compact polarization splitter in horizontal multiple-slotted waveguide structures. Japanese Journal of Applied Physics, 2008, 47(5): 3748-3754.                           (9)   Jinbiao Xiao, Xu Liu, and Xiaohan Sun. Design of an ultracompact MMI wavelength demultiplexer in slot waveguide structures. Optics Express, 2007, 15(13):8300-8308.                        

(10) Xiao Jin-Biao, Liu Xu, Cai Chun, and Sun Xiao-Han. Semi-vectorial analysis of a compact wavelength demultiplexer based on the tapered multimode interference coupler. Chinese Physics, 2007, 16(7):2015-2022.  

(11) XIAO Jinbiao, LIU Xu, CAI Chun, FAN Hehong, SUN Xiaohan. An improved three-dimensional full-vectorial finite-difference imagi-nary-distance beam propagation method.  Science in China, Series F-Information Sciences, 2006, 49(4):516-532.        

(12) CAI Chun, LIU Xu, XIAO Jin-Biao, DING Dong , ZHANG Ming-De, SUN Xiao-Han, XU Xiao-Le, CHEN Tang-Sheng, LI Fu-Xiao. Experimental and numerical simulation on four-port GaAIAs/GaAs planar waveguide filters with ring resonator. J. Infrared Millim. Waves, 2005, 24(1):65-70.   

Conference Proceedings

(13)Xu Liu, Jiaxu Dong, Zhekai Zhang, Xiaohan Sun. An Integrated Thermal Dissipation Micro Structure for 400Gbit/s Optical Module, IEEE International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD’19), MP-03, 2019.7.

(14)Xu Liu, Zhekai Zhang, Xiaohan Sun. One-step waveguide endface dicing approach for Silica-on-Silicon PIC chip, OSA/APS Frontiers in Optics (FiO’18), JTu3A.80, 2018.9.

(15)Xu Liu, Hongmei Hu, Weifeng Jiang and Xiaohan Sun. Object-oriented modified photometric stereo algorithm for 3D imaging in fiber-to-chip coupling. The 9th International Conference on Group IV Photonics (GFP’12), ThP6, 2012.  

(16)Xu Liu, Lin Chen, Xiaohan Sun. An equivalent rectangle approximation based staircase concatenation method for wedge shaped fiber. Tech. Dig. Opt. Fiber Commun. Conf. (OFC’08), JThA6, 2008.

(17)Xu Liu, Shuting Qu, Jinbiao Xiao and Xiaohan Sun. High efficient coupling between wedged-shaped fiber and planar lightwave circuit chip using gradient refractive-index media. Proceedings of SPIE, Vol.6389, 638910, 2006.

(18)Xu Liu and Xiaohan Sun. A semi-cylindrical axial gradient refractive-index lens in wedge-shaped fiber coupling with InP-based PLC. Frontiers in Optics (FiO’08), OSA 92nd Annual Meeting and APS/DLS 24th Annual Meeting, JWA63, 2008. 

(19)Xu Liu, Jinbiao Xiao, Xiaohan Sun. Experimental investigation on special shaped fibers coupling with InP-based planar lightwave circuit chips. NISTSymp. Opt. Fiber Meas., 41-44, 2006. 

(20)Liu, Xu. One method to uniformize LD Gaussian beam. Proceedings of SPIE, Vol.4602, 142-148, 2001.   

Patents granted

1.    Liu Xu, Zhang Zhe-Kai, Dong Jia-Xu, Sun Xiao-Han. A thermal management microstructure for electronic device. China national invention patent, ZL201910171105.6

2.    Liu Xu, Yan Hong-Hao, Sun Xiao-Han, Jiang Wei-Feng, Xu Ai-Min, Zhu Chong-Bei. Grinding method of indium phosphide-based plane light wave light path waveguide chip and clamp applied to same. China national invention patent, ZL201310340737.3

3.    Liu Xu, Hu Hong-Mei, Sun Xiao-Han. Object surface three-dimensional image reconstruction method on basis of weak saturated two-dimensional images.China national invention patent, ZL201110449321.6

4.    Sun Xiao-Han, Liu Xu, Jiang Wei-Feng. Single-lens multi-angle high-magnification photonic chip coupling and packaging device. China national invention patent, ZL200910233743.2

5.    Sun Xiao-Han, Liu Xu, Xiao Jin-Biao, Cai Chun. Optical path double-in multi-out splitter of plane lightwave with redundant channel. China national invention patent, ZL200710019299.5

6.     Liu Xu, Sun Xiao-Han. Mould pressing plastic extrusion lensing photo-conduction tube. China national utility model patent,ZL201020000086.5

7.    Liu Xu, Sun Xiao-Han. Metal die for producing extrusion molding lens light guide pipe. China national utility model patent, ZL201020004298.0

Awards and Memberships

1.Jiangsu Overseas research &Traning Program for University Prominent Young & Middle-aged Teachers and Presidents, Jiangsu Provincial Department of Education, Apr. 2105.

2.Jiangsu Province Science and Technology Award One, ranking  #4, Dec. 2013.

3.OSA Foundation Grant Recipient Award (Certificate & USD1035 granted), OSA 92nd Annual Meeting-Frontiers in Optics and APS/DLS-Laser Science XXIV, Oct. 2008.