January 2012– present,

Professor, supervisor of PhD candidates

Institute of Photonics & Photon-Technology, Northwest University

May 2011 –January 2012

Associate professor

Institute of Physics and Beijing National Laboratory for Condensed Matter, Chinese Academy of Sciences, China

January 2010 –May 2011

Research Fellow

Department of physics, Nanyang technological University, Singapore

January 2007- January 2010

Postdoctoral research

Department of Physics, OxfordUniversity, UK

June 2006- January 2007

Research Assistant

National Center for Nanoscience and Technology, Chinese Academy of Sciences, China

September, 2003 –June, 2006

Ph. D Candidate in Physics

Institute of Physics and Beijing National Laboratory for Condensed Matter, Chinese Academy of Sciences, China

Research Fields:

1. Ultrafast Physics, especially terahertz photonics and devices based on ultrafast laser.

2. Nanooptics and Plasmonics.

3. Nanomaterials and Metamaterials

Prof. Xu has taken charge or taken part inNational Natural Science Foundation of China,Program 973, 863 and Military 863, and so on. He has been award the “Young One Hundred Talents” from Shaanxi Province and “New Star of Science and Technology in Shaanxi Province”. Up to now, he has published over 40 scientific papers and filed two international invention patent.

Recent Publications：

1)Xiaojun Wu, Xuecong Pan, Baogang Quan,Xinlong Xu*, Changzhi Gu, and Li Wang, Self-referenced sensing based on terahertz metamaterial for aqueous solutions,Appl. Phys. Lett. 102, 151109, 2013

2)Jiayuan Li, Zhaoyu Ren, Yixuan Zhou, Xiaojun Wu,Xinlong Xu*, Mei Qi,, Weilong Li, Jintao Bai, Li Wang, Scalable synthesis of pyrrolic N-doped graphene by atmospheric pressure chemical vapor deposition and its terahertz response,CARBON 62, 330, 2013

3）Xinlong Xu, Bo Peng, Dehui Li, Jun Zhang, Nancy Wong, Qing Zhang, Shijie Wang, and Qihua Xiong, Flexible Visible-Infrared Metamaterials and Their Applications in Highly Sensitive Chemical and Biological Sensing,Nano Letters 11，3232，2011

4) Xin Long Xu,Yan Yuan Zhao, Edbert Jarvis Sie, Yun Hao Lu, Bo Liu, Sandy Adhitia Ekahana, Xiao Ju, Qike Jiang, Jianbo Wang, Han Dong Sun, Tze Chien Sum, Cheng Hon Alfred Huan, Yuan Ping Feng, and Qihua Xiong, Dynamics of Bound Exciton Complexes in CdS Nanobelts,ACS Nano, 5, 3660,2011

5) XL Xu, P Parkinson, K-C Chuang, MB Johnston, RJ Nicholas, LM Herz , Dynamic terahertz polarization in single-walled carbon nanotubes,Phys. Rev. B, 82, 085441, 2010

6) X Xu,K Chuang, RJ Nicholas, MB Johnston, LM Herz, Terahertz Excitonic Response of Isolated Single-Walled Carbon Nanotubes,J. Phys. Chem. C, 113,18106, 2009

Research Group:

Our group now has 2 PhD candidates and 4 Master Degree candidates. Students with physics, chemistry, and materials background are welcome to join us.