View Online Nano-Micro Conf., 2017, 1, 01008 | 1 Published by Nature Research Society http://nrs.org Terahertz filter and demultiplexer with photonic crystal waveguide HongJun Liu,* Zhaolu Wang, Nan Huang, Jing Han State Key Laboratory of Transient Optics and Photonics Technology, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Science, No.17 Xinxi Road,New Industrial Park...