TY - Front. Optoelectron. A1 - Hou-Tong CHEN T1 - Semiconductor activated terahertz metamaterials Y1 - 2015-02-13 JF - Frontiers of Optoelectronics JO - Front. Optoelectron. SP - 27 EP - 43 VL - 8 IS - 1 UR - https://journal.hep.com.cn/foe N1 - 10.1007/s12200-014-0436-0 ER -