Chinese Optics Letters, 2011, 9 (s1): s10207, Published Online: Jul. 7, 2011
THz modulating property of vanadium oxide films Download: 546次
Abstract
We investigate the optical response of silicon-based VxOy film for terahertz (THz) transmission. We find that absorption of the THz wave by the film can be controlled by laser excitation. Using THz time-domain spectroscopy (THz-TDS), we observe that the amplitude of the THz pulse is modulated by the external optical beam. The linearity of the optical modulation is also analyzed. Weak modulation nonlinearity is found to be within tolerable range.
Changlei Wang, Jianqiang Gu, Qirong Xing, Feng Liu, Yanfeng Li, Lu Chai, Qingyue Wang. THz modulating property of vanadium oxide films[J]. Chinese Optics Letters, 2011, 9(s1): s10207.