4.3 THz quantum-well photodetectors with high detection sensitivity

Zhang Zhenzhen^{1, 3}, Fu Zhanglong¹, Guo Xuguang², Cao Juncheng^{1, †}

(color online) Dark I–V curves measured in (a) voltage sweep mode and (b) current sweep mode at different temperatures. The mesa size of the terahertz QWP is 800 μ m × 800 μ m .