Optically Driven Terahertz Wave Modulator Using Ring-Shaped Microstripline With GaInAs Photoconductive Mesa Structure

S. Yamasaki, A. Yasui, T. Amemiya, K. Furusawa, S. Hara, I. Watanabe, A. Kanno, N. Sekine, Z. Gu, N. Nishiyama, A. Kasamatsu, S. Arai, IEEE Journal of Selected Topics in Quantum Electronics, Vol. 23, No. 4, 3400408.