T. Ohira

Waveguide‐input resonant tunnelling diode mixer for THz communications

T. Nagatsuma, M. Fujita, J. Kim, 2020 .

Wavelength Tuning Characteristics of Idler Waves in Terahertz-Wave Parametric Oscillator Using Optical Double Resonance

Hiroshi Kumagai, Tatsuya Ohira, Yuma Takida, 2012 .

Noncascading THz-wave parametric oscillator synchronously pumped by mode-locked picosecond Ti:sapphire laser in doubly-resonant external cavity

H. Kumagai, Y. Takida, S. Nashima, 2011 .

Low-threshold, quasi-cw terahertz parametric amplification in an external ring cavity with an MgO:LiNbO3 Crystal

Hiroshi Kumagai, Shingo Maeda, Tatsuya Ohira, 2011, LASE.