@article{CTT100735214,
  author = {K. Okada and K. Kasagi and N. Oshima and S. Suzuki and M. Asada},
  title = {Resonant-Tunneling-Diode Terahertz Oscillator Using Patch Antenna Integrated on Slot Resonator for Power Radiation},
  journal = {IEEE Trans. THz Sci. Technol.},
  year = 2015,
}

@article{CTT100735211,
  author = {Y. Ikeda and S. Kitagawa and K. Okada and S. Suzuki and M. Asada},
  title = {Direct intensity modulation of resonant-tunneling-diode terahertz oscillator up to ~30 GHz},
  journal = {IEICE Electron. Express},
  year = 2015,
}