@article{CTT100612575,
  author = {K. Karashima and R. Yokoyama and M. Shiraishi and S. Suzuki and S. Aoki and M. Asada},
  title = {Measurement of Oscillation Frequency and Spectral Linewidth of Sub-Terahertz InP-Based Resonant Tunneling Diode Oscillators Using Ni–InP Schottky Barrier Diode},
  journal = {Jpn. J. Appl. Phys.},
  year = 2010,
}

@article{CTT100612572,
  author = {K. Urayama and S. Aoki and S. Suzuki and MASAHIRO ASADA and H. Sugiyama and H. Yokoyama},
  title = {Sub- Terahertz resonant Tunneling Diode Oscillators Integrated with tapered Slot Antennas for Horizontal Radiation},
  journal = {Applied Physics Express},
  year = 2009,
}