@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,
}

@article{CTT100612576,
  author = {S. Suzuki and K. Urayama and M. Asada},
  title = {Coherent Power Combination in Multi-Element Sub-Terahertz Resonant Tunneling Diode Oscillators Coupled with Metal-Insulator-Metal Stub Structure},
  journal = {Applied Phys. Express},
  year = 2008,
}