1. Kürner, T. THz communications – An option for wireless networks beyond 5G?. In European Conference on Networks and Communications (EuCNC) 2018. [Online].Available:https://www.eucnc.eu/2018/www.eucnc.eu/keynotes/index.html#1493814414886-8b2a7517-a544
2. Ulaby, F. T. (1973). Absorption in the 220 GHz atmospheric window. IEEE Transactions on Antennas and Propagation, 21, 266–269.
3. Sugiyama, H., Matsuzaki, H., Yokoyama, H., & Enoki, T. (2010). High-electron-mobility In0.53Ga0.47As/In0.8Ga0.2As composite-channel modulation-doped structures grown by metal-organic vapor-phase epitaxy. In International conference on Indium Phosphide and Related Materials (IPRM).
4. Takahashi, T., Sato, M., Nakasha, Y., Hirose, T., & Hara, N. (2010). Improvement in noise figure of wide-gate-head InP-based HEMTs with cavity structure. In International conference on Indium Phosphide and Related Materials (IPRM).
5. Kosugi, T., Hamada, H., Takahashi, H., Song, H.-J., Hirata, A., Matsuzaki, H., & Nosaka, H. (2014). 250–300 GHz waveguide module with ridge-coupler and InP-HEMT IC. In IEEE Asia-Pacific Microwave Conference (APMC).