International Journal of Terahertz Science and Technology
  TST >> Vol.3, No.2, June 2010: PP. 55-65

Challenges for Ultrahigh-Speed Wireless Communications Using Terahertz Waves

Tadao Nagatsuma 1*,2, Ho-Jin Song 2, and Yuichi Kado 2
1 Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
2 NTT Microsystem Integration Laboratories, NTT Corporation, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa 243-0198, Japan
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Abstract: Demand is increasing for higher data rate in wireless communications in order to keep up with the remarkable speed-up of fiber-optic networks such as Ethernet LANs. One of the most direct and easiest ways to achieve a higher data rate of 10-100 Gbit/s is to increase carrier frequencies to terahertz regions of from 100 GHz to 500 GHz. This paper will review our recent challenges for high-speed wireless communications technologies using terahertz electro-magnetic waves.

Keywords: Wireless communications, Terahertz, Photodiode, Giga-bit.

Published: 2010-6-29

Acknowledgments: The authors wish to thank A. Hirata, K. Ajito, N. Kukutsu, A. Wakatsuki. T. Furuta, T. Ishibashi, R. Takahashi, Y. Muramoto, I. Ogawa and N. Shigekawa for their valuable discussion and support, and Y. Fujimoto, K. Miyake, M. Kawamura and T. Takada for their help in the experiments. Part of this work was supported by the Ministry of Education, Science, Sports and Culture, Grant-in-Aid for Scientific Research (A), 20246062, 2008.

Cite this article:
Tadao Nagatsuma, Ho-Jin Song, and Yuichi Kado. Challenges for Ultrahigh-Speed Wireless Communications Using Terahertz Waves[J]. International Journal of Terahertz Science and Technology, 2010, Vol.3, No.2: 55-65.  DOI:10.11906/TST.055-065.2010.06.05




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