THz and photonic seamless communications

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Terahertz (THz) wave can offer over 100-Gb/s wireless transmission by the use of wide spectrum. Due to features of high-frequency waves such as lightwaves, THz can have high directivity. To mitigate congestion of radio spectrum, advanced modulation formats will play significant roles in THz bands as well as in conventional millimeter-wave or microwave bands. This paper will provide overviews on spectral efficiency and transmission capacity of THz wave systems. Power consumption of radio links would be also an important issue to reduce OPEX of networks. Survey on power consumption of short-distance wireless systems implies that high-speed radio transmission using THz bands would provide low power consumption transmission. However, THz transmission distance will be limited in shorter than a few kilometers due to attenuation in the air. Seamless networks consisting of THz links and optical fibers would provide high-speed, low-latency, and low power consumption data transmission. Devices and signal processing functions developed for optical fiber transmission can be applied to high-speed THz communications.

Original languageEnglish
Article number8632660
Pages (from-to)1671-1679
Number of pages9
JournalJournal of Lightwave Technology
Volume37
Issue number7
DOIs
Publication statusPublished - 2019 Apr 1

Fingerprint

communication
photonics
high speed
optical fibers
radio transmission
congestion
radio spectra
directivity
data transmission
millimeter waves
format
signal processing
attenuation
modulation
microwaves
fibers
air

Keywords

  • millimeter-wave
  • modulation
  • optical fiber
  • THz
  • transmission

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

THz and photonic seamless communications. / Kawanishi, Tetsuya.

In: Journal of Lightwave Technology, Vol. 37, No. 7, 8632660, 01.04.2019, p. 1671-1679.

Research output: Contribution to journalArticle

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