A new technique for measuring dispersion of optical fibers using a frequency-shifted feedback fiber laser. Part I: Measurement of group velocity dispersion

Masato Yoshida, Toshiyuki Miyamoto, Koichiro Nakamura, Hiromasa Ito

Research output: Contribution to journalArticle

Abstract

With the continually improving performance of long-distance optical communication systems, it becomes important to administer and control wavelength dispersion of the optical fiber. In this paper, a method of measurement of the group velocity dispersion (GVD) of an optical fiber using optical frequency domain reflectometry is proposed. In this scheme, frequency-chirped light is used as a light source and the total dispersion of the GVD of the optical fiber is measured from the variations of the optical frequency chirp rate after transmission through the fiber. In this method, the GVD value versus the optical wavelength can be measured directly. Another characteristic is that the effect of measurement error due to fluctuations of the fiber under test can be neglected. An experimental verification of the present scheme was performed with a frequency-shifted feedback laser, which is an ideal linear chirped light source.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalElectronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)
Volume85
Issue number2
DOIs
Publication statusPublished - 2002 Jan 12

Keywords

  • Frequency-shifted feedback laser
  • Group velocity dispersion
  • Optical fiber
  • Optical frequency domain reflectometry

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Fingerprint Dive into the research topics of 'A new technique for measuring dispersion of optical fibers using a frequency-shifted feedback fiber laser. Part I: Measurement of group velocity dispersion'. Together they form a unique fingerprint.

  • Cite this