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Optoelectronic oscillations for thermo-optic coefficient measurement of optical fibers

Osama Terra

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, a novel method is presented for the measurement of the thermo-optic coefficient (TOC) (dn/dT) of the single-mode fibers using optoelectronic oscillation (OEO) over fiber lengths from 100 m to 100 km. This method is applied for the measurement of the TOC precisely of 1 km of standard single-mode fibers over a temperature range from 14 °C to 35 °C. The measured TOC is found to be 1.094 × 10-5. The measurement uncertainty is estimated to be 3.4 × 10-7. Additionally, the dependence of the TOC on the wavelength of the laser used is investigated. A slight change in the TOC of 4.5 × 10-8 is observed over the wavelength range from 1500 to 1630 nm.

Original languageEnglish
Article number035205
Pages (from-to)1-5
Number of pages5
JournalMeasurement Science and Technology
Volume30
Issue number3
DOIs
Publication statusPublished - 1 Mar 2019
Externally publishedYes

Keywords

  • optical fiber
  • optoelectronic oscillator
  • thermo-optic coefficient measurement

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