Measurements of spectral broadening and Doppler shift of backreflections from a fiber fuse using □ heterodyne detection

Kazi S. Abedin, Tetsuya Miyazaki, Masataka Nakazawa

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

We report broadening in spectrum as light is backrefiected from a propagating fiber fuse. The formation of micrometer-size voids results in periodic changes in Fresnel reflection occurring in the leading part of the fuse. High-resolution measurement of the optical spectrum via heterodyne detection revealed an upshift (Doppler shift) in the optical frequency and discrete frequency components that are characteristic of amplitude modulation due to periodic void formation.

Original languageEnglish
Pages (from-to)3157-3159
Number of pages3
JournalOptics Letters
Volume34
Issue number20
DOIs
Publication statusPublished - 2009 Oct 15

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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