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Germania-glass-core silica-glass-cladding modified chemical-vapor deposition optical fibers: Optical losses, photorefractivity, and Raman amplification

  • V. M. Mashinsky*
  • , V. B. Neustruev
  • , V. V. Dvoyrin
  • , S. A. Vasiliev
  • , O. I. Medvedkov
  • , I. A. Bufetov
  • , A. V. Shubin
  • , E. M. Dianov
  • , A. N. Guryanov
  • , V. F. Khopin
  • , M. Yu Salgansky
  • *Corresponding author for this work
  • Fiber Optics Research Center of Russian Academy of Sciences
  • Russian Academy of Sciences

Research output: Contribution to journal › Article › peer-review

Abstract

Germania-glass-core silica-glass-cladding single-mode fibers (Δn as great as 0.143) with a minimum loss of 20 dB/km at 1.85 μm were fabricated by modified chemical-vapor deposition. The fibers exhibit strong photorefractivity, with type Ha index modulation of 2 X 10-3. A Raman gain of 300 dB/(kmW) was determined at 1.12 μm. Only 3 m of such fibers is sufficient for constructing the 10-W Raman laser at 1.12 μm with a 13-W pump at 1.07 μm.

Original languageEnglish
Pages (from-to)2596-2598
Number of pages3
JournalOptics Letters
Volume29
Issue number22
DOIs
Publication statusPublished - 15 Nov 2004

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