CW-pumped evanescent amplification based on side-polished fiber with heavily Er3+-doped glass overlay

  • Nan Kuang Chen*
  • , Liyan Zhang
  • , Kuei Chu Hsu
  • , Lili Hu
  • , Sien Chi
  • , Yinchieh Lai
  • , Shiao Min Tseng
  • , Jow Tsong Shy
  • *Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

5 Scopus citations

Abstract

A novel diffractive-pumping scheme is proposed to improve the evanescent amplification using blazed fiber grating for the first time. We also investigate the cw-pumped evanescent amplification at 1.55 μm wavelength with the relative optical gain pumped at 1480 nm of around 2 dB based on side-polished fiber with the effective interaction length as long as 16 mm and with a heavily Er3+-doped (NEr3+ > 1.19 × 10 21 ions/cm3), low refractive index (n1550 < 1.47) glass overlay, which has no concentration quenching (τf = 9.0 ms).

Original languageEnglish
Pages (from-to)6328-6330
Number of pages3
JournalJapanese Journal of Applied Physics
Volume45
Issue number8 A
DOIs
StatePublished - 04 08 2006
Externally publishedYes

Keywords

  • Erbium-doped glass
  • Evanescent amplification
  • Evanescent tunneling
  • Side-polished fiber

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