Amplification properties of erbium-doped solid-core photonic bandgap fibers

Changzhi Li, Yidong Huang, Wei Zhang, Yi Ni, Jiangde Peng

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


A novel erbium-doped photonic bandgap fiber (PBGF) with honeycomb cladding and down-doped solid-core is proposed in this letter. This fiber is more practicable than reported erbium-doped air-core PBGF due to its Gaussian-like field distribution and low confinement loss. Theoretical analysis shows that it can largely improve pump efficiency (gain-to-pump-power ratio) for small pump power and reduce the optimum fiber length by 20%-50% for a wide range of pump powers, compared with erbium-doped step-index fiber.

Original languageEnglish
Pages (from-to)324-326
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number2
StatePublished - Feb 2005


  • Erbium-doped fiber (EDF)
  • Optical amplification
  • Photonic bandgap (PBG)
  • Photonic crystal fiber (PCF)


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