Design of all-solid bandgap fiber with improved confinement and bend losses

Guobin Ren, Ping Shum, Liren Zhang, Min Yan, Xia Yu, Weijun Tong, Jie Luo

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)


We propose a new design of low-contrast all-solid bandgap fiber with low confinement and bend losses within low-order bandgaps. By introducing an index depressed layer around the high index rod in fiber cladding, we theoretically predict that the confinement loss of the proposed all-solid bandgap fiber would be significantly improved. Due to the enlarged index mismatch of the guided core mode and the edge of the bandgaps, the critical bend radius of the proposed fiber is remarkably reduced.

Original languageEnglish
Pages (from-to)2560-2562
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number24
Publication statusPublished - Dec 15 2006
Externally publishedYes


  • Bend loss
  • Confinement loss
  • Photonic bandgap
  • Photonic crystal fiber

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


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