Suppression of cladding-mode coupling loss in fiber Bragg gratings by independent control of refractive index and photosensitive profiles in a single-mode optical fiber

J. M. Kim, Kyunghwan Oh, T. S. Park, C. S. Kim, K. Jeong

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A new method to suppress the cladding-mode coupling loss in fiber Bragg gratings, by independent control of the core refractive index profile and the photosensitive profile, is proposed and experimentally demonstrated. Across the core and the inner cladding, a uniform step photosensitive profile was introduced by co-doping GeO2 and B2O3. The core refractive index was selectively raised by further doping Al2O3 in the core that has negligible photosensitivity 244 nm. For strong Bragg gratings inscribed on the fiber, the cladding-mode coupling loss was suppressed below 0.3 dB.

Original languageEnglish
Pages (from-to)1504-1506
Number of pages3
JournalUnknown Journal
Volume12
Issue number11
DOIs
Publication statusPublished - 2000 Jan 1

Fingerprint

Fiber Bragg gratings
Single mode fibers
coupled modes
Bragg gratings
Optical fibers
Refractive index
optical fibers
retarding
refractivity
fibers
profiles
Doping (additives)
Photosensitivity
photosensitivity
Fibers
Fiber

All Science Journal Classification (ASJC) codes

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

Cite this

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Suppression of cladding-mode coupling loss in fiber Bragg gratings by independent control of refractive index and photosensitive profiles in a single-mode optical fiber. / Kim, J. M.; Oh, Kyunghwan; Park, T. S.; Kim, C. S.; Jeong, K.

In: Unknown Journal, Vol. 12, No. 11, 01.01.2000, p. 1504-1506.

Research output: Contribution to journalArticle

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