41-nm 3-dB gain-band optical amplifier using an Er-doped core and Sm-doped inner-cladding fiber without external filters

Seungtaek Kim, Uh Chan Ryu, Kyunghwan Oh

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A new fiber structure optical fiber amplifier was reported where the core was doped with erbium (Er) and the inner-cladding was doped with samarium (Sm). Feasibility of gain control by evanescent wave interaction with an absorbing material in the inner-cladding was experimentally demonstrated. The optical amplifier using the proposed fiber resulted in the gain variation between gain peak and valley less than 2.5 dB without using external gain equalizing filters.

Original languageEnglish
Pages (from-to)986-988
Number of pages3
JournalIEEE Photonics Technology Letters
Volume12
Issue number8
DOIs
Publication statusPublished - 2000 Aug 1

Fingerprint

Erbium
Samarium
Light amplifiers
samarium
light amplifiers
erbium
filters
Fiber amplifiers
fibers
Fibers
Gain control
evanescent waves
wave interaction
valleys
amplifiers
optical fibers

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Physics and Astronomy (miscellaneous)
  • Atomic and Molecular Physics, and Optics

Cite this

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41-nm 3-dB gain-band optical amplifier using an Er-doped core and Sm-doped inner-cladding fiber without external filters. / Kim, Seungtaek; Ryu, Uh Chan; Oh, Kyunghwan.

In: IEEE Photonics Technology Letters, Vol. 12, No. 8, 01.08.2000, p. 986-988.

Research output: Contribution to journalArticle

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