Amplified spontaneous emission in cladding-pumped L-band erbium-doped fiber amplifiers

M. Söderlund, S. Tammela, P. Pöyhönen, M. Leppihalme, Nasser N Peyghambarian

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Propagation of amplified spontaneous emission (ASE) in cladding-pumped long-wavelength-band erbium-doped fiber amplifiers (EDFAs) is analyzed numerically. Forward and backward ASE power dependence on cladding area is analyzed for both pumping directions. ASE power propagating counter-directionally to the pump is found to experience strong dependence on the cladding area. Increasing the cladding area results in more uniform pump distribution along the EDF, preventing short-wavelength gain and ASE buildup. Quantum conversion efficiency in cladding-pumped L-band EDFAs is discussed.

Original languageEnglish (US)
Pages (from-to)22-24
Number of pages3
JournalIEEE Photonics Technology Letters
Volume13
Issue number1
DOIs
StatePublished - Jan 2001

Fingerprint

Erbium doped fiber amplifiers
Spontaneous emission
ultrahigh frequencies
erbium
spontaneous emission
amplifiers
fibers
Pumps
pumps
Wavelength
wavelengths
Conversion efficiency
counters
pumping
propagation

ASJC Scopus subject areas

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

Cite this

Amplified spontaneous emission in cladding-pumped L-band erbium-doped fiber amplifiers. / Söderlund, M.; Tammela, S.; Pöyhönen, P.; Leppihalme, M.; Peyghambarian, Nasser N.

In: IEEE Photonics Technology Letters, Vol. 13, No. 1, 01.2001, p. 22-24.

Research output: Contribution to journalArticle

Söderlund, M. ; Tammela, S. ; Pöyhönen, P. ; Leppihalme, M. ; Peyghambarian, Nasser N. / Amplified spontaneous emission in cladding-pumped L-band erbium-doped fiber amplifiers. In: IEEE Photonics Technology Letters. 2001 ; Vol. 13, No. 1. pp. 22-24.
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