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

M. Söderlund; S. Tammela; P. Pöyhönen; M. Leppihalme; N. Peyghambarian

doi:10.1109/68.903208

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

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

Optical Sciences, College of

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

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 language	English (US)
Pages (from-to)	22-24
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	13
Issue number	1
DOIs	https://doi.org/10.1109/68.903208
State	Published - Jan 1 2001

ASJC Scopus subject areas

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

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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.",

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AU - Söderlund, M.

AU - Tammela, S.

AU - Pöyhönen, P.

AU - Leppihalme, M.

AU - Peyghambarian, N.

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AB - 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.

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