Inband-pumped, broadband bleaching of absorption and refractive index changes in erbium-doped fiber

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• 作者：R.N. Liu ; I.A. Kostko ; R. Kashyap ; K. Wu and P. Kiiveri
• 关键词：Erbium-doped fiber ; External cavity lasers ; Optical hole-burning ; Saturable absorption
• 刊名：Optics Communications
• 出版年：2005
• 期刊代码：50_00304018
• 类别：ph
• 出版时间：2005
• 卷：255
• 期：1-3
• 页码：65-71
• 文件大小：186 K

摘要

Broad-band absorption bleaching in erbium-doped fiber by in-band narrow-linewidth pumping is reported. For the first time, spectra of absorption bleaching of erbium-doped fiber is measured and the refractive index changes inferred through the Kramers–Krönig relations in this true two-level system in order to understand its operation in the external cavity of a laser.