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C- and L-Band Parallel Configuration Optical Fiber Amplifier Employing Bundled Er3+-Doped Fiber
Makoto YAMADA Masaharu UNO Hirotaka ONO
IEICE TRANSACTIONS on Communications
Publication Date: 2012/10/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Fiber-Optic Transmission for Communications
optical fiber amplifier, multi-core amplifiers, multi-core fiber, bundled type Er3+-doped fiber, C- and L-band parallel type optical fiber amplifier,
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We propose a new configuration for a parallel fiber amplifier that can amplify both the C- and L-bands simultaneously by employing bundled Er3+-doped fiber (EDF). The bundled EDF is a candidate amplification medium for multi-core optical fiber amplifiers. Our parallel fiber amplifier is another application of the multi-core amplification medium. The amplifier achieves almost the same signal gain of 20 dB for both the C- and L-bands by using a bundled EDF, which is realized by bundling seven identical single-core EDFs.