Gain saturation characteristics of Raman amplification in silica and fluoride glass optical fibers
DOI: 10.1016/0030-4018(93)90620-K
Title: Gain saturation characteristics of Raman amplification in silica and fluoride glass optical fibers
Journal Title: Optics Communications
Volume: 97
Publication Date: 1 March 1993
Start Page: 74
End Page: 78
Published online: online 19 August 2002
ISSN: 0030-4018
Author: Toru Mizunami, Hiroyuki Iwashita, Keiji Takagi
Affiliations:
  • Department of Electrical Engineering, Kyushu Institute of Technology, Sensuicho, Tobata, Kitakyushu, 804 Japan
  • Abstract: plification in silica and fluoride glass fibers is studied experimentally and theoretically. Two tunable dye lasers are employed to provide pump and signal light. In an 80 m long silica glass fiber, a small-signal Gain of 39 dB has been achieved at a pump wavelength of 580 nm. The Gain bandwidth is 127 cm-1 in small-signal amplification and 250 cm-1 in saturated amplification. In an 18 m long fluoride glass fiber, a small-signal Gain of 9.3 dB has been obtained. The measured Raman-Gain coefficient at 580 nm is (2±0.5) × 10-11 cm/W in the fluoride glass fiber.
    Received: 21 August 1992

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