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Proceedings Paper

Power-scalable long-wavelength Yb-doped photonic bandgap fiber sources
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Paper Abstract

Ytterbium-doped photonic-bandgap fiber sources operating at the long-wavelength edge of the ytterbium gain band are being investigated for high power amplification. Artificial shaping of the gain spectrum by the characteristic distributed filtering effect of the photonic bandgap enables power scaling free of amplified spontaneous emission. As high as 167 W power and 16 dB saturated gain at 1178 nm have been demonstrated. Single-pass frequency doubling to 14.5W 589nm light was also demonstrated with 34% conversion efficiency.

Paper Details

Date Published: 17 February 2010
PDF: 12 pages
Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 758013 (17 February 2010); doi: 10.1117/12.845938
Show Author Affiliations
Christina B. Olausson, The Univ. of Electro-Communications (Japan)
NKT Photonics A/S (Denmark)
Technical Univ. of Denmark (Denmark)
Akira Shirakawa, The Univ. of Electro-Communications (Japan)
Hiroki Maruyama, The Univ. of Electro-Communications (Japan)
Ken-ichi Ueda, The Univ. of Electro-Communications (Japan)
Jens K. Lyngsø, NKT Photonics A/S (Denmark)
Technical Univ. of Denmark (Denmark)
Jes Broeng, NKT Photonics A/S (Denmark)


Published in SPIE Proceedings Vol. 7580:
Fiber Lasers VII: Technology, Systems, and Applications
Kanishka Tankala, Editor(s)

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