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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 22 — Oct. 29, 2007
  • pp: 14382–14388

Preform fabrication and fiber drawing of 300 nm broadband Cr-doped fibers

Yi-Chung Huang, Jau-Sheng Wang, Yu-Kuan Lu, Wen-Kuei Liu, Kuang-Yao Huang, Sheng-Lung Huang, and Wood-Hi Cheng  »View Author Affiliations

Optics Express, Vol. 15, Issue 22, pp. 14382-14388 (2007)

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The fabrication of a Cr-doped fiber using a drawing-tower method with Cr:YAG as the core of the preform is presented. The Cr-doped YAG preform was fabricated by a rod-in-tube method. By employing a negative pressure control in drawing-tower technique on the YAG preform, the Cr-doped fibers with a better core circularity and uniformity, and good interface between core and cladding were fabricated. The amplified spontaneous emission spectrum showed a broadband emission of 1.2 to 1.6 μm with the output power density about a few nW/nm. The results indicate that this new Cr-doped fiber may be used as a broadband fiber amplifier to cover the bandwidths in the whole 1.3-1.6 μm range of low-loss and low-dispersion windows of silica fibers.

© 2007 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: August 30, 2007
Revised Manuscript: October 11, 2007
Manuscript Accepted: October 12, 2007
Published: October 16, 2007

Yi-Chung Huang, Jau-Sheng Wang, Yu-Kuan Lu, Wen-Kuei Liu, Kuang-Yao Huang, Sheng-Lung Huang, and Wood-Hi Cheng, "Preform fabrication and fiber drawing of 300 nm broadband Cr-doped fibers," Opt. Express 15, 14382-14388 (2007)

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