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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 3, Iss. 6 — Jun. 1, 2013
  • pp: 723–728

Compact broadband amplified spontaneous emission in Tm3+-doped tungsten tellurite glass double-cladding single-mode fiber

Pei-Wen Kuan, Kefeng Li, Guang Zhang, Xin Wang, Lei Zhang, Gongxun Bai, Yuenhong Tsang, and Lili Hu  »View Author Affiliations

Optical Materials Express, Vol. 3, Issue 6, pp. 723-728 (2013)

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We reported the ~2 μm amplified spontaneous emission (ASE) performance of highly Tm3+-doped (3.76 × 1020 ions/cm3) tungsten tellurite single-mode fibers. The double-cladding fiber was pumped by a commercial 792 nm laser diode without any reflectors. Broadband ASE spectra with the bandwidth (FWHM) varying from ~45 nm to ~140 nm were achieved in a fiber length of 34 cm. The maximum output power was ~34 mW, with a slope efficiency of 4.8%. The ASE beam quality factor (M2) was 1.8. The dependence of output power, ASE mean wavelength, and bandwidth on the launched pump power and fiber length were discussed in detail.

© 2013 OSA

OCIS Codes
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.6630) Lasers and laser optics : Superradiance, superfluorescence
(160.3380) Materials : Laser materials

ToC Category:
Laser Materials

Original Manuscript: December 19, 2012
Revised Manuscript: March 20, 2013
Manuscript Accepted: March 29, 2013
Published: May 3, 2013

Pei-Wen Kuan, Kefeng Li, Guang Zhang, Xin Wang, Lei Zhang, Gongxun Bai, Yuenhong Tsang, and Lili Hu, "Compact broadband amplified spontaneous emission in Tm3+-doped tungsten tellurite glass double-cladding single-mode fiber," Opt. Mater. Express 3, 723-728 (2013)

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