2-μm fiber amplified spontaneous emission (ASE) source

Details 2-μm fiber amplified spontaneous emission (ASE) source 2-μm fiber amplified spontaneous emission (ASE) source

2007-11-20

2007-11-20

Hughes, Deandra M (Department: 3663)

Optical: systems and elements

Optical amplifier

Optical fiber

C372S006000

Reexamination Certificate

active

11517164

ABSTRACT:
A 2-μm fiber Amplified Spontaneous Emission (ASE) source provides a wide emission bandwidth and improved spectral stability/purity for a given output power. The fiber ASE source is formed from a heavy metal oxide multicomponent glass selected from germanate, tellurite and bismuth oxides and doped with high concentrations, 0.5-15 wt. %, thulium oxides (Tm2O3) or 0.1-5 wt% holmium oxides (Ho2O3) or mixtures thereof. The high concentration of thulium dopants provide highly efficient pump absorption and high quantum efficiency. Co-doping of Tm and Ho can broaden the ASE spectrum.

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Kyunghawan-Oh; Kilian-A; Reinhart-L; Quin-Zhang; Morse-Tf; Weher-Pm, Broadband superfluorescent emission of the 3H4 to 3H6 transition in a Tm-doped multicomponent silicate fiber, Optics Letters, Aug. 1, 1994; 19(15): 1131-3.
Tsang-Yh; King-Ta; Do-Kyeong-Ko; Jongmin-Lee, “Broadband amplified spontaneous emission double-clad fibre source with central wavelengths near 2um,” Journal of Modern Optics. May 10, 2006; 53(7): 991-1;001.

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