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http://hdl.handle.net/10397/7067
Title: | Compact broadband amplified spontaneous emission in Tm³⁺-doped tungsten tellurite glass double-cladding single-mode fiber | Authors: | Kuan, PW Li, K Zhang, G Wang, X Zhang, L Bai, G Tsang, YH Hu, L |
Issue Date: | 1-Jun-2013 | Source: | Optical materials express, 1 June 2013, v. 3, no. 6, p. 723-728 | Abstract: | 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. | Keywords: | Superradiance Superfluorescence Infrared and far-infrared lasers Laser materials Fibers Single-mode Laser diodepumped |
Publisher: | Optical Society of America | Journal: | Optical materials express | ISSN: | 2159-3930 (eISSN) | DOI: | 10.1364/OME.3.000723 | Rights: | ©2013 Optical Society of America. This paper was published in Optical Materials Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ome/abstract.cfm?URI=ome-3-6-723. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. |
Appears in Collections: | Journal/Magazine Article |
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Kuan_Compact_Broadband_Amplified.pdf | 1.42 MB | Adobe PDF | View/Open |
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