Please use this identifier to cite or link to this item: 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
Keywords: Superradiance
Superfluorescence
Infrared and far-infrared lasers
Laser materials
Fibers
Single-mode
Laser diodepumped
Issue Date: 1-Jun-2013
Publisher: Optical Society of America
Source: Optical materials express, 1 June 2013, v. 3, no. 6, p. 723-728 How to cite?
Journal: Optical materials express 
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.
URI: http://hdl.handle.net/10397/7067
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.
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