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22 October 2010 Studies on the lateral emission of erbium-doped fiber amplifiers
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The spectral power distribution of side emission from erbium-doped fibers lateral was measured by an integrating sphere and was evaluated quantitatively. The power of side upconversion is very low and the evidence of the contribution of signal laser to the upconversion is observed. The side spontaneous emission power was much larger than ASE power and nearly saturated at the lower pump power. With increasing Er3+ ions concentration, the contribution of signal laser to the green upconversion decreases and the side spontaneous emission are almost same under the strong 100mW pumping. According to the side emission and scattering power and the end output power, the energy budget is tabulated.
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Debao Zhang and Setsuhisa Tanabe "Studies on the lateral emission of erbium-doped fiber amplifiers", Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76582J (22 October 2010);


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