Phase shifts in a Nd3+ fibre amplifier |
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| Authors: | Ch. Ghisler W. Lüthy H. P. Weber |
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| Affiliation: | (1) Institute of Applied Physics, University of Berne, Sidlerstrasse 5, CH-3012 Berne, Switzerland |
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| Abstract: | Phase shifts due to optical pumping have been measured in a Nd3+-doped fibre amplifier. The measurements were made with a two-fibre Mach-Zehnder interferometer. It is shown that phase shifts are mainly due to fibre heating. The results are compared with heat transport theory. |
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| Keywords: | 42.60.Da 48.81.– i |
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