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Dynamics of erbium-doped fibre laser with optical delay feedback and chaotic synchronization 总被引:1,自引:0,他引:1 下载免费PDF全文
The dynamical behaviour of the erbium-doped fibre single-ring laser
with an optical delay feedback is discussed. Simulation shows that as
the delay
rate increases, the
lasing light displays period-doubling which leads to chaos and via reverse
period-doubling route returns from chaos to periodic. At a particular delay rate the intermittently chaotic route to chaos is also
observed. The identical synchronization based on
chaos in this ring laser is demonstrated by
numerical simulation. 相似文献
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A Novel Method to Calculate the Initial Phase Difference between the Two Fibre Arms of Laser Homodyne Iuterferometer 下载免费PDF全文
We suggest a novel method to calculate the initial phase difference between two fibre arms of a laser homodyne interferometer. Put the two fibre arms in a temperature controller, whose short term stability is 0.02° C (measured in an hour), then measure the interference photocurrent and the photocurrents from the two fibre arms at a fixed temperature. With these three photocurrents we can calculate the value of the initial phase difference. We set up a simple laser homodyne interferometer to test the theory. The experimental results are repeatable and the measurement precision is about 0.04°. It is theoretically and experimentally proven that this method is potentially easy and practical. 相似文献
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