Mutual injection locking and coherent combining of three individual fiber lasers |
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Authors: | Zilun Chen |
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Affiliation: | College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha Hunan 410073, China |
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Abstract: | Mutual injection locking and coherent combining of three individual erbium-doped fiber lasers are reported. Theoretical model of the three fiber lasers under mutual injection is also analyzed. Under free running state, the far field beam profile is a simple intensity superposition as three incoherent beams. Under mutual injection locking, interference lobes with high contrast ratio are obtained in the far field of three fiber lasers, which shows that the three fiber lasers have good interference characteristic under mutual injection. The experimental results are in good agreement with the theoretical results. According to this method, we can also realize coherent beam combining in more fiber lasers. |
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Keywords: | Fiber lasers Mutual injection locking Coherent combining |
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