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  • 2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference
  • (Optica Publishing Group, 2017),
  • paper CJ_P_4

Efficient in-phase locking of coupled lasers

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Abstract

In-phase locked array of lasers, where all have common frequencies and phases, can serve as single powerful laser with the high beam quality of an individual laser. Talbot and Fourier diffractions are commonly used for strong coupling between the lasers in the array. When used separately, each has some disadvantages. Talbot diffraction can lead to efficient out-of-phase locking, but requires additional diffractive elements to achieve stable in-phase locking. Fourier diffraction can directly lead to in-phase locking, but with low efficiency, high alignment sensitivity and possible deleterious damage to elements.

© 2017 IEEE

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