We investigated the overlap relation of the free-space Laguerre–Gaussian modes to the corresponding linearly polarized modes of a step-index fiber. To maximize the overlap for an efficient coupling of the free-space modes into a fiber, the scale-dependent overlap was theoretically and experimentally determined. The presented studies pave the way for further improvement of free-space to fiber optical connections.
Reference:
Bruning, R, Zhang, Y, McLaren M, Duparre, M and Forbes, A. 2015. Overlap relation between free-space Laguerre Gaussian modes and step-index fiber modes. Journal of the Optical Society of America A, vol.32(9), pp 1678-1682
Bruning, R., Zhang, Y., McLaren, M., Duparre, M., & Forbes, A. (2015). Overlap relation between free-space Laguerre Gaussian modes and step-index fiber modes. http://hdl.handle.net/10204/8221
Bruning, R, Y Zhang, M McLaren, M Duparre, and A Forbes "Overlap relation between free-space Laguerre Gaussian modes and step-index fiber modes." (2015) http://hdl.handle.net/10204/8221
Bruning R, Zhang Y, McLaren M, Duparre M, Forbes A. Overlap relation between free-space Laguerre Gaussian modes and step-index fiber modes. 2015; http://hdl.handle.net/10204/8221.
Copyright: 2015 Optical Society of America. This is the post-print version of the work. The definitive version is published in the Journal of the Optical Society of America A, vol.32(9), pp 1678-1682.
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