Experimental excitation and detection of angular harmonics in a step-index optical fiber |
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| Authors: | S. V. Karpeev S. N. Khonina |
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| Affiliation: | (1) Image Processing Systems Institute of the Russian Academy of Sciences, Samara State Aerospace University, Moskovskoe sh. 34, Samara, 443086, Russia |
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| Abstract: | As an alternative to classical LP-modes used as a signal carrier in the optical fiber, we propose a superposition of angular harmonics that can be obtained as a special combination of LP-modes, which also shows modal properties in an optical fiber. Results of a number of natural experiments on selective excitation of both individual angular harmonics and their superposition are discussed. The text was submitted by the authors in English. |
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| Keywords: | linearly polarized modes weakly guiding stepped-index fiber DOE matched to the angular harmonics angular harmonics coupling into a fiber |
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