Stimulated four-photon mixing in bent few-mode optical fibres |
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| Authors: | S. J. Garth C. Pask G. E. Rosman |
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| Affiliation: | (1) Department of Mathematics, University College, Australian Defence Force Academy, Northcott Drive, 2601 Campbell, ACT, Australia;(2) Optical Technology Section, Telecom Research Laboratories, 770 Blackburn Road, 3168 Clayton, Victoria, Australia |
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| Abstract: | A divided-pump four-photon mixing process is used to investigate the behaviour of modes on a bent few-mode optical fibre. The second-order mode set becomes non-degenerate, even for slight bending; the two modes propagate along the fibre with different group delays and preferred axes of symmetry. Our experimental results are compared with a theoretical analysis. |
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