Abstract
We have studied the process of separation of the dominant mode and guided vortices in a Y-shaped directional fiber beam splitter. It is shown that, under certain conditions, the dominant mode field is completely pumped to the second channel, leaving the optical vortex field in this channel unchanged. Based on such a splitter, a vortex fiber interferometer has been created and characterized with respect to linearity and temperature sensitivity.
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 29, No. 14, 2003, pp. 50–56.
Original Russian Text Copyright © 2003 by Fadeeva, Volyar.
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Fadeeva, T.A., Volyar, A.V. Tunneling selection of optical vortices. Tech. Phys. Lett. 29, 594–597 (2003). https://doi.org/10.1134/1.1598560
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DOI: https://doi.org/10.1134/1.1598560