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arXiv · 0803.3381

Fibre coupled dual-mode waveguide interferometer with $λ$/130 fringe spacing

Richard M. Jenkins·Andrew F. Blockley·J. Banerji·Alan R. Davies
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Abstract

Predictions and measurements of a multimode waveguide interferometer operating in a fibre coupled, ``dual-mode'' regime are reported. With a 1.32 micrometer source, a complete switching cycle of the output beam is produced by a 10.0 nanometer incremental change in the 8.0 micrometer width of the hollow planar mirror waveguide. This equates to a fringe spacing of $\simλ/130$. This is an order of magnitude smaller than previously reported results for this form of interferometer.

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Richard M. Jenkins, Andrew F. Blockley, J. Banerji, Alan R. Davies. 2008-03-24. Fibre coupled dual-mode waveguide interferometer with $λ$/130 fringe spacing. https://doi.org/10.1103/physrevlett.100.163901

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