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Nonlinear imaging through a Fermat’s golden spiral multicore fiber

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Abstract

We report two-photon lensless imaging through a novel Fermat’s golden spiral multicore fiber. This unique layout optimizes the sidelobe levels, field of view, crosstalk, group delay, and mode density to achieve a sidelobe contrast of at least 10.9 dB. We demonstrate experimentally the ability to generate and scan a focal point with femtosecond pulses and perform two-photon imaging.

© 2018 Optical Society of America

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Supplementary Material (1)

NameDescription
Visualization 1       The diffracted field from a hexagonal array and that of a Fermat golden spiral array of single mode fibers. The phase is encoded as color and the amplitude as luminosity.

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