D. Akimov, O. A. Kolevatova, A. Fedotov, S. Konorov, A. A. Podshivalov, A.M. Zhelticov, A. Ivanov, M. Alfimov, A. Petrov, T. Birks, W. Wadsworth, P. Russell
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Doubly phase-matched cascaded wave mixing in tapered fibers
Doubly phase-matched cascaded four-wave mixing in tapered fibers is demonstrated using femtosecond Cr:forsterite laser pulses. The first stage of this cascade involves phase-matched third-harmonic generation. At the second stage, the third harmonic and fundamental radiation generate new spectral components through phase-matched parametric wave mixing.