Nonlocal explanation of stationary and nonstationary regimes in cascaded soliton pulse compression

Abstract

We study soliton pulse compression in materials with cascaded quadratic nonlinearities, and show that the group-velocity mismatch creates two different temporally nonlocal regimes. They correspond to what is known as the stationary and nonstationary regimes. The theory accurately predicts the transition to the stationary regime, where highly efficient pulse compression is possible.

3 pages, 2 figures, published verison in Optics Letters. Contains revised equations, including an updated model

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