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Fig. 2 | PhotoniX

Fig. 2

From: 350-2500 nm supercontinuum white laser enabled by synergic high-harmonic generation and self-phase modulation

Fig. 2

QPM schemes in CPPLN for 2nd-10th HHG based on broadband three-wave mixing processes. a-f Collective plots of the Fourier coefficient curves in band B1-B6 offered by the CPPLN structure and the phase mismatch curves of various three-wave mixing processes in a homogeneous LN crystal that are adopted to accomplish 2nd-10th HHG. The efficient QPM three-wave mixing process arises from the overlap between the two curves within the given mid-IR pump laser band

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