This analysis demonstrates supercontinuum generation reaching approximately 4 µm in nanophotonic materials, suggesting advances in mid-infrared technologies.
We demonstrate thin-film lithium niobate waveguides that employ geometric dispersion engineering, chirped poling, and both χ (2) and χ (3) nonlinearities to achieve supercontinuum generation across the mid-infrared, reaching approximately 4 µm and spanning over three optical octaves.
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Wu et al. (2025) studied this question.
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