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Optical absorption and nonlinear index are important performance drivers in devices like microcombs and parametric oscillators. Here we use resonance-enhanced nonlinear spectroscopy to characterize absorption limits and nonlinear index for some integrated photonic materials. (c) 2021 The Author(s)
Elyahou Kapon, Alok Rudra, Benjamin Dwir, Alessio Massimiliano Davide Miranda
Tobias Kippenberg, Anat Siddharth, Zheru Qiu, Andrey Voloshin, Simone Bianconi