Spectral broadening of femtosecond pulses in polycrystalline anatase titanium dioxide waveguides
Publication information:
2012. “Spectral Broadening of Femtosecond Pulses in Polycrystalline Anatase Titanium Dioxide Waveguides”
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We observe the first nonlinear spectral broadening of femtosecond pulses in single-mode anatase TiO2 waveguides at 793 and 1565 nm. The broad applicability and low two-photon absorption of TiO2 makes it a promising material for integrated photonics.