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Authors: B. Kuyken, M. Billet, F. Leo, Y. Kresten, M. Pu
Title: Octave-spanning coherent supercontinuum generation in an AlGaAs-on-insulator waveguide
Format: International Journal
Publication date: 2/2020
Journal/Conference/Book: Optics Letters
Volume(Issue): 45(3) p.603-606
DOI: 10.1364/OL.45.000603
Citations: 63 ( - last update: 21/7/2024)
48 (OpenCitations - last update: 27/6/2024)
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We demonstrate supercontinuum generation over an octave spaning from 1055 to 2155 nm on the highly nonlinear aluminum gallium arsenide (AlGaAs)-on-insulator platform. This is enabled by the generation of two dispersive waves in a 3-mm-long dispersion-engineered nano-waveguide. The waveguide is pumped at telecom wavelengths (1555 nm) with 3.6 pJ femtosecond pulses. We experimentally validate the coherence of the generated supercontinuum around the pump wavelength (1450-1750 nm), and our numerical simulation shows a high degree of coherence over the full spectrum.

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