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17 March 2023 Supercontinuum generation in 800nm thick ultra-low loss silicon nitride waveguides
Yijun Yang, Christian Lafforgue, Quentin Wilmart, Thibaut Sylvestre, Sylvain Guerber, Xavier Le Roux, Eric Cassan, Delphine Marris-Morini, Carlos Alonso-Ramos, Bertrand Szelag, Laurent Vivien
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Proceedings Volume PC12425, Smart Photonic and Optoelectronic Integrated Circuits 2023; PC1242502 (2023) https://doi.org/10.1117/12.2657444
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
We report SCG over 1.4 octave(from 620nm to 1.5µm) by pumping at 1060nm on a dispersion-engineered ultra low-loss SiN integrated waveguide with femtosecond pulse of 300W as peak power. We demonstrate SCG over 2.5 octaves(from 580nm to 2.05µm) when a wider and longer waveguide being pumped at 1550nm with peak power of 800W. We also experimentally observe a 4.5 octaves(from 500nm to 2.75µm) SCG by pumping at 1550nm on the 800nm thick SiN platform. We show the versatility of CEA LETI 800nm thick ultra-low loss SiN platform to SCG,
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Yijun Yang, Christian Lafforgue, Quentin Wilmart, Thibaut Sylvestre, Sylvain Guerber, Xavier Le Roux, Eric Cassan, Delphine Marris-Morini, Carlos Alonso-Ramos, Bertrand Szelag, and Laurent Vivien "Supercontinuum generation in 800nm thick ultra-low loss silicon nitride waveguides", Proc. SPIE PC12425, Smart Photonic and Optoelectronic Integrated Circuits 2023, PC1242502 (17 March 2023); https://doi.org/10.1117/12.2657444
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KEYWORDS
Supercontinuum generation
Waveguides
Silicon
Integrated photonics
Optical communications
Optical sensing
Semiconductor lasers
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