Ultrabroadband supercontinuum generation in a CMOS-compatible platform |
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Authors: | Halir R Okawachi Y Levy J S Foster M A Lipson M Gaeta A L |
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Institution: | Departamento Ingeniería de Comunicaciones, ETSI Telecomunicación, Universidad de Málaga, Málaga, Spain. robert.halir@ic.uma.es |
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Abstract: | We demonstrate supercontinuum generation spanning 1.6 octaves in silicon nitride waveguides. Using a 4.3 cm-long waveguide, with an effective nonlinearity of γ=1.2 W(-1) m(-1), we generate a spectrum extending from 665 nm to 2025 nm (at -30 dB) with 160 pJ pulses. Our results offer potential for a robust, integrated, and low-cost supercontinuum source for applications including frequency metrology, optical coherence tomography, confocal microscopy, and optical communications. |
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