Bright octave-span mid-IR supercontinuum generation in silicon germanium waveguide
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Della Torre, Alberto; Sinobad, M.; Luther-Davies, Barry; Ma, Pan; Madden, Steve; Debbarma, Sukhanta; Vu, Khu; Moss, David J.; Mitchell, Arnan; Hartmann, Jean-Michel; Fedeli, Jean-Marc; Monat, C.; Grillet, C.
Description
We present silicon-germanium on silicon waveguides as a suitable platform for on-chip supercontinuum generation in the mid-infrared. We report low propagation loss (<0.4dB/cm) in the 3.5-5 μm range, leading to an octave spanning supercontinuum extending up to 8.5 μm with a high average power of more than 10 mW on-chip. Furthermore, we present the addition of a chalcogenide cladding layer as a simple post-processing technique to fine tune the waveguide dispersion which, in turn, governs the...[Show more]
Collections | ANU Research Publications |
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Date published: | 2019 |
Type: | Conference paper |
URI: | http://hdl.handle.net/1885/205812 |
Source: | Proceedings of SPIE - The International Society for Optical Engineering |
DOI: | 10.1117/12.2517866 |
Access Rights: | Open Access |
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01_Della+Torre_Bright_octave-span_mid-IR_2019.pdf | 840.92 kB | Adobe PDF |
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