Investigations into group IV photonic waveguides with a wide working optical bandwidth
SILICON PHOTONICS XV(2020)
摘要
In this work, potential ways of accessing a greater spectral range at mid-infrared (MIR) wavelength ranges in silicon photonics are explored, in particular for sensing applications that use on-chip spectroscopy. To utilise the full low-loss transmission of silicon, silicon membranes are transfer printed onto MIR-transparent substrates for waveguides with no absorption from the substrate. A Y-junction splitter with low loss across a 1 mu m optical bandwidth is also designed and experimentally demonstrated.
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关键词
Silicon photonics,wideband,broadband,mid-infrared,MIR,transfer printing,zinc selenide
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