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2 May 2014 Slow light SOI slot photonic crystal waveguides with low loss
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Abstract
Slow light in SOI Slotted Photonic Crystal Waveguides (SPCW) infiltrated by a refractive liquid are investigated. By employing an interferometric technique similar to Optical Coherent Tomography (OCT), we report a group velocity lower than c/20 over a 1 mm-long SPCW. From the OCT measurements, we also infer moderate propagation losses. In the fast light regime (nG <10) propagation loss is about 15 dB.cm-1. Moreover, the coupling to slow modes is efficient. These results show that infiltrated slow light SPCW are a promising route to silicon organic hybrid photonics.
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Charles Caer, Sylvain Combrie, Xavier Le Roux, Alfredo De Rossi, and Eric Cassan "Slow light SOI slot photonic crystal waveguides with low loss", Proc. SPIE 9127, Photonic Crystal Materials and Devices XI, 912714 (2 May 2014); https://doi.org/10.1117/12.2051890
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