We report our advances in development of subwavelength engineered silicon photonic devices for near- and mid-infrared applications. By periodically patterning Si with a pitch small enough to suppress diffraction, we synthesize an effective photonic medium with refractive index between those of Si and the cladding material. This technique releases new degrees of freedom in engineering of light-matter interaction, chromatic dispersion and light propagation in Si photonic waveguides. We present an overview of our recent results in the realization of novel devices including filters and waveguides for near- and mid-infrared wavelength range.
Carlos Alonso-Ramos, Diego Pérez-Galacho, Xavier Le Roux, Daniel Benedikovic, Florent Maezas, Weiwei Zhang, Samuel Serna, Vladyslav Vakarin, Elena Durán-Valdeiglesias, Nadia Belabas-Plougonven, Laurent Labonté, Sébastien Tanzilli, Pavel Cheben, Eric Cassan, Delphine Marris-Morini, and Laurent Vivien, "Subwavelength Si photonics for near- and mid-infrared applications (Conference Presentation)," Proc. SPIE 10108, Silicon Photonics XII, 1010815 (Presented at SPIE OPTO: February 01, 2017; Published: 28 April 2017); https://doi.org/10.1117/12.2254811.5393348509001.
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