Mid-Infrared Microphotonics Using Air-clad Silicon Pedestal Structures
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abstract
Towards Mid-Infrared silicon microphotonic circuits, we demonstrate broadband on-chip silicon structures including straight, bent waveguides, and beam splitters, utilizing a novel air-clad pedestal configuration. Transmission loss of 2.7 dB/cm is obtained at =3.7 um. 2013 The Optical Society.