Abbreviated Journal Title
Appl. Phys. Lett.
GUIDES; Physics, Applied
Suspended silicon-membrane ridge waveguides are fabricated and characterized on a single-material photonic device platform. By using direct bonding, a thin layer of silicon is fused to a bulk silicon substrate, which is patterned with narrow trenches. Waveguides are etched on the resulting suspended membranes and are characterized at mid-and near-infrared wavelengths. Transverse magnetic-mode propagation losses of 2.8 +/- 0.5 and 5.6 +/- 0.3 dB/cm at 3.39 and 1.53 mu m wavelengths are measured, respectively. This all-silicon optical platform is capable of continuous low-loss waveguiding from wavelengths of 1.2-8.5 mu m, enabling numerous applications in frequency conversion and spectral analysis.
Applied Physics Letters
Chiles, Jeff; Khan, Saeed; Ma, Jichi; and Fathpour, Sasan, "High-contrast, all-silicon waveguiding platform for ultra-broadband mid-infrared photonics" (2013). Faculty Bibliography 2010s. 3806.