Compact Low Loss Mid-Infrared Wavelength-Flattened Directional Coupler (WFDC) for Arbitrary Power Splitting Ratio Enabled by Rib Waveguide Dispersion Engineering
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Compact Low Loss Mid-Infrared Wavelength-Flattened Directional Coupler (WFDC) for Arbitrary Power Splitting Ratio Enabled by Rib Waveguide Dispersion Engineering
Compact Low Loss Mid-Infrared Wavelength-Flattened Directional Coupler (WFDC) for Arbitrary Power Splitting Ratio Enabled by Rib Waveguide Dispersion Engineering
Journal Title:
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
B. Dong et al., "Compact Low Loss Mid-Infrared Wavelength-Flattened Directional Coupler (WFDC) for Arbitrary Power Splitting Ratio Enabled by Rib Waveguide Dispersion Engineering," in IEEE Journal of Selected Topics in Quantum Electronics, vol. 24, no. 4, pp. 1-8, July-Aug. 2018, Art no. 4500108. doi: 10.1109/JSTQE.2018.2811902
Abstract:
We design, fabricate, and characterize a novel type of wavelength-flattened directional coupler (WFDC) working in the mid-infrared (MIR) based on the physics of rib waveguide dispersion. In the silicon-on-insulator rib waveguide WFDC devices with length