sample bonding, yielding horizontal slot waveguides, are promising focusing grating couplers for fully-etched horizontal slot waveguide have been corresponding to the slot region sandwiched by two silicon slabs (the crystalline silicon layer of SOI wafer and the deposited amorphous silicon, a-Si, layer).
Although field confinement and grating coupling efficiency were shown in simulations to be higher in three or four slot waveguides, two slots were ultimately chosen to reduce .. J. V. Galan, P. Sanchis, J. Blasco, A. Martinez, and J. Marti, “High efficiency fiber coupling to silicon sandwiched slot waveguides," Opt. Commun.
8 Feb 2018 In this Letter, we present the design, simulation (2D and 3D), fabrication, and experimental characterization of compact and fully etched focusing gratings for a horizontal slot waveguide based on a silicon nitride layer sandwiched between amorphous silicon and a silicon-on-insulator. The measured
of 10.4µm, whereas the waveguides have a section with dimensions less than 0.5µm. (a). (b). Figure 1. Schematic view of our devices (a) the input terminal for the interconnects. (b) grating coupler, in which the ALD layer is san. (c) cross section of double slot grating coup sandwiched by three silicon layers. (a). (b). Figure 1.
Abstract. Horizontal multiple slot waveguides of polysilicon and silicon nanocrystalline oxide were grating coupled to a surface normal fiber array. Measurements yielded a coupling efficiency of 60% per grating. The fabrication-tolerant, four-stage grating design was genetically evolved from a random seed without starting
Silicon-on-Insulator is emerging as a very suitable technology to develop silicon-based photonic integrated circuits. (slot region) of a low index contrast material (ns) sandwiched between two high index contrast layers (nH). 2 it can be seen both grating coupler and inverted taper slot waveguide-based proposed fiber
Efficient perfectly vertical fiber-to-chip grating coupler for silicon horizontal multiple slot waveguides. John Covey* and Ray T. Chen. The University of Texas at Optical Switching in a Silicon-Nanocrystal-Based Silicon Slot Waveguide at Telecom Wavelengths," Nano Lett. sandwiched slot waveguides," Opt. Commun.
24 Jan 2017 Abstract. In this Letter, we present the design, simulation (2D and 3D), fabrication, and experimental characterization of compact and fully etched focusing gratings for a horizontal slot waveguide based on a silicon nitride layer sandwiched between amorphous silicon and a silicon-on-insulator.

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February 2018