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The design, fabrication, and characterization of surface relief Bragg gratings integrated with aluminum oxide ridge waveguides are reported. After patterning a photoresist layer by laser interference lithography, uniform gratings with a depth of ∼120nm and a period of 507nm were etched into the SiO 2 top cladding. The grating length varied between 1.25mm and 4.75mm. The grating-induced loss...
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