Multiple-mode phase matching in a single-crystal lithium niobate...Developing natural “free space” frequency upconversion is essential for photonic integrated circuits. In a single-crystal lithium niobate thin film planar waveguide of less than 1 μm thickness, we achieve type I and type II mode phase-matching conditions ...
Liquid modified photonic crystal fiber for simultaneous temperat...A liquid modified photonic crystal fiber (PCF) integrated with an embedded directional coupler and multi-mode interferometer is fabricated by infiltrating three adjacent air holes of the innermost layer with standard 1.48 refractive index liquids. The ...
Experimental evidence of photonic crystal waveguides with wide b...A cross-shaped photonic crystal waveguide formed by a square lattice Al2O3 rods array is numerically and experimentally investigated. The band gap of the TE mode for the photonic crystals and transmission characteristics of waveguides are calculated by ...
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