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Coupling silica waveguides to photonic crystal waveguides through multilayered Luneburg lens. (arXiv:1912.07683v1 [physics.optics]) http://arxiv.org/abs/1912.07683
Coupling silica waveguides to photonic crystal waveguides through multilayered Luneburg lens. (arXiv:1912.07683v1 [physics.optics]) http://arxiv.org/abs/1912.07683