Highly efficient multi-channel drop filter in a two-dimensional hetero photonic crystal.
OPTICS EXPRESS(2006)
摘要
An in-plane, multi-channel drop filter with high efficiency, in a two-dimensional photonic crystal (PC) slab, is experimentally demonstrated. Based on the concept of heterostructure photonic crystals proposed previously, the device consists of multiple simply connected, PC-based filter units, in which each unit has a structure proportional to an optimized basic unit and operates at a different wavelength. Four-channel drop operation was successfully obtained, with high efficiencies of almost 100%, and equal quality factors, across all channels. (c) 2006 Optical Society of America.
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关键词
photonic integrated circuit,photonic crystal,waveguides,microstructures,photonic integrated circuits,resonators,quality factor
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