期刊
OPTICS EXPRESS
卷 12, 期 15, 页码 3599-3604出版社
OPTICAL SOC AMER
DOI: 10.1364/OPEX.12.003599
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We propose a new power-splitting scheme in two-dimensional photonic crystals that can be applicable to photonic integrated circuits. The proposed power-splitting mechanism is analogous to that of conventional three-waveguide directional couplers, utilizing coupling between guided modes supported by line-defect waveguides. Through the analysis of dispersion curve and field patterns of modes, the position in propagation direction, where an input field is split into a two-folded image, is determined by simple mode analysis. Based on the calculated position, a photonic crystal power-splitter is designed and verified by finite-difference time-domain computation (C) 2004 Optical Society of America.
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