Calculation of Guided Modes and Leaky Modes in Photonic Crystal Slabs

• 来源期刊: 中国物理快报（英文版）
• 年，卷（期）: 2004,（8）
• 页码范围: 1545-1548
• 页数: 4页
• 语种: 英文

摘要

The scattering matrix S describing photonic crystal slabs is formulated. A new method is introduced to solve the eigenfrequency ω for a given Bloch wave vector K from the equation det S-1 (ω, K) = 0. Using this method,we can obtain not only guided modes but also leaky modes in photonic crystal slabs with a higher-frequency resolution than that of the FDTD method.