Analysis of characteristics on wave propagation in dielectric waveguide array

作者：Tian JS^*; Li X; Shi J; Zhang J

来源：Journal of Infrared and Millimeter Waves, 2005, 24(2): 156-160.

• two-dimensionally periodic medium
• dielectric waveguide array
• transversal propagation
• longitudinal propagation

Based on the presented rigorous theory for two-dimensionally periodic (2DP) medium, characteristics of wave propagation in DWA were analyzed and studied in detail. Firstly, if there existed longitudinal wave vectr (k(z) not equal 0), the characteristics of interactions between space harmonics were analyzed, and dispersion relations between transversal wave vectors were obtained. Secondly, supposing transversal wave vectors were identical (k(x) = k(y)), the characteristics of interactions between space harmonics and stop-bands caused by them were studied comprehensively, and dispersion relations between longitudinal and transversal wave vectors were also analyzed and calculated when wave frequency varied. A very interesting conclusion of purely longitudinal propagation in DWA was obtained. The results have practical application values.

• 出版日期2005-4
• 单位华中科技大学