Asymmetric triple-core couplers

• DOI: 10.1007/bf00619753
• Publication Date: 2004-11-25T06:38:48Z
• Authors: Y. Chen
• Keywords: 0202 electrical engineering, electronic engineering, information engineering; 02 engineering and technology

Triple-core couplers with asymmetric structure are examined and the mode patterns with arbitrarily mismatched and separated cores are presented. It is found that the mode patterns experience a dramatic change as the symmetry of the structures is perturbed no matter how small a perturbation is.