COMPUTATIONALLY EFFICIENT ANALYSIS OF BURIED WAVE-GUIDES WITH APPLICATIONS AS SEMICONDUCTOR-LASERS

The proven free space radiation mode method is extended for the first time to the important case of multilayered structures. Simple transcen dental equations are obtained which can be solved in a matter of secon ds, accurately yielding both propagation constants and field profiles. Further, the inclusion of lossy materials and active regions allows t he approach to be used for the first time to model buried laser struct ures. A variety of practical examples are examined, and results are co mpared with those from complex finite element and finite difference ca lculations, demonstrating excellent agreement and a substantial reduct ion in computational effort.