Wave propagation through linearly tapered homogeneous dielectric slab waveguides


Polat B. , TOPUZ E., SEVGI L.

AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS, cilt.52, ss.105-108, 1998 (SCI İndekslerine Giren Dergi) identifier

  • Cilt numarası: 52 Konu: 2
  • Basım Tarihi: 1998
  • Dergi Adı: AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS
  • Sayfa Sayıları: ss.105-108

Özet

Intrinsic modes (IM) are used to describe wave propagation through linearly tapered homogeneous dielectric slab waveguides. First, we consider a general weakly non-separable two-dimensional waveguide and outline a systematic procedure for the construction of the IM spectral integral through the generalization of the adiabatic mode fields, This technique is applied to obtain IM explicitly in the two-dimensional wedge considering cartezian coordinates as the frame of reference. Then, the IM formulation is utilized in analysing the propagation through a section of linearly tapered optical film and the results of numerical calculations are presented, together with independently generated comparison solutions obtained via the beam propagation method (BPM).