Attenuation of cutoff modes and leaky modes of dielectric slab structures

1986 ◽  
Vol 22 (2) ◽  
pp. 310-318 ◽  
Author(s):  
H. Haus ◽  
D. Miller
Keyword(s):  
Dielectric Slab ◽  
Leaky Modes

scholarly journals Using quasi-guided modes for modeling the transfer behavior of bent dielectric slab waveguides

2010 ◽  
Vol 8 ◽  
pp. 19-26 ◽  
Author(s):  
M. Stallein ◽  
B. Bandlow ◽  
R. Schuhmann
Keyword(s):  
Numerical Simulation ◽  
Approximate Solutions ◽  
Dielectric Slab ◽  
Integration Technique ◽  
Slab Waveguides ◽  
Leaky Modes ◽  
Guided Modes ◽  
Bending Loss ◽  
Transfer Behavior ◽  
Multimode Waveguides

Abstract. The connection of two straight dielectric multimode slab waveguides by a circular bent waveguide is analyzed by means of quasi-guided modes. These modes correspond to the well known leaky modes, but own real eigenvalues, thus the mathematical description is simpler. Furthermore they are derived as approximate solutions of the exact theory. This work will first give a brief introduction to the basic theory, followed by a discussion of the properties of quasi-guided modes. After a validation by comparison with a numerical simulation using the Finite Integration Technique, results for the bending loss of multimode waveguides are presented.

Guided and Leaky Modes of a Multilayer Planar Slab Waveguide

2011 ◽  
Vol 1 (3) ◽  
pp. 14-21 ◽  
Author(s):  
S. K. Raghuwanshi ◽  
V. Kumar ◽  
Radha Raman Pandey
Keyword(s):  
Slab Waveguide ◽  
Leaky Modes
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