Derive an expression for the ratio of the proportionality


Field Distribution

The transverse distribution um(y) of the electric-field complex amplitude of a TE mode in a slab waveguide is given by:

              cos(2Π(sinθm/λ)y) → m = 0, 2, 4, 6 .....

um(y) ∝

              sin(2Π(sinθm/λ)y) → m = 1, 3, 5 .....

and

Derive an expression for the ratio of the proportionality constants.

Plot the distribution of the m = 0 TE mode for a slab waveguide with parameters n1 = 1.48, n2 = 1.46, d = 0.5 m, and λ0 == 0.85 μm, and determine its confinement factor (percentage of power in the slab).

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Electrical Engineering: Derive an expression for the ratio of the proportionality
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