EE 164 Problem Set 4

EE 164 Problem Set 4 - EE 164 Problem 1: Problem Set 4...

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EE 164 Problem Set 4 Spring 2005 Problem 1: How many TE modes can propagate in the symmetrical slab in Section 4.2 (AlGaAs) if 5 d λ = ? Repeat the problem for 10 d = and 100. Problem 2: For a certain symmetrical dielectric slab, 1 1.48 n = and 2 1.46 n = . The slab is surrounded by air. Draw the ray path of a cladding mode if θ (the angle in the film) is75 D . At what values of do the cladding modes no longer appear? Problem 3: Use this equation () ( ) 11 2 2 nn n L cn τ ∆= to show that the modal pulse
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