33m

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Unformatted text preview: .470. 4. Asymmetric planar waveguide A planar waveguide is made with nf =1.48, ns=1.46 & nc =1.44. The thickness of the guiding film is 10 m. a) Determine the number of TE modes the structure will support if the incident wavelength is 1.33m. b) What is the lowest order mode for this asymmetric waveguide – the TE0 or TM0 mode? Show graphically. 5. Lets get some practice now! Consider a planar slab waveguide on infinite extent in the y and z directions. The guiding film index is 1.5, the substrate index is 1.48, and the cover index...
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This note was uploaded on 08/10/2010 for the course ECE 4370 at Cornell.

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