What is the largest thickness t of a planar symmetric dielectric waveguide with refractive indices n₁ = 1.46 and n₂ = 1.50 for which there is only one TE mode at free-space wavelength λ = 1.3 µm?
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![What is the largest thickness t
of a planar symmetric dielectric
waveguide with refractive
indices n₁ = 1.46 and n₂ = 1.50
for which there is only one TE
mode at free-space
wavelength λ = 1.3 µm?
option: a. 8
b. 3
c. 6
in [\mu m]
d. 1
e. 5](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe3b0fc10-d9fd-485d-9c86-b6fc24e4e872%2F121a8dfa-7add-42ec-86c0-072a4eefcc90%2F20jujqc.jpeg&w=3840&q=75)
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