Answered: Modal Dispersion. Light of wavelength… | bartleby

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Modal Dispersion. Light of wavelength = 0.633 µm is transmitted through a mirror
waveguide of mirror separation d = 10 μm and n = 1. Determine the number of TE and TM
modes. Determine the group velocities of the fastest and the slowest mode. If a narrow pulse
of light is carried by all modes for a distance 1 m in the waveguide, how much does the pulse
spread as a result of the differences of the group velocities?

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