Origin of TE and TM Modes

  / edmundsj  
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Transverse electric and transverse magnetic modes in waveguides both come from the same fundamental phenomenon - perfect reflection of a wave off an interface. This leads to a standing wave along one direction, and an electromagnetic field unlike that of a single propagating plane wave.

This is part of my graduate series on optoelectronics / photonics, and is based primarily on Coldren's book on Lasers as well as graduate-level coursework I have taken in the EECS department at UC Berkeley.

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