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Electromagnetic Surface Waves by Akhlesh Lakhtakia, Tom Mackay, John Polo

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Chapter 7

Dyakonov-Tamm Waves

7.1 Introduction

Having considered in detail Dyakonov waves in Chapter 4 and Tamm waves in Chapter 5, let us now turn to what is essentially an amalgamation of these two types of surface waves: Dyakonov-Tamm waves. By definition, at least one of the two partnering materials is required to be both anisotropic and periodically nonhomogeneous. Periodic nonhomogeneity of an anisotropic partnering material distinguishes Dyakonov-Tamm waves from Dyakonov waves.

Dyakonov-Tamm waves offer two distinct advantages over Dyakonov waves for optical applications: First, Dyakonov-Tamm-wave propagation has a much larger AED than Dyakonov waves. Second, more than one Dyakonov-Tamm-wave mode may be guided by a particular interface in ...

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