Abstract
Under the dielectric continuum model and separation of variables, the interface optical (IO) phonon modes and electron–optical-phonon interaction in rectangular quantum wire and quantum dot embedded in a nonpolar matrix are studied. We found that there exist various types of IO phonon modes in rectangular nanostructures. The IO phonon modes in rectangular quantum wire include IO–propagating (IO–PR) and IO–IO hybrid phonon modes, while the IO phonon modes in rectangular quantum dot contain IO–IO–PR and IO–PR–PR hybrid phonon modes. The results of numerical calculation show that these hybrid phonon modes contain corner optical (CO) phonon modes and edge optical (EO) phonon modes. The potential applications of these results are also discussed.
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