Abstract
Recently, there has been much activity in the field of localized optical modes, in particular, edge modes (EM) and defect modes (DM) in chiral liquid crystals (CLCs), mainly due to the possibilities for reaching a low lasing threshold for mirrorless distributed feedback (DFB) lasing in CLCs. In the present chapter, we study theoretically the influence of local absorption anisotropy on the characteristics of localized modes. We present analytical solutions for the EMs and DMs (associated with a local absorption anisotropy in CLCs) and consider some limiting cases simplifying the problem [15].
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