Abstract
Polymer based microstructured optical fibers (MPOFs) like their silica counterparts guides the light through the use of array of wavelength-scale microstructures in the cross-section, and offers pivotal dominance over both polymer optical fibers (POFs) as well as air/silica microstructured optical fibers (MOFs). We aspire to investigate the optical characteristics of the solid-core MOFs based on polymer material by using an efficient theoretical model. Theoretical evidences to demonstrate that fiber support only single mode are explored and cut-off conditions are identified. We evaluate the effective index of higher-order mode (HOM) for the solid-core MPOF at terahertz (THz) regime, and the coupling properties of long-period gratings (LPGs) in MPOF are also examined. Further, the sensitivity coefficient is studied for realizing the efficient coupling in the evanescent field based applications. Theoretical results are compared with those as reported in the literature. Relative errors are also included.
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