CAD simulated and experimental beam profile analysis of single-mode tapered fibers for optical bandwidth enhancement applications
Murshid, Syed H.
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Most developments in data transfer techniques are incremental by nature and the goal of increasing total capacity in optical communications and networking requires new concepts for basic transmission media. The transmission data rates can only be enhanced by introducing new modulation and multiplexing techniques. In this paper different single mode tapered fiber waveguides are used to design a Spatial Multiplexer Unit (SMU) for a novel optical fiber multiplexing technique called the Spatial Domain Multiplexing (SDM) that allows co-propagation of two or more channels of exactly same wavelength without interfering with each other. This paper also presents a CAD model for the SMU and then compares the output beam profiles from different single mode tapered fibers to determine the optimum geometry for the SMU. Finally experimental and simulated beam profiles for the SMU are presented.