28 April 2009 CAD model for co-propagating spatially multiplexed channels of same wavelength over standard multimode fibers
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Abstract
Spatial Domain Multiplexing (SDM) is a novel technique that allows co-propagation of two or more optical communication channels of the same wavelengths over a single strand of optical fiber cable by maintaining spatial separation between the channels. Spatial multiplexer known as the beam combiner module (BCM) supports helical propagation of light to ensure spatial separation between the channels. It is inserted at the input end of the system. Spatial de-multiplexing is achieved by a unit named beam separator module (BSM). This unit is inserted at the receiving end of the system and it routes the optical energy from individual channels to dedicated receivers. Spatially multiplexed channels exhibit negligible crosstalk. The bandwidth of the fiber optic systems employing SDM technique increases by multiple folds. CAD model of a beam combiner module for a two channel system using commercially available simulation tools is presented here. Simulated beam profile of the output is compared to the experimental data.
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Syed H. Murshid, Syed H. Murshid, Raka Biswas, Raka Biswas, Abhijit Chakravarty, Abhijit Chakravarty, } "CAD model for co-propagating spatially multiplexed channels of same wavelength over standard multimode fibers", Proc. SPIE 7339, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications V, 73390O (28 April 2009); doi: 10.1117/12.818960; https://doi.org/10.1117/12.818960
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