S.H. Murshid, A. Chakravarty, and R. Biswas (USA)
Optical communication, optical fiber communications, multiplexing, tapered fiber, helical propagation.
Spatial domain multiplexing (SDM) is a novel multiplexing scheme that significantly increases the bandwidth of optical communication systems by allowing simultaneous propagation of multiple channels of the same wavelengths over a single fiber. All components of this system are common to any standard optical communications system with the exception of two modules; (a) the beam combiner module and (b) the beam separator module. This endeavor reports the construction of simple beam combiner modules for multiplexing four SDM channels onto a 1000µm carrier fiber and two SDM channels on a 62.5/125µm standard multimode carrier fiber. Experimental results and simulated beam profiles are presented and finally a simple bulk optics based beam separator module is introduced.
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