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1 August 2002 Selective mode excitation by non-axial evanescent coupling for bandwidth enhancement of multimode fiber links
Laurent Vaissie; Eric G. Johnson
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Optical Engineering, 41(8), (2002). https://doi.org/10.1117/1.1488607
Abstract
We present an analysis of conditioned launch in a gradient- index multimode fiber (MMF). Selective mode excitation is obtained by nonaxial evanescent coupling between two highly asymmetric side- polished fibers: a single-mode fiber and an MMF with an exposed core. An index-matching slab improves the coupling efficiency and selectivity. The simulation shows that about 40% of modes, only high-order modes, are excited in the MMF. When compared to an overfilled launch, the bandwidth of a perturbed index fiber is enhanced more than twofold for large parameter variations.
© (2002) Society of Photo-Optical Instrumentation Engineers (SPIE)
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Laurent Vaissie, Laurent Vaissie, Eric G. Johnson, Eric G. Johnson, } "Selective mode excitation by non-axial evanescent coupling for bandwidth enhancement of multimode fiber links," Optical Engineering 41(8), (1 August 2002). https://doi.org/10.1117/1.1488607 . Submission:
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