Equilibrium Mode Distribution and Steady State Distribution in Step-Index Glass Optical Fibers

Savović, Svetislav; Djordjevich, Alexandar; Drljača, Branko; Simović, Ana

doi:10.12693/aphyspola.116.655

Cited by 2 publications

(1 citation statement)

References 14 publications

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“…[17][18][19][20][21] With the modes redistributed, each mode group gradually reaches an equilibrium state. [22][23][24][25][26][27][28] The transmission bandwidth can be improved by transmitting the equilibrium state mode, with good transmission characteristics. However, there has been no report on the bandwidth and transmission characteristics with regard to mode controllers except in one study, 29) wherein only a preliminary result of the eye pattern was reported.…”

Section: Introductionmentioning

confidence: 99%

Improvement of transmission characteristics of step-index multimode fibers using variable mode controller

Horiguchi

Beppu²,

Hyakutake³

et al. 2020

Jpn. J. Appl. Phys.

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The mode dispersion induced in step-index multimode fibers significantly deteriorates the transmission characteristics and bandwidth. To overcome this existing problem, we suppressed the delay of the transmission signal through mode redistribution realized by applying a torsional stress to a fiber using a variable mode controller (VMC). By suppressing the transmission delay, the transmission characteristics and bandwidth of the fiber set in the VMC have been improved. The mode of the fiber set in the VMC achieves an equilibrium mode distribution by mode redistribution. Therefore, the near-and far-field patterns of the VMC were largely stable.

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