DEDI IRAWAN and Rado Yendra, - and Hartono, - and Okfalisa, - Normalized Power Propagation on 1x6 Fiber Coupler. Contemporary Engineering Sciences, Vol. 9, 2016, no. 14, 679 - 687.

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Abstract

The simulation of normalized power propagation on interaction region of 1x6 monolithic fiber coupler is reported. Power distribution on fiber couplers is much affected by arrangement of fibers. The theoretical model has been used to calculate power coupling propagation on linear and pentagonal arrangement of 1x6 fiber coupler. The calculation is based on a matrix transfer which is the solution of coupled-mode theory. The six parallel fiber is in linear array and pentagonal placement. By launching input power to single input of 1x6 monolithic fiber couplers for both configurations, power distribution shows how the initial power is distributed to the others. It is found that linear configuration cannot initiate its power to the initial fiber, and maximum peak is not periodically such as power propagation on 1x2 and 1x3 fiber coupler. By changing the arrangement to be a pentagonal and one fiber as in the center where input power is launched, the input power will be distributed identically from the center to five surrounding fibers. At certain coupling length, about 4.7 mm and 6.3 mm, six fibers with pentagonal configuration will have identical output power for wavelength input 1550 and 1310 nm respectively. Based on this distribution, 1x6 monolithic fiber couplers are applicable as a power divider. Keyword: 1x6 monolithic fiber couplers, power propagation, linear and pentagonal configurations

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