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Design and simulation of polymer-based 1x4 asymmetric waveguide coupler

Mohd Shafiq, Mat Ghazali and Fadhlur Rahman, Mohd Romlay (2017) Design and simulation of polymer-based 1x4 asymmetric waveguide coupler. In: 4th National Conference On Knowledge Transfer (NCKT''17), 10-13 Disember 2017 , Sintok Kedah. pp. 1-3..

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Abstract

The design and modelling of a 1x4 asymmetric waveguide couplers based on optical glue Epoxy OG142 is presented. The 1x4 asymmetric coupler is based on a cascaded design of a 1x2 Y-branch with two 1x2 asymmetric couplers. The design of the asymmetric coupler is based on asymmetric Y-junction splitter using tap-off ratio (TOFR) technique. This asymmetric design was achieved by varying the size of the tap line while the bus line was fixed at 1 mm size. A Y-branch and the 1x2 asymmetric couplers with different taper sizes have been designed using CAD tool and ray traced using non-sequential ray tracing. The designed TOFR for the 1x2 asymmetric coupler varies from 23% to 50% for tap line width of 300 um to 1000 um. Ray tracing models of various coupler design showed a linear relationship between the tap-off ratio (TOFR) and the waveguide tap width. The simulated ray tracing result shows TOFR values for the 1x4 asymmetric waveguide coupler varies from 23.1 to 50% for tap width of 300 um to 1000 um.

Item Type: Conference or Workshop Item (Lecture)
Uncontrolled Keywords: asymmetric; plastic optical fiber; POF; Tap-off-ratio; TOFR ; waveguide coupler; Y-branch
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Pn. Hazlinda Abd Rahman
Date Deposited: 10 Apr 2019 07:59
Last Modified: 10 Apr 2019 07:59
URI: http://umpir.ump.edu.my/id/eprint/21005
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