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Estimation of coupling power parameter of fused coupled fibers
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Paper Abstract

Fiber couplers are widely used in telecommunication and industry as a passive splitting power device. The effective power coupling and transmitting from one fiber to another is mainly determined by both coupling length and coupling coefficient. Coupling length can be calculated directly but for coupling coefficient it depends upon the refractive index and separation fiber axis. After fusion processes of two SMF-28e(R) couplers, the refractive index is unknown due to change in the radius of fiber (rcladd<40μm and rcore<1.5μm). Coupling coefficient range is obtained from a distribution of coupling ratio and compared with the empirical formula which also enables to calculate refractive index. In this experiment, coupling coefficient in the range of 0.6-0.9/mm is calculated as a function of separation fiber axis and refractive index of core and cladding. The result shows a good correlation between experimental results and theoretical calculation.

Paper Details

Date Published: 3 April 2008
PDF: 8 pages
Proc. SPIE 6793, International Workshop and Conference on Photonics and Nanotechnology 2007, 679309 (3 April 2008); doi: 10.1117/12.798955
Show Author Affiliations
- Saktioto, Univ. of Riau (Indonesia)
Jalil Ali, Univ. Teknologi Malaysia (Malaysia)
Mohammed Fadhali, Ibb Univ. (Yemen)
Jasman Zainal, Univ. Teknologi Malaysia (Malaysia)

Published in SPIE Proceedings Vol. 6793:
International Workshop and Conference on Photonics and Nanotechnology 2007

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