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Estimation of coupling power parameter of fused coupled fibers

Toto, Saktioto and Ali, Jalil and Fadhali, Mohammed and Zainal, Jasman (2008) Estimation of coupling power parameter of fused coupled fibers. Journal of nonlinear optical physics and material, 17 (1). pp. 111-120. ISSN 0218-8635

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Official URL: http://dx.doi.org/10.1142/S0218863508004007

Abstract

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

Item Type:Article
Uncontrolled Keywords:Single mode fiber, coupling ratio, coupling length, coupling coefficient, refractive index
Subjects:Q Science > QC Physics
Divisions:Science
ID Code:5581
Deposited By: Zarina Md. Yassin
Deposited On:21 May 2008 05:07
Last Modified:01 Jun 2010 15:32

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