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Proceedings Paper

Understanding coupling mechanism in fused fiber coupler-based components: role of core and cladding modes
Author(s): Partha Roy Chaudhuri; B. P. Pal; M. R. Shenoy
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Paper Abstract

We present an analysis of fused fiber couplers by simultaneously considering the coupling of guided modes through the overlap of the evanescent fields in the weakly interacting 'taper transition' region as well as the beating of cladding modes in the strongly interaction 'taper waist' region. We have incorporated geometrical parameters to account for the 'degree of fusion' and the 'shape of taper', thus representing a realistic coupler structure. The results of our model are in very good agreement with the measured characteristics of coupler components fabricated in our laboratory.

Paper Details

Date Published: 25 September 2001
PDF: 6 pages
Proc. SPIE 4417, Photonics 2000: International Conference on Fiber Optics and Photonics, (25 September 2001); doi: 10.1117/12.441327
Show Author Affiliations
Partha Roy Chaudhuri, Indian Institute of Technology Delhi (India)
B. P. Pal, Indian Institute of Technology Delhi (India)
M. R. Shenoy, Indian Institute of Technology Delhi (India)


Published in SPIE Proceedings Vol. 4417:
Photonics 2000: International Conference on Fiber Optics and Photonics

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