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Coupled‐mode analysis of nonlinear fiber couplers with different core parameters
Author(s) -
Liu Min
Publication year - 2007
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.22350
Subject(s) - core (optical fiber) , microwave , fiber , nonlinear system , phase (matter) , coupled mode theory , optics , materials science , refractive index , physics , engineering , telecommunications , composite material , quantum mechanics
A nonlinear two‐core fiber coupler with unequal cores (phase‐mismatched) is analyzed by using coupled‐mode theory. Based on the solutions of the coupled‐mode equations, it is demonstrated that even though there is a difference in core diameter, the unequal‐core fiber coupler (phase‐mismatched) can function as a twin‐core fiber coupler (phase‐matched) by increasing the refractive index of the small core. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49:1051–1053, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22350
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