Mismatched directional couplers
- 1 April 1990
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 15 (7) , 357-359
- https://doi.org/10.1364/ol.15.000357
Abstract
Various twin-core couplers composed of mismatched optical fibers are capable of complete power transfer over lengths only moderately longer than their matched analogs. Examples include tapered and piecewise-continuous mismatched couplers. These linear couplers also provide insight into the mechanism of nonlinear coupling because nonlinearity induces periodic mismatching betweén twin cores that are axially uniform.Keywords
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