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. 2009 Feb 16;9(2):1012–1032. doi: 10.3390/s90201012

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© 2009 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 6. — Optical intensity (quasi-TE mode by EME method) distribution in the cross-section of asymmetrical directional coupler (d = 1 μm) at: (a) z = 23.5 μm; (b) z = 47 μm.