IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
A controllable nanosize combiner in T-shaped metal-insulator-metal waveguides
Deqing KongMakoto TsubokawaLin Chen
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2016 Volume 13 Issue 6 Pages 20160081

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Abstract

We numerically analyzed the performance of a T-shaped combiner with metal-insulator-metal plasmonic waveguides. We showed that an extremely low combining loss can be realized over a wide infrared wavelength region. Moreover, the combining efficiency can be controlled between 0 and 1 by changing the phase difference between two input light sources, and it appears to be insensitive toward unequal powers of input light sources. Finally, we proposed a novel, optical 90° hybrid coupler with a modified T-shaped structure.

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© 2016 by The Institute of Electronics, Information and Communication Engineers
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