Ultra-compact directional couplers and M
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Zhanghua Han; Liu Liu; Erik Forsberg
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Article
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2006
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Elsevier Science
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English
⚖ 304 KB
Optical directional couplers and Mach-Zehnder interferometers employing surface plasmon polaritons are proposed and their characteristics are analyzed numerically using a finite-difference time-domain method. It is shown that these devices can have transverse size smaller than the incident wavelengt