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Enhancing weak optical signals using a plasmonic Yagi-Uda nanoantenna Array

Mironov, Evgeny; Khaleque, Abdul; Liu, Liming; Maksymov, Ivan; Hattori, Haroldo


Nanoantennas have been used in a wide range of applications in sensing, spectroscopy, and imaging-in general, the antennas can enhance physical phenomena such as the local electric field or concentrate light in a certain direction. We have fabricated an array of 80 plasmonic Yagi-Uda nanoantennas on the cladding of an optical fiber and, by doing this, we show that the signal reaching the fast detector can be increased by a factor of 5 dB. The experiment demonstrates that plasmonic directive...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: IEEE Photonics Technology Letters
DOI: 10.1109/LPT.2014.2352339


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