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Photoresponse enhancement in nanoscale Ge photodetector through split bull's eye shaped plasmonic antenna

Ren, Fang-Fang; Ang, Kah-Wee; Yu, M.B.; Lo, G.Q.; Shi, Yi


We exploit the idea of split bull's eye antenna for a nanometer-scale germanium photodetector operating at a standard communication wavelength of 1310 nm. The nontraditional plasmonic metal aluminum has been implemented in the resonant antenna structure fabricated by standard CMOS processing. A significant enhancement in photoresponse is achieved in split bull's eye scheme due to an increased optical near-field in the active region.

CollectionsANU Research Publications
Date published: 2011
Type: Conference paper
Source: 2011 Int. Quantum Electron. Conf., IQEC 2011 and Conf. Lasers and Electro-Optics, CLEO Pacific Rim 2011 Incorporating the Australasian Conf. Optics, Lasers and Spectroscopy and the Australian Conf.
DOI: 10.1109/IQEC-CLEO.2011.6194021


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