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|Title:||Hybrid phase-change plasmonic crystals for active tuning of lattice resonances|
|Citation:||Chen, Y.G., Kao, T.S., Ng, B., Li, X., Luo, X.G., Luk'yanchuk, B., Maier, S.A., Hong, M.H. (2013-06-03). Hybrid phase-change plasmonic crystals for active tuning of lattice resonances. Optics Express 21 (11) : 13691-13698. ScholarBank@NUS Repository. https://doi.org/10.1364/OE.21.013691|
|Abstract:||Tunable lattice resonances are demonstrated in a hybrid plasmonic crystal incorporating the phase-change material Ge2Sb2Te5 (GST) as a 20-nm-thick layer sandwiched between a gold nanodisk array and a quartz substrate. Non-volatile tuning of lattice resonances over a range of about 500 nm (1.89 μm to 2.27 μm) is achieved experimentally via intermediate phase states of the GST layer. This work demonstrates the efficacy and ease of resonance tuning via GST in the near infrared, suggesting the possibility to design broadband non-volatile tunable devices for optical modulation, switching, sensing and nonlinear optical devices. © 2013 Optical Society of America.|
|Source Title:||Optics Express|
|Appears in Collections:||Staff Publications|
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