Tianwei Qin

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Optical nanoimaging of laser-switched phase-change plasmonic infrared antennas

Feb 12, 2024 | opg.optica.org | Tianwei Qin |Ming Xu |Xiao Luo |Dunzhu Lu

We investigate the plasmonic properties of laser-printed chalcogenide phase-change material In3SeTb2 (IST) antennas through near-field nanoimaging. Antennas of varying lengths were fabricated by laser switching an amorphous IST film into its crystalline metallic state. Near-field imaging elucidates the pronounced field confinement and enhancement at the antenna extremities along with the emergence of different ordered plasmonic modes with increasing length.
In‐Plane Anisotropic Phonon Polaritonic Resonances with α‐MoO3 Microdisks

Aug 21, 2023 | onlinelibrary.wiley.com | Hongjie Zhang |Xiang Li |Tianwei Qin |Lan Zhang

Conflict of Interest The authors declare no conflict of interest. Supporting Information Filename Description pssr202300302-sup-0001-SuppData-S1.pdf936.1 KB Supplementary Material References 1, , , Nature 2002, 418, 159. 2, , , , , , , Nanophotonics 2015, 4, 44. 3, , , , , Science 2006, 313, 1595. 4, , , , , , Nature 2002, 416, 61. 5, , , , , , J. Heat Transfer 2012, 134, 031023. 6, , , , , , , , , , , , , , , Nano Lett. 2013, 13, 3690. 7, , , , , Nano Lett.

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