Dynamic cosine-Gauss plasmonic beam through phase control

Dynamic cosine-Gauss plasmonic beam through phase control

We carry out an approach to dynamic manipulation of a nondiffracting cosine-Gauss plasmonic beam (CGPB) illuminated with an incident phase modulation within nanostructures by a spatial light modulator (SLM). By changing the hologram addressed on the SLM, dynamic control on the lobe width and the pro...

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Bibliographic Details
Main Authors: Xiao, Kai, Wei, Shibiao, Min, Changjun, Yuan, Guanghui, Zhu, S. W., Lei, T., Yuan, X. -C.
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2014
Subjects:
DRNTU::Science::Physics
Online Access:https://hdl.handle.net/10356/103647
http://hdl.handle.net/10220/20027
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Institution: Nanyang Technological University
Language: English
Description
Summary:We carry out an approach to dynamic manipulation of a nondiffracting cosine-Gauss plasmonic beam (CGPB) illuminated with an incident phase modulation within nanostructures by a spatial light modulator (SLM). By changing the hologram addressed on the SLM, dynamic control on the lobe width and the propagating direction of the CGPB is experimentally verified. Finally, we demonstrate an application example of this dynamic CGPB in routing optical signals to multichannel subwavelength wave guides through numerical simulation.

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