Abstract
We show that the local electric field distribution of propagating plasmons along silver nanowires can be imaged by coating the nanowires with a layer of quantum dots, held off the surface of the nanowire by a nanoscale dielectric spacer layer. In simple networks of silver nanowires with two optical inputs, control of the optical polarization and phase of the input fields directs the guided waves to a specific nanowire output. The QD-luminescent images of these structures reveal that a complete family of phase-dependent, interferometric logic functions can be performed on these simple networks. These results show the potential for plasmonic waveguides to support compact interferometric logic operations.
Original language | English |
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Pages (from-to) | 471-475 |
Number of pages | 5 |
Journal | Nano Letters |
Volume | 11 |
Issue number | 2 |
DOIs | |
Publication status | Published - 9 Feb 2011 |
Externally published | Yes |
Keywords
- interference
- local field distribution
- logic
- network
- Plasmon
- silver nanowire