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- Title
Reconfigurable Mach–Zehnder interferometer for dynamic modulations of spoof surface plasmon polaritons.
- Authors
Cui, Wen Yi; Zhang, Jingjing; Gao, Xinxin; Cui, Tie Jun
- Abstract
In the same year, Zhang et al. analyzed the loss mechanism of resistor loaded on the SSPP unit, providing a new method to predict the attenuation of lossy active SSPP devices [[26]]. The proposal of active SSPP device can overcome this inflexibility by incorporating active elements, such as diode, transistor, and state-change medium, into the SSPP structures. Keywords: amplitude modulation; frequency modulation; Mach-Zehnder interferometer; reconfigurable device; spoof surface plasmon polaritons EN amplitude modulation frequency modulation Mach-Zehnder interferometer reconfigurable device spoof surface plasmon polaritons 1913 1921 9 05/12/22 20220401 NES 220401 1 Introduction Surface plasmon polaritons (SPPs) are highly localized surface waves that propagate along the interface between two materials whose real parts of permittivity are positive and negative (such as air and metal in the optical frequency), respectively. Gao et al. proposed a multi-functional device composed of two active SSPP waveguides and a substrate integrated waveguide (SIW) [[29]], where the control of the cutoff frequencies enables the device to switch between a power divider and a band-pass filter.
- Subjects
POLARITONS; WIRELESS channels; VARACTORS; PHASE shift keying; FREQUENCY shift keying; INTERFEROMETERS; WIRELESS communications
- Publication
Nanophotonics (21928606), 2022, Vol 11, Issue 9, p1913
- ISSN
2192-8606
- Publication type
Article
- DOI
10.1515/nanoph-2021-0539