Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/157432
Title: Non-magnetic spoof plasmonic isolator based on parametric amplification
Authors: Gao, Xinxin
Zhang, Jingjing
Ma, Qian
Cui, Wen Yi
Ren, Yi
Luo, Yu
Cui, Tie Jun
Keywords: Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics
Issue Date: 2022
Source: Gao, X., Zhang, J., Ma, Q., Cui, W. Y., Ren, Y., Luo, Y. & Cui, T. J. (2022). Non-magnetic spoof plasmonic isolator based on parametric amplification. Laser & Photonics Reviews, 16(4), 2100578-. https://dx.doi.org/10.1002/lpor.202100578
Project: MOE2018-T2-2-189 (S)
A20E5c0095
A18A7b0058
NRF220 CRP22-2019-0006
NRF-CRP23-2019-0007
Journal: Laser & Photonics Reviews
Abstract: Driven by the miniaturization of integrated electronics, research on spoof plasmonic circuits has recently aroused widespread interest. On the other hand, nonreciprocal devices, such as isolators and circulators, are key components of integrated electronic systems. However, bulky magnets required to realize isolation and circulation prevent the application of traditional nonreciprocal technologies to integrated systems. Here, parametric amplification is explored to achieve magnetic-free plasmonic isolation, and an ultrathin reconfigurable spoof plasmonic isolator is realized experimentally. In this isolation system, the forward signal amplified by a spoof plasmonic parametric amplifier is coupled to a second linear plasmonic waveguide via a spoof localized surface plasmon resonator, whereas the transmission from the inverse direction is prohibited, giving rise to a measured isolation ratio of up to 20 dB. By tuning the nonlinear phase-matching condition through external bias voltage, multi-frequency isolation of spoof surface plasmon polariton (SSPP) signals is also realized experimentally. This work demonstrates the possibility of producing miniaturized and low-cost non-reciprocal SSPP devices, holding great promise for applications in nonmagnetic information processing and radar detection.
URI: https://hdl.handle.net/10356/157432
ISSN: 1863-8880
DOI: 10.1002/lpor.202100578
Schools: School of Electrical and Electronic Engineering 
Rights: This is the peer reviewed version of the following article: Gao, X., Zhang, J., Ma, Q., Cui, W. Y., Ren, Y., Luo, Y. & Cui, T. J. (2022). Non-magnetic spoof plasmonic isolator based on parametric amplification. Laser & Photonics Reviews, 16(4), 2100578-, which has been published in final form at https://doi.org/10.1002/lpor.202100578. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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