Low-Loss Spoof Surface Plasmon Slow-Wave Transmission Lines With Compact Transition and High Isolation

Kianinejad, Amin; Chen, Zhi Ning; Qiu, Cheng‐Wei

doi:10.1109/tmtt.2016.2604807

Cited by 133 publications

(58 citation statements)

References 21 publications

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“…To investigate the transmission loss of the proposed SSPP, a transmission line is developed with the diamond SSPP unit shown in Figure , whose electric field distribution is shown in Figure . A coplanar waveguide to SSPP transition is designed to transform the slot‐wave to the SSPP wave . It can be seen in Figure that the electromagnetic waves are confined tightly along the SSPP transmission line.…”

Section: The Compact Sspp Array With Low Wave‐confinement Sspp Unitmentioning

confidence: 99%

“…A coplanar waveguide to SSPP transition is designed to transform the slot-wave to the SSPP wave. 6,7 It can be seen in Figure 3 A four-way power-divider is developed by using the proposed SSPP unit for feeding the leaky-wave array. Its layouts and geometries are illustrated in Figure 4A.…”

Section: Feeding Network Using the Diamond Sspp Unitmentioning

confidence: 99%

“…By utilizing the strong confinement and high‐efficiency transmission characteristics of the SSPP, power‐dividers, transmission lines, and couplers are reported in Refs. . Moreover, by utilizing a fast wave SSPP with k < k 0 , leaky‐wave antennas are investigated with scanning radiation beams .…”

Section: Introductionmentioning

confidence: 99%

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A compact leaky‐wave antenna using a planar spoof surface plasmon polariton structure

Hao

Zhang

Zhao

2019

Int J RF Microw Comput Aided Eng

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This article presents and validates a leaky‐wave antenna by using the spoof surface plasmon polariton (SSPP) technique. By properly designing the proposed SSPP unit, the SSPP wave can be switched between the confinement and radiation modes. A large radiation efficiency can be achieved by properly designing the modulation depth, which ensures that a compact SSPP leaky‐wave array can be realized by using a small number of SSPP radiation units. To verify the design, a prototype which consists of a SSPP feeding network and a 4 by 4 SSPP radiation units has been fabricated by using a low cost FR‐4 substrate. A good agreement between simulated and measured results has been obtained. The proposed array antenna shows the promising capability of the SSPP technique for leaky‐wave antenna applications.

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Section: The Compact Sspp Array With Low Wave‐confinement Sspp Unitmentioning

confidence: 99%

Section: Feeding Network Using the Diamond Sspp Unitmentioning

confidence: 99%

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A compact leaky‐wave antenna using a planar spoof surface plasmon polariton structure

Hao

Zhang

Zhao

2019

Int J RF Microw Comput Aided Eng

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“…Afterward, SSPPs have inspired intensive interest in microwave community. Extensive applications based on SSPPs waveguide have been reported, including transmission line [28][29][30], filters [31][32][33], and wave splitters [34][35][36].…”

Section: Introductionmentioning

confidence: 99%

A Compact Endfire Radiation Antenna Based on Spoof Surface Plasmon Polaritons in Wide Bandwidth

Zhuang¹,

Geng²,

Ding³

et al. 2019

PIER M

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A compact slot-coupled endfire radiation antenna based on a tapering spoof surface plasmon polaritons (SSPPs) structure with high efficiency is proposed in this paper. A narrow slot balun is designed to feed the SSPPs structure rather than to work as the primary radiator. Simulated results show that the odd SPP mode is successfully excited on the tapering SSPPs structure, which contributes to the endfire radiation. Due to the high confinement of SSPPs, the proposed antenna shows low RCS within the frequency band of 1.5 GHz-4 GHz and 5.6 GHz-8 GHz. A prototype is fabricated and tested. Simulated and measured results show good agreement that the proposed antenna can provide stable endfire radiation patterns within the frequency band of 2 GHz-3.4 GHz. The maximum gain reaches 8 dBi, and the average efficiency over this bandwidth is 80%. The high-efficiency endfire SSPPs antenna with balanced broad band and high gain has a promising application in communication systems and integrated circuits.

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“…Spoof surface plasmon (SSP), which is the replacement of surface plasmon polariton (SPP) in the microwave and terahertz regimes, possesses intriguing properties of subwavelength confinement and local field enhancement. Thus, it becomes ubiquitous in diverse areas ranging from perfect absorbers [1], and sub-diffraction imaging [2][3][4] to microwave waveguides [5,6], etc. The existence of SSP has been proved in structured periodic arrays such as metal gratings.…”

mentioning

confidence: 99%

Terahertz dual phase gradient metasurfaces: high-efficiency binary-channel spoof surface plasmon excitation

et al. 2020

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Spoof surface plasmon meta-couplers are compact antennas which link propagating waves and surface waves. However, most of them are designed with a fixed phase gradient and channel for the incident waves with specific polarization, which limits their further applications in multichannel scenarios. In this Letter, we propose, to the best of our knowledge, a new method that combines the Brillouin folds theory with the Generalized Snell Law. We demonstrate that when the phase gradient of the metasurface is large enough, Brillouin folds effect will occur, which will create dual phase gradient space in a single metasurface. With this method, we design two novel terahertz meta-couplers with functionalities of symmetrical and asymmetrical binary-channel/bidirectional SSP excitation. Furthermore, finite element method (FEM) simulations are performed to demonstrate their functionalities. Considering the orthogonality of the incident waves, there can be a total of four independent space channels to excite SSP on one metasurface. This work may open up new routes in multi-channel SSP meta-couplers and multi-beam surface wave antennas.

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Low-Loss Spoof Surface Plasmon Slow-Wave Transmission Lines With Compact Transition and High Isolation

Cited by 133 publications

References 21 publications

A compact leaky‐wave antenna using a planar spoof surface plasmon polariton structure

A compact leaky‐wave antenna using a planar spoof surface plasmon polariton structure

A Compact Endfire Radiation Antenna Based on Spoof Surface Plasmon Polaritons in Wide Bandwidth

Terahertz dual phase gradient metasurfaces: high-efficiency binary-channel spoof surface plasmon excitation

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