Higher order interactions in magneto-inductive waveguides

Syms, R.R.A.; Sydoruk, O.; Shamonina, E.; Solymár, L.

doi:10.1016/j.metmat.2007.02.005

Cited by 28 publications

(41 citation statements)

References 19 publications

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“…In addition to reducing loss and improving manufacturability, this arrangement should reduce the relative size of non-nearest neighbour coupling, a feature that has complicated understanding and development of magneto-inductive devices [15]. However, departures from ideal behaviour are still likely to arise from parasitic capacitances C 1 between the tracks of overlapping inductors and C 2 between the plates of adjacent capacitors.…”

Section: Designmentioning

confidence: 99%

“…The inductance L was assumed to be accurately determined. 15 The resonant frequency f 0 ' (an approximation to f 0 obtained by matching theory to experiment), Q-factor and coupling coefficient κ were then adjusted to fit the centre frequency, bandwidth and maximum transmission, respectively. Figure 6b shows a typical comparison between experiment and theory for the frequency variation of S-parameters of Designs A and G, assuming R L = 50 Ω.…”

Section: Comparison With Theorymentioning

confidence: 99%

“…The resonant element is a simple L-C circuit, which is magnetically coupled to its neighbours by a mutual inductance M as shown in configurations, in which M is positive and negative, respectively. MI waves have been studied extensively, in one-dimensional (1D) waveguides [12][13][14][15] and in 2D and 3D…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Thin-film magneto-inductive cables

Syms¹,

Solymár²,

Young³

et al. 2010

J. Phys. D: Appl. Phys.

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Section: Designmentioning

confidence: 99%

Section: Comparison With Theorymentioning

confidence: 99%

See 1 more Smart Citation

Thin-film magneto-inductive cables

Syms¹,

Solymár²,

Young³

et al. 2010

J. Phys. D: Appl. Phys.

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“…Similar work is reported in [2] by Sun and Akyildiz. Figure 2 shows the general framework for magnetic waveguides as a chain of resonant loops [16,17,21]. The source loop transmits information and this is relayed by the relaying nodes until the signal reaches the receiver.…”

Section: Communication Channelsmentioning

confidence: 99%

“…Thus when the traditional magneto-inductive wave is present a positive value is obtained. A negative value indicates the presence of an evanescent wave with sign changes [21]. To illustrate the behavior of the MI waveguide the path loss expression is simplified into the so-called AM2 link budget and provides insight into the achievable range.…”

Section: Magnetic Waveguide Link: Modelmentioning

confidence: 99%

Investigation of Near Field Inductive Communication System Models, Channels and Experiments

Agbinya¹

2013

PIER B

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Abstract-Near-field inductive channels created between two or more magnetically coupled inductive nodes are studied in this paper. Peerto-peer configurations and array architectures are discussed. The array channels are used for cooperative relaying with inductive methods with potential to provide range extension and enhanced data rate access in magnetic induction communication systems. The received power shows the presence of the nearest neighbour interactions and the influences of higher order coupling from nodes two or more positions away from the receiver. This influence causes phase changes in the communication system. Four methods of exciting the antenna arrays are proposed. These are array edge excitation, center excitation, collinear array excitation and multi-array excitation. Experiments with hardware nodes show that while array edge excitation provides increased power at the array edge, it is out performed by array center excitation which results to twice the power captured at the array center node compared to the power captured at edge excited first element. We demonstrate by example that a receiver is influenced most by its neighbouring nodes on both sides and that the effects of second and third tier neighbours are relatively insignificant.

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New degrees of freedom in nonlinear metamaterials

Lapine

2017

Phys. Status Solidi B

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This is an overview of the recent achievements in exploiting novel degrees of freedom in metamaterial design, which enable sophisticated nonlinear coupling mechanisms and bring enhancement to nonlinear behavior. One of the novel paradigms makes use of mechanical feedback, achieved by embedding electromagnetic resonators within elastic medium or engineering explicit elastic links between them, such as rotational feedback. These designs provide broad‐band self‐adjustable resonances, self‐oscillations, chaotic regimes, nonlinear chirality and, spontaneous chiral symmetry breaking. With this respect, a range of implementations has been analyzed, from flexible helices for microwaves to artificial electrostriction in optics. Another concept benefits from multi‐frequency operation, where the properties in completely distinct frequency ranges become entangled through specific metamaterial design –for example, direct optical coupling can be introduced between microwave resonators, providing an independent interaction channel. It was also found that hyperbolic metamaterials can bring notable benefits to classical nonlinear processes by imposing unusual phase matching solutions, with a rich choice of matching combinations. Finally, the boundary structure of metamaterials add yet another possibility to control their properties. Overall, the recent progress in these topics suggests a very positive outlook into the future of nonlinear metamaterials.

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Higher order interactions in magneto-inductive waveguides

Cited by 28 publications

References 19 publications

Thin-film magneto-inductive cables

Thin-film magneto-inductive cables

Investigation of Near Field Inductive Communication System Models, Channels and Experiments

New degrees of freedom in nonlinear metamaterials

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