Broadband Nonreciprocal Acoustic Propagation Using Programmable Boundary Conditions: From Analytical Modeling to Experimental Implementation

被引：23

作者：

Karkar, Sami ^{[1
]}

De Bono, Emanuele ^{[1
]}

Collet, Manuel ^{[1
]}

Matten, Gael ^{[2
]}

Ouisse, Morvan ^{[2
]}

Rivet, Etienne ^{[3
]}

机构：

[1] CNRS, Ecole Cent Lyon, UMR5513, LTDS, 36 Ave Guy Collongue, F-69134 Ecully, France

[2] Univ Bourgogne Franche Comte, FEMTO ST Inst, Dept Appl Mech, CNRS,UFC,ENSMM,UTBM, 24 Chemin Epitaphe, F-25000 Besancon, France

[3] Ecole Polytech Fed Lausanne, Acoust Grp, Lab Signal Proc 2, IEL,STI, 10 Route Cantonale, CH-1015 Lausanne, Switzerland

来源：

PHYSICAL REVIEW APPLIED | 2019年 / 12卷 / 05期

关键词：

OPTICAL ISOLATION;

D O I：

10.1103/PhysRevApplied.12.054033

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We theoretically, numerically and experimentally demonstrate the acoustic isolator effect in a one-dimensional waveguide with direction-dependent controlled boundary conditions. A theoretical model is used to explain the principle of nonreciprocal propagation in boundary-controlled waveguides. Numerical simulations are preformed on a reduced model to show the nonreciprocity as well as the passivity of the system through the computation of the scattering matrix and the power delivered by the system. Finally, an experimental implementation validates the potential of programmable boundary conditions for nonreciprocal propagation.

引用

页数：10

共 35 条

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