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Bahram Djafari-Rouhani on Muck Rack

Bahram Djafari-Rouhani

As seen in: Nature, MDPI, Physical Review B
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Articles

Implementation of reservoir computing using coupled microelectromechanical drum resonators via sideband-pumped phonon–cavity dynamics

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By Guo-En Chang, Jun-Yu Ou, Bahram Djafari-Rouhani, Xin Zhou, Theresa Farah, Loïc Flis, Pierre Laly, Yoshishige Tsuchiya, Yan Pennec
| Nature Verified
Abstract Reservoir computing is a bio-inspired machine learning paradigm that exploits the intrinsic dynamics of nonlinear systems with fading memory for efficient temporal information processing. Microelectromechanical resonators offer a promising platform for reservoir computing as they inherently possess the requisite nonlinear and temporal properties while also facilitating the integration of sensing and computing within a single platform.
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Hermitian and non-Hermitian Weyl physics in synthetic three-dimensional piezoelectric phononic beams

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By Bahram Djafari-Rouhani, Institut d’Electronique, Département de Physique, Liangshu He
| Physical Review B
Abstract Recently, the evolution of the Weyl point (WP) caused by the introduction of nonhermiticity into Weyl semimetals has aroused great research interest. We consider elastic flexural wave propagation in a phononic beam containing piezoelectric materials and introduce nonhermiticity through active regulation of external circuits.
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Bound states in the continuum in circular clusters of scatterers

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By Universitat Jaume I, Bahram Djafari-Rouhani, Cité Scientifique, Marc Martí-Sabaté
| Physical Review B
Abstract In this work we study the localization of flexural waves in highly symmetric clusters of scatterers. It is shown that when the scatterers are placed regularly in the perimeter of a circumference, the quality factor of the resonances strongly increases with the number of scatterers in the cluster.
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