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UID:31436-1648141200-1648148400@www.dica.polimi.it
SUMMARY:Phononic Frequency Combs
DESCRIPTION:Giovedì 24 Marzo si terrà (online su Teams) un seminario tenuto da Adarsh Ganesan\, Postdoctoral Researcher presso il National Institute of Standards and Technology (NIST)\, dal titolo “Phononic Frequency Combs”. \nClicca qui per partecipare all’evento. \nAbstract \nPhononic frequency combs (PFC) are the mechanical analogs of celebrated photonic frequency combs. These represent a newly documented physical phenomenon in the well researched physical domain of mechanical resonators [1]. The emergence of PFC is mediated by nonlinear modal coupling. Through a series of experiments with mechanical devices\, various features of PFC have now been identified. These include drive parameters for comb operation\, hysteresis for comb spectrum tailoring and growth\, saturation and attenuation mechanisms of combs\, and nonlinear sensitivity to physical perturbations. My talk will describe the physics of phononic frequency combs and will emphasize how these combs could be foundational to the fields of materials science\, molecular science and quantum information science. In that respect\, I will also present our first conceptual demonstrations of material combs\, molecular combs and active-cavity optomechanics respectively. The future work will be focused on the fundamental contributions leading to the convergence of phononic frequency combs and these disparate fields. \n[1] Ganesan\, A.\, Do\, C. and Seshia\, A.\, 2017. Phononic frequency comb via intrinsic three-wave mixing. Physical review letters\, 118(3)\, p.033903 
URL:https://www.dica.polimi.it/it/evento/phononic-frequency-combs/
CATEGORIES:Seminari e conferenze
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