Farhan Saif

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David Seamon

Kansas State University

Peter Hobson

Queen Mary, University of London

Gordon N Fleming

Pennsylvania State University

Abhas Mitra

Homi Bhabha National Institute (HBNI, BARC, MUMBAI)

Jack Sarfatti

Cornell University

Jonathan D Maltz

Stanford University

Richard Gauthier

Santa Rosa Junior College

Francisco Caruso

Centro Brasileiro de Pesquisas Físicas

Sergey A Khaibrakhmanov

Saint-Petersburg State University

Thomas Curtright

University of Miami

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Papers by Farhan Saif

COVID-19 Pandemic in Pakistan: Stages and Recommendations

We present a real-time forecast of COVID-19 in Pakistan that is important for decision-making to ... more We present a real-time forecast of COVID-19 in Pakistan that is important for decision-making to control the spread of the pandemic in the country. The study helps to develop an accurate plan to eradicate the COVID-19 by taking calculated steps at the appropriate time, that are crucial in the absence of a tested medicine. We use four phenomenological mathematical models, namely Discrete Exponential Growth model, the Discrete Generalized Growth model, the Discrete Generalized Logistic Growth, and Discrete Generalize Richards Growth model. Our analysis explains the important characteristics quantitatively. The study leads to understand COVID-19 pandemic in Pakistan in three evolutionary stages, and provides understanding to control its spread in the short time domain and in the long term domain. For the reason the study is helpful in devising the measures to handle the emerging threat of similar outbreaks in other countries.

Wavelet Signal Processing for Resolution Enhancement in a Recurrence Tracking Microscope

Journal of Russian Laser Research

Fortschritte der Physik/Progress of Physics

Key words Wave packets, one-dimensional box, Talbot effect, Green function. PACS 03.65.-w, 03.75.... more

Multiple electromechanically-induced-transparency windows and Fano resonances in hybrid nano-electro-optomechanics

Physical Review A

We show multiple electromechanically-induced transparency (EMIT) windows in a hybrid nano-electro... more We show multiple electromechanically-induced transparency (EMIT) windows in a hybrid nano-electrooptomechanical system in the presence of two-level atoms coupled to a single-mode cavity field. The multiple EMIT-window profile can be observed by controlling the atom field coupling as well as Coulomb coupling between the two charged mechanical resonators. We derive the analytical expression of the multiple-EMIT-windows profile and describe the splitting of multiple EMIT windows as a function of optomechanical coupling, atom-field coupling, and Coulomb coupling. In particular, we discuss the robustness of the system against the cavity decay rate. We compare the results of identical mechanical resonators to different mechanical resonators. We further show how the hybrid nano-electro-optomechanics coupled system can lead to the splitting of the multiple Fano resonances (MFR). The Fano resonances are very sensitive to decay terms in such systems, i.e., atoms, cavities, and the mechanical resonators.

Farhan Saif

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