21 citations · 70 across the 20 of their papers we have counts for
20 papers
Time-Domain Excitation of Finite-Lifetime Resonances and Their Exceptional Points
Asaf Farhi, Dror Hershkovitz, Andrea Alu +1
Resonances associated with complex-frequency poles are ubiquitous across physics and can arise in any open system, ranging from subwavelength particles and cavities to biological s…
Driven Atoms and Molecules as Coherent Attosecond Waveform Processors
Asaf Farhi
Advancing temporal resolution in computation, signal modulation, and quantum measurement is fundamentally constrained in optical resonator platforms by a trade-off between operatio…
Universal framework for anisotropic particles with resonance laws and splitting
Asaf Farhi, Haim Suchowski
Nanophotonics enables precise control over light-matter interactions, though most established design frameworks for subwavelength nanoparticles rely on isotropic materials. Uniaxia…
Localized Resonant Phonon Polaritons in Biaxial Nanoparticles
Daniel Beitner, Asaf Farhi, Ravindra Kumar Nitharwal +5
The discovery of localized plasmon polariton resonances has been pivotal in enabling tunability of the optical resonance. Recently, extensive research efforts have aimed to expand…
Efficient General Waveform Catching by a cavity at a Virtual Absorbing Exceptional Point
Asaf Farhi, Wei Dai, Seunghwi Kim +2
State transfer and photon detection are fundamental processes that have direct implications in fields such as quantum computing and photonic circuits. However, while naturally emit…
Generating and processing optical waveforms using spectral singularities
Asaf Farhi, Alexander Cerjan, A. Douglas Stone
We show that a laser at threshold can be utilized to generate the class of coherent and transform-limited waveforms at optical freque…
Excitation of absorbing exceptional points in the time domain
Asaf Farhi, Ahmed Mekawy, Andrea Alu +1
We analyze the time-domain dynamics of resonators supporting exceptional points (EPs), at which both the eigenfrequencies and the eigenmodes associated with perfect capture of an i…
Purcell factors and Forster resonance energy transfer in proximity to helical structures
Asaf Farhi, Aristide Dogariu
Both spontaneous emission and resonant energy transfer can be enhanced significantly when the emitter is placed in the vicinity of metallic or crystal structures. This enhancement…
Coupling electrodynamic fields to vibrational modes in helical structures
Asaf Farhi, Aristide Dogariu
Helical structures like alpha helices, DNA, and microtubules have profound importance in biology. It has been suggested that these periodic arrangements of constituent units could…
Three-dimensional-subwavelength field localization, time reversal of sources, and infinite-asymptotic degeneracy in spherical structures
Asaf Farhi
High-resolution field localization in three dimensions is one of the main challenges in optics and has immense importance in fields such as chemistry, biology, and medicine. In ord…
Generating an electromagnetic multipole by oscillating currents
Asaf Farhi, David J. Bergman
Based on the relation between a plane phased array and plane waves we show that a spherical current layer or a current sphere proportional to a multipole electric field and situate…
The electric field of a point charge in a spherical inclusion structure
Asaf Farhi, David J. Bergman
A point charge in the presence of a metallic nanoshpere is a fundamental setup, which has implications for Raman scattering, enhancement of spontaneous emission of a molecule by an…
Eigenstates of the full Maxwell equations for a two-constituent composite medium and their application to a calculation of the local electric field of a time dependent point electric dipole in a flat-slabs microstructure
Asaf Farhi, David J. Bergman
An exact calculation of the local electric field is described for the case of a time dependent point electric dipole in the top layer of an $ε_…
Calculation of molecular free energies in classical potentials
Asaf Farhi
Free energies of molecules can be calculated by quantum computations or by normal mode classical calculations. However, the first can be computationally impractical for large molec…
Free energy calculation of a molecule by removing VDW and Coulomb interactions in a transformation and treating the molecule as non interacting systems
Asaf Farhi, Bipin Singh
Free energy calculations in molecular simulations have a variety of applications including determining the strength of molecular processes such as solvation and binding. It has bee…
Exact analysis of a Veselago lens in the quasi-static regime
Asaf Farhi, David J. Bergman
The resolution of conventional optical lenses is limited by the wavelength. Materials with negative refractive index have been shown to enable the generation of an enhanced resolut…
A novel method for calculating relative free energy of similar molecules in two environments
Asaf Farhi, Bipin Singh
Calculating relative free energies is a topic of substantial interest and has many applications including solvation and binding free energies, which are used in computational drug…
A general, efficient and robust method to calculate free energy difference between systems
Asaf Farhi
Calculating free energy differences is a topic of substantial interest and has many applications including molecular docking and hydration, solvation, and binding free energies whi…
Comparing secondary structures of RNA and calculating the free energy of an interior loop using a novel method for calculating free energy
Asaf Farhi
The thesis consists of two projects. In the first project, we present a software that analyses RNA secondary structures and compares them. The goal of this software is to find the…
Temperature Integration: an efficient procedure for calculation of free energy differences
Asaf Farhi, Guy Hed, Michael Bon +3
We propose a method, Temperature Integration, which allows an efficient calculation of free energy differences between two systems of interest, with the same degrees of freedom, wh…