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Coupled-dipole simulations for electromagnetic scattering of light by sub-wavelength particles in arbitrary 3-dimensional configurations.

Coupled Dipole Approximation (CDA)

Coupled Dipole Approximation with Linux parallel compatibility.

CDPDS  Coupled dipole method-based photonic dispersion solver

A photonic band dispersion solver based on the coupled dipole method called CDPDS, which aims to provide an analytical computation of bulk and boundary dispersions and topological phases of a one-dimensional and two-dimensional photonic crystal consisting of an array of particles.


The code can handle N scatterer systems in arbitrary settings, but shines for cyclic polygon settings


Rank-one Decomposition accelerated DDA method (RD-DDA)

Link (2 May 2023)



Extended DDA (e-DDA)

Extended discrete dipole approximation, DDA application to bianisotropic media.


The electromagnetic transmission-scattering problem. The method is an efficient weak coupling formulation between the boundary element method and the high-order finite element method. The approach is based on the use of a non-overlapping domain decomposition method involving quasi-optimal transmission operators. 

IF-DDA Idiot Friendly-Discrete dipole approximation

IF-DDA is a numerical tool for solving the electromagnetic scattering problem in three dimensions. IF-DDA is based on the DDA (discrete dipole approximation) which is a volume-integral equation method.

  • Link (25 Apr 2021)



The Foldy-Lax equation is generalized for a medium which consists of particles with both electric and magnetic responses. The result is used to compute fields scattered from ensembles of particles.



Matlab repository for computing electromagnetic scattering by dielectric particles.

  • Link (28 Dec 2020)

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