# Free nanophotonics software

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* [[Meep]] — our finite-difference time-domain (FDTD) package | * [[Meep]] — our finite-difference time-domain (FDTD) package | ||

* [[MPB]] — our electromagnetic eigenmode solver | * [[MPB]] — our electromagnetic eigenmode solver | ||

- | * [http://camfr.sf.net/ CAMFR] — transfer-matrix (via eigenmode expansion) package | + | * [http://camfr.sourceforge.net/ CAMFR] — transfer-matrix/RCWA (via eigenmode expansion) package |

- | * [http://www.sst.ph.ic.ac.uk/photonics/ONYX/orderN.html FDTD code] from the Imperial College at London | + | * [http://www.stanford.edu/group/fan/S4/ S4] — transfer-matrix/RCWA (via Fourier-basis eigenmode expansion) package |

- | * [http://www.welcomes-you.com/radarfdtd/ RadarFDTD], another free FDTD code | + | * [http://www.ee.technion.ac.il/leviatan/smtp/index.htm SMTP], an integral-equation solver for waveguides |

- | Other lists of free (and semi-free, and proprietary) electromagnetic programs include: | + | Feel free to [mailto:stevenj@alum.mit.edu email me] if you have any other free photonis software to suggest. Please do ''not'' suggest shareware, "demo versions" of closed-source programs, etcetera — we're only going to list [http://www.gnu.org/philosophy/free-sw.html free-as-in-freedom software, not free-as-in-beer]. |

- | + | ||

- | * [http://emlib.jpl.nasa.gov/EMLIB/files.html Free EM Software] at JPL. | + | |

- | * [http://www.emclab.umr.edu/codes.html EM software list] at the University of Missouri-Rolla. | + | |

- | * [http://www.si-list.org/swindex2.html Numerical Electromagnetics Code] archives | + | |

- | * [http://www.fdtd.org/Bibtex-db/related-sites.pl FDTD-related sites] at FDTD.org | + |

## Current revision

The following is a list of free/open source computational software for nanophotonic and electromagnetic modelling.

- Meep — our finite-difference time-domain (FDTD) package
- MPB — our electromagnetic eigenmode solver
- CAMFR — transfer-matrix/RCWA (via eigenmode expansion) package
- S4 — transfer-matrix/RCWA (via Fourier-basis eigenmode expansion) package
- SMTP, an integral-equation solver for waveguides

Feel free to email me if you have any other free photonis software to suggest. Please do *not* suggest shareware, "demo versions" of closed-source programs, etcetera — we're only going to list free-as-in-freedom software, not free-as-in-beer.