Optical fibre system simulator
Pyofss allows construction of an optical fibre system from separate modules. A typical system consists of a Gaussian pulse generator module and an optical fibre module. The field generated is propagated through the fibre by numerical integration of an appropriate Schrödinger-type equation.
Simulated effects include that of dispersion (second, third, and higher order), attenuation, self-phase modulation, self-steepening, and Raman scattering. Resulting field profiles (including multiple traces for the fibre module) can be visualised using a range of plot types. These include standard x-y plots, top-down “map” plots, three-dimensional “waterfall” plots, and animation videos.
Pyofss is available on PyPI and can be retrieved using the pip program:
sudo aptitude install python-pip pip install pyofss
Then import pyofss within scripts or in an interactive session:
>>> import pyofss
Pyofss depends on Numpy, Scipy, and Matplotlib. They can be installed on Linux distributions using aptitude:
sudo aptitude install python-numpy python-scipy python-matplotlib
The recommended dependency versions are listed in the requirements.txt file within the pyofss package. Install each of these dependencies using pip:
pip install -r requirements.txt
It is recommended to install pyofss into a virtual environment, which can be initialised using:
sudo aptitude install python-virtualenv sudo pip install virtualenvwrapper mkvirtualenv pyofss workon pyofss
Pyofss dependencies can then be satisfied using:
pip install numpy pip install scipy sudo aptitude build-dep python-matplotlib pip install matplotlib
Install the latest development version of pyofss from GitHub:
pip install git+https://github.com/daibo/pyofss.git
Tests can be run within the pyofss package:
python setup.py test
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