Pierluigi Poggiolini of the OptCom group has given a tutorial talk at OFC 2016 in Anaheim titled "Recent Advances in Non-linear Fiber Propagation Modeling". The slides of his speech can be downloaded at the bottom of this post, in the attachment section. You may need to click "read more" to get there.
The presentation has also been recorded and can be viewed at the OFC 2016 website (you need attendee credentials to view it).
The abstract of the tutorial follows: