NG-PON2 transmission convergence layer: A tutorial

The first family of multi-wavelength PON systems, 40-gigabit-capable capable passive optical networks (NG-PON2), has been specified by the Telecommunication Standardization Sector of the International Telecommunications Union (ITU-T). This tutorial, which is based on the author's ECOC'2015 presentation on the topic, offers a comprehensive review of the NG-PON2 transmission convergence layer specification, and is addressed to a wide range of readers who are active in the field of optical communications.