New monitoring concepts for optical access networks. - Jörg Hehmann; Thomas Pfeiffer 001 (Bell Labs Tech. J., 2008)

Embedded OTDR measurement range extension for future metro-access networks employing in-line SOAs. - Harald Schmuck; Michael Straub; Rene Bonk; Jörg Hehmann; Thomas Pfeiffer 001 (ECOC, 2014)

In-Service Monitoring of PON Access Networks With Powerline Independent Devices. - Moritz Röger; Benian Hiba; Jörg Hehmann; Michael Straub; Harald Schmuck; Matthias Hedrich; Thomas Pfeiffer 001; Christian Koos; Juerg Leuthold; Wolfgang Freude (JOCN, 2014)

Remotely powered intelligent splitter monitor for fiber access networks. - Jörg Hehmann; Michael Straub; Lothar Jentsch; Mark P. Earnshaw; N. Prasanth Anthapadmanabhan; Thomas Pfeiffer 001 (ECOC, 2015)

Remotely Powered Inline OTDR Unit with Unique Identification Possibility of Power Splitter Branches for Use in Access Network Applications. - Michael Straub; Lothar Jentsch; Jörg Hehmann; Thomas Pfeiffer 001; Rene Bonk (ECOC, 2018)