Lars Grüner-Nielsen

Research Specialist

Lars Grüner-Nielsen

Department of Electrical and Photonics Engineering

Ørsteds Plads

Building 343 Room 132

2800 Kgs. Lyngby




Lars Grüner-Nielsen


Few mode fibers and applications Mode multiplexers Photonic lanterns Long period gratings Characterization of few mode fibers and components

Lars Grüner-Nielsen was born in Copenhagen, Denmark in 1959. He received his master’s degree in electrical engineering and Ph.D. degree in optical fibers from the Technical University of Denmark in 1983 and 1998 respectively.  From 1983 to 1994, he worked at the Danish cable manufacture NKT’s R\&D department for optical cables. In 1991 he was promoted to section manager. From 1994 to 2016 he worked in the R\&D department at OFS in Denmark. At OFS, he has been working on development of new fibers for transmission, optical signal processing, sensing, and short pulse lasers. In 2000 he became a Project Manager. In 2008 he was promoted to OFS Fellow. In 2017 he founded Danish Optical Fiber Innovation, where he is now the CEO. In 2018 he joined DTU Fotonik at the Technical University of Denmark as a Research Specialist. He has authored or co-authored more than 280 scientific publications within the field of fiber optics. He has a Google Scholar h-index of 44 and a i10-index of 136. He has 24 granted patents. Dr. Grüner-Nielsen is a member of OSA and IEEE. In 2000 he received the electro price from the Danish Society of Engineers. From 2004 - 2007 he was member of the ECOC technical program committee. He has also served as reviewer for several journals among others: Journal of Lightwave Technology, Applied Optics, Photonics Technology Letters, Optics Communications, and Optics Letters. He has been supervisor for 11 Ph.D. students and been external examiner at DTU Fotonik on several master and Ph.D.