Professor Leif Katsuo Oxenløwe is the Centre Leader of the Research Centre of Excellence SPOC (Silicon Photonics for Optical Communications) supported by the Danish National Research Foundation, and the group leader of the High-Speed Optical Communications group at the Department of Electrical and Photonics Engineering, at the Technical University of Denmark (DTU).

His research interests are high-capacity optical communications, integrated photonics, nonlinear optics and optical signal processing, and quantum communication. He has authored or co-authored more than 500 peer reviewed publications, including 30 postdeadline papers at major conferences. He is a member of The Royal Danish Academy of Sciences and Letters, a Fellow of the Optical Society, Senior Member of the IEEE Photonics Society, served on the IEEE PS board of Governors, and has received the Director Ib Henriksen Researcher Award, the Celtic-Plus Innovation Award, the EU H2020 Innovation Prize, the Electro-Award (Elektropris) from Elektrofondet, and several best paper awards. He is the recipient of an ERC grant, a DFF Sapere Aude grant, a DNRF CoE grant, two IFD Grand Solutions Grants, and multiple other project grants.

He received the B.Sc. degree in physics and astronomy from the Niels Bohr Institute, University of Copenhagen, Denmark in 1996. In 1998 he received the International Diploma of Imperial College, London, UK and the M.Sc. degree from the University of Copenhagen. He received the Ph.D. degree in 2002 from DTU and is since 2009 Professor of Photonic Communication Technologies.