Postdoc in High-Performance Optical Transmission Systems

Monday 15 Jun 20

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High-capacity optical transmission of data has been a prerequisite for the Internet reaching its current omnipresence in people’s lives. As innovation in all aspects of society includes an ever-increasing level of connectivity, optical data transmission must continue to evolve rapidly. After an era where wavelength multiplexing has been a main driver in increasing data transmission, many researchers and system providers now believe that spatial multiplexing may be the next viable technology to continue this necessary increase of data transmission.

This postdoc project, will investigate spatial multiplexing in the form of multi-core optical fibre used for long-haul data transmission. The project will target demonstration of record-breaking reach and data throughput in such a transmission system. 

The Postdoc project will be nested in the High-Speed Optical Communications group (HSOC) at the Technical University of Denmark (DTU Fotonik). The HSOC group is engaged with research in optical communication technology at the highest international level. It is the expectation that this Postdoc project will become an integral part of many of the communication systems activities in the group. 

The project will have access to on-site state-of-the-art experimental facilities for which the Postdoc is expected to become one of the main super-users. 

Responsibilities and tasks
This Postdoc position will target experimental and theoretical investigations of the topics below:  

  • Design of an ultra-long-haul multicore fibre transmission system.
  • Implementation of the system including component selection and validation.
  • Detailed performance investigation of the transmission system.
  • System level investigation of other advanced functionalities in optical communication systems. This could include optical signal processing, advanced modulation or coding schemes, compensation of optical nonlinearities or signal regeneration.
The exact research activities will be continuously adapted to align with the international state of the art and the Postdoc candidate’s ideas and interests. 

Candidates should have a PhD degree or equivalent. 

The successful candidate is expected to have experience and expertise in one or more of the following subjects:    
  • Optical communication systems.
  • Optical fibre technology.
  • Digital signal processing for communications.
  • Scientific method in research.
  • Good communication skills in English, both written and spoken.
We offer
DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice. We offer a rewarding and challenging job in an international environment. We strive for academic excellence in an environment characterized by collegial respect and academic freedom tempered by responsibility. 

Salary and appointment terms
The appointment will be based on the collective agreement with the Confederation of Professional Associations. The allowance will be agreed with the relevant union. The period of employment is 24 months. 

The place of work is DTU Fotonik at DTU Lyngby Campus. 

You can read more about career paths at DTU here

Further information
Further information may be obtained from Associate Professor Michael Galili, e-mail:
or Professor Leif K. Oxenløwe, e-mail:

You can read more about DTU Fotonik on

Please submit your online application no later than 15 August 2020 (23:59 local time)
Applications must be submitted as one pdf file containing all materials to be given consideration. To apply, please open the link "Apply online," fill in the online application form, and attach all your materials in English in one pdf file. The file must include: 
  • Application (cover letter)
  • CV
  • Diploma (MSc/PhD)
  • List of publications
Applications and enclosures received after the deadline will not be considered. 

All interested candidates irrespective of age, gender, disability, race, religion or ethnic background are encouraged to apply. 

DTU Fotonik has 210 employees with competences in optics and is one of the largest centers in the world based solely on research in photonics. Research is performed within quantum photonics, optical sensors, lasers, LEDs, photovoltaics, ultra-high speed optical transmission systems, bio-photonics, and nano-optics. 

Technology for people
DTU develops technology for people. With our international elite research and study programmes, we are helping to create a better world and to solve the global challenges formulated in the UN’s 17 Sustainable Development Goals. Hans Christian Ørsted founded DTU in 1829 with a clear vision to develop and create value using science and engineering to benefit society. That vision lives on today. DTU has 11,500 students and 6,000 employees. We work in an international atmosphere and have an inclusive, evolving, and informal working environment. Our main campus is in Kgs. Lyngby north of Copenhagen and we have campuses in Roskilde and Ballerup and in Sisimiut in Greenland.