Postdoc in Distributed Optical Fiber Sensing

mandag 19 jul 21

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Frist 15. august 2021
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DTU Fotonik works within all areas of photonics engineering, including optical communications, photonics for bio and health technology, quantum photonics and photonics for green and sustainable societies. In relation to ensuring efficient power supply from sustainable energy resources of the future, we are hereby announcing an open Post doc position within distributed optical fiber sensing. The project is part of a so-called grand solutions project funded by Innovation fund Denmark. The project will start august 2021, and run for three years, and is a joint effort between Danish National Metrology institute (DFM), NKT, Danish optical fiber innovation (DOFI) Sensohive, Marlink, Energinet and DTU Fotonik.    

Responsibilities and qualifications
The post Doc will be responsible for design and development of next-generation distributed fiber sensors. The Post Doc will focus on long-range amplifier-assisted distributed optical fiber sensors where the overall is to reach a sensing distance of 200 km. In addition, the Post doc will be involved with research related to evaluation of few-mode fiber based distributed sensors with the capability to discriminate temperature and strain variations.

The effort within the position includes basic experimental design and characterization of distributed sensor systems in a test bench system that will be establish in part by the Post Doc. In addition, the post doc is expected to take part in development of the necessary technologies used for distributed optical fiber sensors e.g. photonic lanterns for multiplexing signals into state of the art few mode fibers, and validation of developed sensing systems. A significant part of the effort, especially regarding validation will be performed in close collaboration with the Danish national metrology institute, however, the Post doc will also collaborate with other relevant partners in the project e.g. DOFI, NKT, Sensohive, Marlink og Energinet.

The post doc position will mainly involve experimental work supported by necessary theoretical/numerical predictions.

As a formal qualification, you must hold a PhD degree (or equivalent). Candidates with prior knowledge within experimental research in optical fiber technologies, single mode as well as multimode optics, mode analysis and data processing will be preferred but candidates with a strong background within experimental fiber optics are also encouraged to apply. 

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 terms of employment
The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed upon with the relevant union. 

The period of employment is 2.5 years, preferred starting date: October 1 - 2021. 

You can read more about career paths at DTU here.  

Further information
Further information may be obtained from Professor Karsten Rottwitt at

You can read more about DTU Fotonik at

If you are applying from abroad, you may find useful information on working in Denmark and at DTU at DTU – Moving to Denmark.

Application procedure
Your complete online application must be submitted no later than 15 August 2021 (Danish 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 out the online application form, and attach all your materials in English in one PDF file. The file must include:

  • Application (cover letter)
  • CV
  • Academic Diplomas (MSc/PhD)
  • List of publications

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

DTU Fotonik has 220 employees with competencies in optics and is one of the largest centers in the world based solely on research in photonics. Research is performed within optical sensors and devices, lasers, LEDs, photovoltaics, ultra-high speed optical transmission systems, bio-photonics, nano-optics and quantum photonics.

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 12,900 students and 6,000 employees. We work in an international atmosphere and have an inclusive, evolving, and informal working environment. DTU has campuses in all parts of Denmark and in Greenland, and we collaborate with the best universities around the world.