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PhD scholarship in Information Theory, Coding and Processing for Nonlinear Optical Transmission

DTU Fotonik, Technical University of Denmark

Copenhagen, 2800
Job Type:
Job Status:
Full Time
  • Lasers and Electro-Optics
  • Communications
  • Research
DTU Fotonik, Technical University of Denmark
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Job Details

DTU Fotonik works with all areas of photonic engineering, including a strong focus on optical communications. We are hereby announcing a PhD position within the topic of information theory and regenerative and nonlinear transmission in optical communication. This project is part of the centre of excellence Silicon Photonics for Optical Communications (SPOC) funded by the Danish National Research Foundation. Starting date is in spring 2018.

Project description

We are looking for a candidate to work on nonlinear optical communication channel techniques for approaching the capacity of such channels.

The work will include studies on design of novel schemes and analysis of communication capacity in optical communication using signal processing and communication and information theory.

The work will involve detailed studies of capacity and uncovering potentials for improving achievable rates for nonlinear optical channels with a focus on constructive approaches. The work will also include development, analysis and characterization of novel methods and physical components for optical communication, and of schemes for nonlinear and novel communication channels, as multi-mode and super channels developed within the SPOC project. The use of coded modulation communication schemes, with error-correcting coding and shaping, as well as combined optical and digital signal processing will be part of the approaches to increase spectral efficiency and approach capacity.


The PhD project will involve both theoretical and experimental studies and joint experiments with other SPOC team members. The candidate should address fundamental communication limits of optical communication and strive to devise viable schemes to approach the limits.


The PhD project will be part of the research centre of excellence SPOC and will be in close collaboration with activities within the centre, including activities on information theory, capacity and advanced coding. Experimental demonstrations of selected devised schemes in optical transmission will be an integral part of this project.


Candidates should have a master's degree in engineering or a similar degree with an academic level equivalent to the master's degree in engineering. Good communication skills in written and spoken English are a must.

Approval and Enrolment
The scholarship for the PhD degree are subject to academic approval, and the candidates will be enrolled in one of the general degree programmes of DTU. Only candidates with an above the average marks are accepted in the program. For information about the general requirements for enrolment and the general planning of the scholarship studies, please see the DTU PhD Guide



The assessment of the applicants will be made by Prof. Søren Forchhammer and Prof. Leif Katsuo Oxenløwe.


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 an academic freedom tempered by responsibility.


Salary and appointment terms

The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed with the relevant union. The period of employment is 3 years.


Supervisors and further information

Further information may be obtained from Prof. Søren Forchhammer; and Prof. Leif Katsuo Oxenløwe;


You can read more about DTU Fotonik on and the new centre on


Application procedure
Please submit your online application no later than March 4, 2018.

Apply online at


Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link "Apply online," complete the online application form, and attach all your materials in English in one PDF file. The file must include:


  • A letter motivating the application (cover letter)
  • Curriculum vitae
  • Grade transcripts and BSc/MSc diploma
  • Excel sheet with translation of grades to the Danish grading system (see guidelines and excel spreadsheet here)


Candidates may apply prior to ob­tai­ning their MSc degree, but cannot begin before having received it.


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


Applications and enclosures received after the deadline will not be considered.


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 optical sensors, lasers, LEDs, photovoltaics, ultra-high speed optical transmission systems, communication technology, bio-photonics, nano-optics and quantum photonics.


DTU is a technical university providing internationally leading research, education, innovation and scientific advice. Our staff of 5,800 advance science and technology to create innovative solutions that meet the demands of society; and our 11,000 students are being educated to address the technological challenges of the future. DTU is an independent academic university collaborating globally with business, industry, government, and public agencies.