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PhD Position – CMOS Compatible and Ultrabroad on-chip SiC Frequency Comb, Denmark 2022

Denmark, Technical University of Denmark (DTU)

Technical University of Denmark (DTU) invites applications for a Ph.D. position to contribute to a FET Open project ‘CMOS compatible and ultrabroad on-chip SiC frequency comb (SiComb)’ at the DTU Fotonik, Denmark – Mar 2022

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General Info

Position: PhD Position
No. of Positions: 1
Research Field:
Joining Date: ASAP
Contract Period: 3 Years
Salary: According to Standard Norms

DTU Fotonik
Technical University of Denmark
Technical University of Denmark (DTU)
Lyngby, Denmark

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Qualification Details

You must have a two-year master's degree in semiconductor devices, photonics (120 ECTS points) or a similar degree with an academic level equivalent to a two-year master's degree.In addition we expect you to

  • Be fluent in English
  • Have good communication skills to work in close collaboration with international partners
  • Be willing to supervise master and bachelor students
  • Have cleanroom fabrication experience

Approval and Enrolment

The scholarship for the PhD degree is subject to academic approval, and the candidate will be enrolled in one of the general degree programmes at DTU. For information about our enrolment requirements and the general planning of the PhD study programme, please see DTU's rules for the PhD education.

Responsibilities/Job Description

If you are establishing your career as scientist and you are looking for the best possible foundation for fulfilling your dreams and ambitions, it is right here in front of you. At DTU Fotonik you will break new ground at the absolute forefront of silicon carbide nanophotonics. We are looking for a strongly self-motivated PhD student to contribute to a FET Open project ‘CMOS compatible and ultrabroad on-chip SiC frequency comb (SiComb)’ coordinated by Associate Professor Haiyan Ou.

The PhD student will work in the wide bandgap semiconductor photonics group led by Associate Professor Haiyan Ou.DTU Fotonik covers all areas of photonics engineering. Photonics engineering has become a key enabling technology for our society and is used, for example, both for our communication infrastructure, for the treatment of diseases in the healthcare sector, and for secure communication on the internet. It has access to the national center DTU Nanolab. The goal of the SiComb project is to demonstrate an on-chip optical frequency comb and apply it to optical communication systems, after exploring and combining the very high nonlinearity and high confinement of silicon carbide waveguides and microrings with the material’s other advantages such as CMOS compatibility, high thermal conductivity and bio-compatibility. The seven partners in the project (DTU, FAU, CNRS, POLITO, MLNX, ALM, and Moverim) comprise the strongest team in Europe covering SiC material growth, device nanofabrication and optical communication application.

Responsibilities and qualifications

You will be in charge of the design, fabrication and characterization of silicon carbide on insulator (SiCOI) devices, in close collaboration with other consortium partners and group members working on material growth and device applications.The candidate is thus expected to

  • Design the SiCOI waveguide devices with desired dispersion and performance
  • Optimize the fabrication process to achieve low-loss waveguides and high quality factor microrings
  • Build the experimental setup to characterize the nonlinearity of SiC waveguides and microrings
  • Simulate and demonstrate frequency comb generation in SiCOI microrings
  • Interact actively with other group members and European partners

How to Apply?

Online Application through "Apply Now" Button from this page

Reference Number: -
(If any, use it in the necessary place)

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Documents Required

Your complete online application must be submitted no later than 1 March 2022 (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:

  • A letter motivating the application (cover letter)
  • Curriculum vitae
  • Grade transcripts and BSc/MSc diploma including official description of grading scale
  • A research statement

You may apply prior to ob­tai­ning your master's degree but cannot begin before having received it.Applications received after the deadline will not be considered. All interested candidates irrespective of age, gender, race, disability, religion or ethnic background are encouraged to apply.

About the Department

DTU Fotonik has 220 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 communication technology, ultra-high speed optical transmission systems, optical sensors, lasers, LEDs, photovoltaics, bio-photonics, nano-optics and quantum communication and photonics.

About the Employer: Technical University of Denmark (DTU)


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 Danish Confederation of Professional Associations. The allowance will be agreed upon with the relevant union. The period of employment is 3 years.You can read more about career paths at DTU here.

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Contact details

Further information may be obtained from Associate Professor Haiyan Ou,, tel.: +45 4525 6380.  You can read more about DTU Fotonik at you are applying from abroad, you may find useful information on working in Denmark and at DTU at DTU – Moving to Denmark.

Advertisement Details: PhD scholarship in CMOS Compatible and Ultrabroad on-chip SiC Frequency Comb (SiComb)

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