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PhD scholarship in CMOS Compatible and Ultrabroad on-chip SiC Frequency comb (SiComb)

Danmarks Tekniske Universitet (DTU)

Frist 15. juli 2020

DTU Fotonik is looking for a strongly self-motivated PhD student to contribute to a newly granted FET Open project ‘CMOS compatible and ultrabroad on-chip SiC frequency comb (SiComb)’ coordinated by Associate professor Haiyan Ou. The Ph D student will work in a team led by Associate Professor Haiyan Ou and position within the Diode Laser and LED system Group, which is part of the light source and industrial sensor section at DTU Fotonik.

DTU Fotonik covers all areas of photonic engineering. Photonics Engineering has become a key enabling technology for our society and is used, for example, both for our communication infrastructure, in the healthcare sector for the treatment of diseases and for secure communication on the Internet. It has access to the National Center of Nanofabrication and Characterization (www.nanolab.dtu.dk).

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 super nonlinearity and high confinement of silicon carbide waveguides, in addition to other advantages of CMOS compatibility, high thermal conductivity and bio-compatibility. Seven partners (DTU, FAU, CNRS, POLITO, MLNX, ALM, and Moverim) consist the strongest team in Europe covering SiC material growth, device nanofabrication and optical communication application.

Responsibilities and tasks
The selected PhD student will specifically be in charge of the design, fabrication and characterization of silicon carbide on insulator devices, in close collaboration with other partners on material growth and device application in the consortium.

The candidate is thus expected to

  • Design the SiCOI waveguides devices with desired dispersion and performance
  • Optimize the fabrication process to achieve low-loss waveguides and high quality factor resonators
  • Characterize the nonlinear effect of SiC waveguides, such as Kerr effect, supercontinuum generation, optical parametric oscillation etc.
  • Demonstrate the frequency comb generation
  • Simulate the frequency comb generation
  • Interact actively with other team members and European partners

Candidates should preferably have a two-year master's degree in semiconductors devices (120 ECTS points) or a similar degree with an academic level equivalent to a two-year master's degree.

In addition, we expect candidates to

  • Be fluent in English
  • Be willing 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 the DTU PhD Guide.

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 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.

Further information
Further information may be obtained from Associate professor Haiyan Ou, haou@fotonik.dtu.dk, tel.: +45 4525 3782.

You can read more about DTU Fotonik at www.fotonik.dtu.dk/english.

Please submit your online application no later than 15 July 2020 (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 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
  • Excel sheet with translation of grades to the Danish grading system (see guidelines and Excel spreadsheet here)
  • A research statement

Candidates may apply prior to obtaining their master's degree but cannot begin before having received it.

Applications and enclosures 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.

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.

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.

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Danmarks Tekniske Universitet (DTU)
Danmarks Tekniske Universitet (DTU)
DTU er et teknisk eliteuniversitet med international rækkevidde og standard. Vores mission er at udvikle og nyttiggøre naturvidenskab og teknisk videnskab til gavn for samfundet. 11.200 studerende uddanner sig her til fremtiden, og 6.000 medarbejdere har hver dag fokus på uddannelse, forskning, myndighedsrådgivning og innovation, som bidrager til øget vækst og velfærd.

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