PhD Student in Optoelectronics - Vertical-cavity Surface-emitting Lasers

Applicants are invited to apply for a PhD position at Chalmers University of Technology. This fellowship is available for all students around the world. Applications are invited up to October 31, 2018.

The Department of Microtechnology and Nanoscience focuses on research, innovation and education within the fields of future electronics, photonics, bio- and nanosystems. A close collaboration with Swedish and international partners within academia, industry and society enables scientific excellence and creates an innovative environment. In addition to the 200 researchers and PhD students, MC2 houses a cleanroom for micro- and nanofabrication with the latest equipment.

Information about the research/the project/the division

The Photonics Laboratory at the Department of Microtechnology and Nanoscience, with about 30 members, conducts application-oriented research in optoelectronics and fiber optic communication. We are part of the Fiber Optic Communications Research Center (FORCE) at Chalmers. Research in optoelectronics, with an emphasis on semiconductor lasers, started at Chalmers in the early 1980's. Today we master everything from laser design and fabrication to laser characterization and system evaluation. We are among the leaders in the development of vertical-cavity surface-emitting lasers (VCSELs), which is a key component for optical interconnects: the short-reach optical links and networks used in datacenters, supercomputers and computer clusters. We participate in European projects and work closely with academic and industrial partners worldwide. To strengthen our efforts we are expanding our team with a PhD student to work on VCSELs and related technologies for optical interconnects.

The VCSEL is being developed towards higher speed and efficiency to meet requirements of increased capacity and reduced power consumption in optical interconnect networks. Of increasing importance is also a higher degree of integration and functionality to enable e.g. high capacity wavelength-division-multiplexed interconnects. The project deals with the development of less conventional approaches for improving the VCSEL modulation capacity and the development of new VCSEL array technologies and associated integration techniques.

Major responsibilities

We seek a PhD student to work in a team of senior researchers, postdocs and other PhD students with complementary skills and tasks. The PhD student will actively participate in the research and development of new VCSEL technologies and integration platforms. The work is mainly experimental with a focus on laser fabrication and evaluation at the device level. In addition, a limited amount of efforts on laser design and modelling is expected. Your major responsibility as PhD student is to pursue your own doctoral studies. You are expected to develop your own scientific concepts and communicate the results of your research verbally and in writing. The position also includes departmental work, mostly as a teaching assistant, corresponding to about 10% of working hours.

Full-time temporary employment. The position is limited to a maximum of five years.


By the starting date, the applicant should have a Master of Science degree in Engineering Physics, Applied Physics, Electrical Engineering, or equivalent. Solid knowledge in the areas of semiconductors and optoelectronics is required. Any experience from device design, device fabrication in a cleanroom environment, and/or device characterization is a merit. A good command of English is required.

Chalmers continuously strives to be an attractive employer. Equality and diversity are substantial foundations in all activities at Chalmers.

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Application procedure

The application should be marked with Ref 20180494 and written in English. The application should be sent electronically and be attached as pdf-files, as below:

CV: (Please name the document: CV, Family name, Ref. number)
- CV
- Other, for example previous employments or leadership qualifications and positions of trust.
- Two references that we can contact.

Personal letter: (Please name the document as: Personal letter, Family name, Ref. number)
- 1-3 pages where you introduce yourself and present your qualifications.
- Previous research fields and main research results.
- Future goals and research focus. Are there any specific projects and research issues you are primarily interested in?

Other documents:
- Copies of bachelor and/or master's thesis.
- Attested copies and transcripts of completed education, grades and other certificates, eg. TOEFL test results.

Please use the button at the foot of the page to reach the application form. The files may be compressed (zipped).

Application deadline: 31 October, 2018

For questions, please contact:

Professor Anders Larsson, Department of Microtechnology and Nanoscience,, +46-703-088626


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