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PhD Scholarship in Frequency Combs in Linbo3 Waveguides

A new opening PhD position in signal processing is available at KTH Royal Institute of Technology, Sweden. The initial contract for this position is two years. Potential candidates should apply before January 31, 2019.

KTH Royal Institute of Technology in Stockholm has grown to become one of Europe's leading technical and engineering universities, as well as a key centre of intellectual talent and innovation. We are Sweden's largest technical research and learning institution and home to students, researchers and faculty from around the world. Our research and education covers a wide area including natural sciences and all branches of engineering, as well as architecture, industrial management, urban planning, history and philosophy.

The project shall develop applied research in the field of integrated nonlinear optics, aiming at the demonstration of the first frequency comb generator based on quadratic optical nonlinearities, in the framework of the European Marie Curie Sklodowska Innovative Training Network MICROCOMB “Applications and Fundamentals of Microresonator Frequency Combs”.

The frequency comb research is a Nobel prize winning area (T. Hnsch and J. Hall, 2005), recently brought on chip by the advances in nanophotonic technology, enabling frequency comb generation in compact integrated microresonators (microcombs). Microcombs are rapidly emerging as a disruptive technology with multi-disciplinary applications, which encompass metrology, ultrafast signal processing, optical to radio-frequency conversion, astronomical measurements, spectroscopy and soliton physics.

Although quadratic nonlinearities in the cascading regimes may enable similar functionalities and potentially afford even higher efficiencies, their potential for microcombs is so far essentially unexplored.

The goal of this project is to push forward the state-of-the-art on the Lithium Niobate-on-Insulator (LNOI) nanophotonic platform developed at KTH for ultrahigh confinement and low loss waveguides, investigate in it novel nonlinear devices and fundamental effects based on quadratic cascading, and finally implement and test in LNOI the first microcomb operating with quadratic nonlinearities. Thanks to the involvement of leading experts in the field of LNOI devices, microcombs and nonlinear optics, and a rich programme of trans-national scientific exchanges and network-wide training events in partnership with industrial and academic partners across Europe, the PhD student will receive a broad and high-quality training in photonic device characterization and fabrication, experimental techniques, theory and modelling, but also in soft-skills, research collaboration, mobility and innovation.

In order to succeed as an doctoral student at KTH you need to be goal oriented and persevering in your work.

After the qualification requirements, great emphasis will be placed on personal qualities and personal suitability.

Only those who are or have been admitted to third-cycle studies may be employed as a doctoral student. The term of the initial contract may not exceed one year and may thereafter be extended. Doctoral students may engage in teaching, research, and administration corresponding to a maximum of 20 % of a full-time position.

Apply for the position and admission through KTH’s recruitment system. It is the applicant's responsibility to ensure that the application is complete in accordance with the instructions in the advertisement.

Applications must be received at the last closing date at midnight, CET/CEST (Central European Time/entral European Summer Time).


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