PhD. Student position in Integrated photonic-spintronic devices
École polytechnique fédérale de Lausanne, EPFL
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EPFL, the Swiss Federal Institute of Technology in Lausanne, is one of the most dynamic university campuses in Europe
and ranks among the top 20 universities worldwide. The EPFL employs more than 6,500 people supporting the three main
missions of the institutions: education, research and innovation. The EPFL campus offers an exceptional working
environment at the heart of a community of more than 18,500 people, including over 14,000 students and 4,000
researchers from more than 120 different countries.
PhD. Student position in Integrated photonic-spintronic devices
Mission
The Hybrid Photonics Laboratory at EPFL is seeking for talented and motivated candidates to work in the field of
Integrated Photonics for generation of high-quality electronic signals at elevated frequencies beyond 100 GHz.
High-end microwave instrumentation is at the core of communications, computing, metrology, sensing or ranging. Yet, it
relies on the availability of broadband tunable, narrow linewidth, and bright microwave sources that can be used to
excite a high-frequency circuit or to detect its response via heterodyne techniques.
You will research hybrid photonic-spintronic chips on silicon nitride, an offering integrated photonic platform
providing ultra low-loss, negligible two-photon absorption, high optical nonlinearity, possibilities to engineer both
positive and negative group velocity dispersion through waveguide design and high-Finesse optical resonators, with the
aim to develop compact and efficient sources of pulsed and continuous wave terahertz radiation in the band from 100 GHz
to 10 THz.
As a successful candidate of a dynamic team, you will shape the future of photonics-based millimeterwave-optical
technology in our young and dynamic lab. You will develop first-of-their kind hybrid platforms that enable complex
high-frequency operations directly inside miniaturized photonic chips.
You will kick off diverse aspects of the experimental effort: technical (setting up an optical measurement setup
design, including design of high-frequency electronics and custom-tailored mechanical components) and conceptual
(develop the theory of millimeterwave/terahertz generation inside photonic chips).
In the lab, you will learn about integrated and free-space quantum optical technologies and engineering, and nonlinear
optics. You will contribute to the automatisation of measurement routines, comprehensive characterisation of fabricated
samples and to bridging the area of microwave/terahertz-optical science and technology with the most modern integrated
photonic techniques.
Main duties and responsibilities
As a PhD Student, you will be expected to:
- Have full responsibility for your own dissertation
- Research in close collaboration with industry partners
- Experiment design and execution
- Analyze and interpret experimental results
- Write scientific articles for publication in peer-reviewed journals
- Present at international conferences
- Participate in education and supervise student projects
More specifically, within this project, you will:
- Develop miniaturised millimeterwave/terahertz oscillator and apply them to photonic circuits, together with their
driving software/hardware, automatize measurement procedures.
- Simulate optical and mmW/THz properties using simulations software such as COMSOL or CST.
- Characterize samples in the lab.
- Model experimental data from first principles using Matlab/Python codes.
- Write scientific publications, file patents, disseminate work at national and international conferences.
- Maintain collaborations and deliver periodic reports that describe your progress within the project.
Profile
- A MSc degree
- Good communication skills and willingness to work as part of a team
- Enthusiasm, scientific curiosity, eager to learn, good organizational skills, rigor in experimental work
- High level of motivation for academic research work
- Fluency in English is essential
- Physics background, strong interest in high-frequency electronics and integrated photonics, nonlinear optics,
high-frequency electronics, metrology and/or electro-optic transduction are mandatory. Prior experience in any of these
fields is a plus, but not mandatory. More important is the interest to learn and drive this field as a young scientist
in a world-wide research community.
- Knowledgeable in (or interest to learn) Python, Matlab, Labview, Inventor, Illustrator, CST Microwave studio and
Comsol.
- Enjoy thinking about difficult problems and solving them step by step.
- Hands-on attitude and an interest for taking on new challenges are mandatory for this group. In return, you get to
witness setting up experiments from scratch!
- Enjoy collaborations with various other scientific groups, take on a leading junior role in international teams.
We offer
- A unique opportunity to contribute and take on entirely new avenues in the field of quantum photonics in a young and
dynamic team.
- Excellent infrastructure through the cleanroom at EPFL, the Lausanne center for ultrafast science, and the Quantum
Science Center at EPFL
- Competitive salary, coverage of conference costs, a dynamic and inspiring scientific community.
Informations
Only applications submitted through the online platform are considered.
Your application should contain:
- Motivation Letter
- Your detailed CV
- Transcript of records (Bachelor and Master)
- Contact information
- The names and contact information of 3 references willing to write a recommendation letter
Application deadline: July 2025 or later till fall
Contract Start Date: 07/01/2025
Activity Rate: 100,00
Contract Type: PhD Student
Duration: A 1-year fixed-term contract (CDD), renewable for 4 years
Reference: 1476
For more information, please contact: prof cristina.benea@epfl.ch
The position will remain open until filled, and we’ll start revising applications from 01.04.2025. It is highly
indicated that you write a short statement (max. one page) where you outline why you want to join this group, what your
specific interests are, how your skills can contribute to the mission of the lab and how you think you can advance in
your own academic/scholarly pursuit while being a part of the Hybrid Photonics Laboratory.
The selection process involves multiple stages, and short-listed candidates will be requested to apply to a specific
EPFL Doctoral Program to qualify for a PhD at EPFL.
Please check this page for additional information on admission.
Please note that this is a separate application process necessary to be eligible to complete your PhD at EPFL.
and ranks among the top 20 universities worldwide. The EPFL employs more than 6,500 people supporting the three main
missions of the institutions: education, research and innovation. The EPFL campus offers an exceptional working
environment at the heart of a community of more than 18,500 people, including over 14,000 students and 4,000
researchers from more than 120 different countries.
PhD. Student position in Integrated photonic-spintronic devices
Mission
The Hybrid Photonics Laboratory at EPFL is seeking for talented and motivated candidates to work in the field of
Integrated Photonics for generation of high-quality electronic signals at elevated frequencies beyond 100 GHz.
High-end microwave instrumentation is at the core of communications, computing, metrology, sensing or ranging. Yet, it
relies on the availability of broadband tunable, narrow linewidth, and bright microwave sources that can be used to
excite a high-frequency circuit or to detect its response via heterodyne techniques.
You will research hybrid photonic-spintronic chips on silicon nitride, an offering integrated photonic platform
providing ultra low-loss, negligible two-photon absorption, high optical nonlinearity, possibilities to engineer both
positive and negative group velocity dispersion through waveguide design and high-Finesse optical resonators, with the
aim to develop compact and efficient sources of pulsed and continuous wave terahertz radiation in the band from 100 GHz
to 10 THz.
As a successful candidate of a dynamic team, you will shape the future of photonics-based millimeterwave-optical
technology in our young and dynamic lab. You will develop first-of-their kind hybrid platforms that enable complex
high-frequency operations directly inside miniaturized photonic chips.
You will kick off diverse aspects of the experimental effort: technical (setting up an optical measurement setup
design, including design of high-frequency electronics and custom-tailored mechanical components) and conceptual
(develop the theory of millimeterwave/terahertz generation inside photonic chips).
In the lab, you will learn about integrated and free-space quantum optical technologies and engineering, and nonlinear
optics. You will contribute to the automatisation of measurement routines, comprehensive characterisation of fabricated
samples and to bridging the area of microwave/terahertz-optical science and technology with the most modern integrated
photonic techniques.
Main duties and responsibilities
As a PhD Student, you will be expected to:
- Have full responsibility for your own dissertation
- Research in close collaboration with industry partners
- Experiment design and execution
- Analyze and interpret experimental results
- Write scientific articles for publication in peer-reviewed journals
- Present at international conferences
- Participate in education and supervise student projects
More specifically, within this project, you will:
- Develop miniaturised millimeterwave/terahertz oscillator and apply them to photonic circuits, together with their
driving software/hardware, automatize measurement procedures.
- Simulate optical and mmW/THz properties using simulations software such as COMSOL or CST.
- Characterize samples in the lab.
- Model experimental data from first principles using Matlab/Python codes.
- Write scientific publications, file patents, disseminate work at national and international conferences.
- Maintain collaborations and deliver periodic reports that describe your progress within the project.
Profile
- A MSc degree
- Good communication skills and willingness to work as part of a team
- Enthusiasm, scientific curiosity, eager to learn, good organizational skills, rigor in experimental work
- High level of motivation for academic research work
- Fluency in English is essential
- Physics background, strong interest in high-frequency electronics and integrated photonics, nonlinear optics,
high-frequency electronics, metrology and/or electro-optic transduction are mandatory. Prior experience in any of these
fields is a plus, but not mandatory. More important is the interest to learn and drive this field as a young scientist
in a world-wide research community.
- Knowledgeable in (or interest to learn) Python, Matlab, Labview, Inventor, Illustrator, CST Microwave studio and
Comsol.
- Enjoy thinking about difficult problems and solving them step by step.
- Hands-on attitude and an interest for taking on new challenges are mandatory for this group. In return, you get to
witness setting up experiments from scratch!
- Enjoy collaborations with various other scientific groups, take on a leading junior role in international teams.
We offer
- A unique opportunity to contribute and take on entirely new avenues in the field of quantum photonics in a young and
dynamic team.
- Excellent infrastructure through the cleanroom at EPFL, the Lausanne center for ultrafast science, and the Quantum
Science Center at EPFL
- Competitive salary, coverage of conference costs, a dynamic and inspiring scientific community.
Informations
Only applications submitted through the online platform are considered.
Your application should contain:
- Motivation Letter
- Your detailed CV
- Transcript of records (Bachelor and Master)
- Contact information
- The names and contact information of 3 references willing to write a recommendation letter
Application deadline: July 2025 or later till fall
Contract Start Date: 07/01/2025
Activity Rate: 100,00
Contract Type: PhD Student
Duration: A 1-year fixed-term contract (CDD), renewable for 4 years
Reference: 1476
For more information, please contact: prof cristina.benea@epfl.ch
The position will remain open until filled, and we’ll start revising applications from 01.04.2025. It is highly
indicated that you write a short statement (max. one page) where you outline why you want to join this group, what your
specific interests are, how your skills can contribute to the mission of the lab and how you think you can advance in
your own academic/scholarly pursuit while being a part of the Hybrid Photonics Laboratory.
The selection process involves multiple stages, and short-listed candidates will be requested to apply to a specific
EPFL Doctoral Program to qualify for a PhD at EPFL.
Please check this page for additional information on admission.
Please note that this is a separate application process necessary to be eligible to complete your PhD at EPFL.