PICs@ICFO Strategic Initiative: Junior Research Engineer position in PIC Design and Simulation

As part of the

PICs@ICFO Strategic Initiative , ICFO coordinates

PIXEurope, a flagship Pilot Line funded under the European Chips JU program

focused on Advanced Photonic Integrated Circuits (PICs) through which ICFO is advancing frontier technologies, including optical interposers for Co-packaged optics for next-generation optoelectronic and photonic devices. To strengthen this initiative, ICFO is seeking

junior researcher or engineer

with experience in the design and numerical simulation of integrated photonic devices and circuits. The candidate should have a solid background in photonics and electromagnetic theory and be motivated to develop practical PIC designs targeting fabrication and experimental validation. Position Overview: We are offering a

Junior Research Engineer position in Photonic Integrated Circuit (PIC) design and simulation

to a well-qualified, highly motivated and dynamic young scientist or engineer who wishes to develop their career in integrated photonics in a friendly and stimulating research and technology environment. The successful candidate will join the Optoelectronics research group at ICFO, led by Prof. Dr. Valerio Pruneri, and will contribute to the development of advanced photonic integrated circuits within the group’s research and technology-development activities. The selected candidate will work closely with senior PIC designers, experimental researchers, fabrication partners, and other technical teams. The position is primarily design- and simulation-oriented, providing an opportunity to develop expertise across the complete PIC design workflow,



from device modelling and optimization to circuit layout and preparation for fabrication. Key Responsibilities: Design and simulate integrated photonic devices and circuits,

Perform electromagnetic and optical simulations using numerical methods such as FDTD, FEM, eigenmode expansion, and mode solving.

Optimize photonic-device performance considering insertion loss, coupling efficiency, bandwidth, modal properties, fabrication tolerances, and footprint.

Develop photonic circuits by combining individual building blocks and perform circuit-level simulations where required.

Prepare PIC layouts for fabrication, following design rules and available process-design-kit (PDK) specifications.

Collaborate with fabrication partners and internal teams during design reviews, tape-out preparation, and design-for-manufacturing activities.

Analyse experimental characterization results and compare them with simulations to support device debugging and iterative design improvement.

Develop scripts and simulation workflows for design automation, parameter optimization, and data analysis.

Document design methodologies, simulation results, and device performance in structured technical reports.

This position will report to the

Prof. Dr. Valerio Pruneri, Director of the European Chips JU Pilot Line PIXEurope. PIXEurope is co-funded by the Chips Joint Undertaking and national funding authorities of the Participating States, Spain, Ireland, The Netherlands, Finland, Belgium, Portugal, Poland, Austria, France, Italy, United Kingdom. In particular, it is co-funded by Spain through the Ministry for Digital Transformation and Civil Service under reference CJU-(phone hidden)-0005, as part of the Recovery, Transformation and Resilience Plan (PRTR).

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📌 PICs@ICFO Strategic Initiative: Junior Research Engineer position in PIC Design and Simulation (Castelldefels)
🏢 Institute Of Photonic Sciences
📍 Castelldefels