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≈ $24k – $61k per year (Estimated)
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In office (Barcelona)

Confirmed on the employer's own hiring board on Nov 2, 2026. First seen by Alion on Oct 26, 2026.

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ICFO, the Institute of Photonic Sciences, is a Spanish research centre working in photonics, quantum optics and quantum technologies. Founded in 2002, it runs PhD programmes, student fellowships and internships and hires research engineers for initiatives such as photonic integrated circuits. The company is headquartered in Castelldefels near Barcelona, Spain.
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PhD position in Macroscopic Quantum Optics Theory

ICFO is offering a PhD position to highly motivated student who wish to start their scientific career in a friendly and stimulating environment. The successful candidate will be joining the Macroscopic Quantum Optics Theory group led by Prof. Dr. Oriol Romero-Isart.

Our PhD-program brings together top-level training and teaching for young scientists, benefiting from the extensive course offerings of local universities and focused instruction by ICFO professors, in a stimulating, international and interdisciplinary environment. PhD-students have the opportunity to take advantage of our network of excellence, consisting in partners of national and international research institutes and universities, as well as industrial partners in the field.

The successful candidate will join a research project funded by a “la Caixa” Junior Leader Fellowship at ICFO. The project, “Tabletop Tests of Fundamental Physics with Levitated Nanoparticles,” will be carried out within the Macroscopic Quantum Optics Theory group Macroscopic Quantum Optics Theory group led by Prof. Dr. Oriol Romero Isart and aims to explore how levitated quantum optomechanical systems can be used to investigate fundamental questions in physics, including the search for new fundamental interactions, dark matter, and signatures of the quantum nature of gravity.

Main Tasks and Responsibilities

The candidate will conduct theoretical research at the intersection of quantum optics, quantum information, and fundamental physics. Their work will involve developing analytical and numerical tools to model quantum systems and designing experimentally feasible protocols for precision sensing and tests of fundamental physics.

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