博士项目：用于高速太赫兹（THz）波束控制的动态时空界面

探索先进电磁设计与实验的动态调制太赫兹界面博士项目：要求申请者具备相关领域的硕士学位，并拥有电磁学与波动物理方面的经验。

Introduction: What new physics emerges when a THz interface changes on the timescale of the wave itself? In this PhD project, you will develop dynamically modulated THz interfaces and explore frequency conversion, beam steering, and nonreciprocal propagation through electromagnetic design, device development, and THz experiments. Job Description: The sub-THz regime is emerging as an important platform for future wireless communication, radar, and sensing, but controlling these waves dynamically remains a major challenge. Current interfaces can shape a THz wave in space, or tune their response in time, but doing both rapidly and with subwavelength spatial control is much harder. This limits how quickly THz beams can be steered, reconfigured, or made nonreciprocal. In this PhD project, you will explore a different regime: space–time interfaces whose electromagnetic response changes while the wave is interacting with them. Fast modulation allows the interface to exchange energy and momentum with the field, enabling effects such as frequency conversion, dynamic beam steering, anomalous scattering, and nonreciprocal propagation. Your research will span the full cycle from concept to experiment. You will: Develop concepts for fast spatial and temporal modulation of THz waves. Model wave interactions with dynamically changing interfaces. Design structures combining subwavelength spatial control with high modulation rates. Explore suitable modulation mechanisms, including MEMS-based architectures and alternative dynamic platforms. Fabricate and experimentally characterize the resulting devices. Build THz experiments to study beam steering, frequency shifts, and nonreciprocal response. Demonstrate GHz-rate two-dimensional spatiotemporal beamforming and explore its use in reconfigurable and nonreciprocal THz communication. The project will primarily target the sub-THz regime, approximately 0.3–1 THz. MEMS-based structures are one promising route, but the broader goal is to identify and realize practical platforms that can modulate THz waves fast enough to access genuinely dynamic wave phenomena. At TU/e, you will join the Photonics and Semiconductor Nanophysics (PSN) group, working in an interdisciplinary environment spanning photonics, electromagnetics, structured waves, nanofabrication, and experimental optics. You will spend 6 months at Université de Namur, focusing on theoretical modelling of GHz space–time interfaces, and 3 months at TNO, working on THz mode (de)multiplexing and system-level characterization. You will also take part in SPARK training schools, workshops, conferences, and network-wide activities.

Job Requirements: A Master’s degree in Applied Physics, Physics, Electrical Engineering, Optics/Photonics, Microsystems Engineering, Mechanical Engineering, Materials Science, or a related field. A strong foundation in electromagnetics, wave physics, microwave/THz engineering, and/or photonics. Experience with numerical modelling or scientific programming, for example using Python, MATLAB, COMSOL, CST, Ansys, or similar tools. Interest or experience in dynamic electromagnetic systems, THz technology, metasurfaces, MEMS, RF/microwave systems, or experimental wave characterization. The ability to work independently while contributing effectively to an international and interdisciplinary research team. Strong written and spoken English communication skills. Experience with THz measurements, RF/microwave systems, microfabrication, MEMS, time-varying electromagnetics, or electromechanical modelling is an advantage, but not required. You do not need expertise in all these areas; we value a strong technical foundation, scientific curiosity, and the motivation to develop new skills during the PhD. MSCA Eligibility Requirements At the date of recruitment: You must not already hold a doctoral degree. You must comply with the MSCA mobility rule: you must not have resided or carried out your main activity, such as work or studies, in the Netherlands for more than 12 months during the 36 months immediately preceding the recruitment date. Exceptions defined under the MSCA rules apply.

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