The Future AI Infrastructure team at Microsoft Research Cambridge (UK) is exploring scalable, energy-efficient, and sustainable optical technologies that will shape the future of data center infrastructure. We are looking for a talented and enthusiastic PhD student to join us in spring/summer 2025 to contribute to topics related to integrated photonics design and modelling of active and passive components. You will be joining a multidisciplinary and highly collaborative team to work on creative and challenging problems aiming to push the technology boundaries and deliver transformative solutions.