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/Cryogenic Optical Interconnects for Quantum Computing

Cryogenic Optical Interconnects for Quantum Computing

PhD - Leuven | Just now

Develop high-speed, thermally constrained optical links for scalable cryogenic quantum computing.
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Scaling quantum computers requires substantially more communication bandwidth between room-temperature infrastructure and quantum processors. Conventional electrical interconnects introduce wiring-density and thermal bottlenecks.

This PhD will investigate optical interconnects for cryogenic quantum-computing environments. The target is a link capable of high-speed communication within the stringent thermal budget of a cryogenic system. The research will evaluate lithium-niobate and silicon-photonic devices, develop novel BTO/STO modulators, explore low-power optical receiver concepts, and assess cryogenic system integration.

Success could establish cryogenic optical interconnects as a new technology field at the intersection of integrated photonics, advanced electro-optic materials, superconducting electronics, and scalable quantum control. 


 

Required background: MSc in Electrical Engineering, Physics, Photonics, Applied Physics, or related field. Skills in integrated photonics, optical communications, semiconductor devices, modeling, RF, cryogenic measurement, and quantum-system interfacing.

Type of work: 30% modeling/simulation, 50% experimental device development and characterization, 20% system requirements and literature.

Supervisor: Christian Haffner

Co-supervisor: Christian Haffner

Daily advisor: Christian Haffner

The reference code for this position is 2027-134. Mention this reference code in your application.

Apply
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