Developing a photonic interface for superconducting quantum processors

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Quantum computers have the potential to solve specific algorithms allowing us to better simulate complex systems at increased speed and accuracy compared with classical binary computing. Ultimately, there needs to be a connection to the outside 'classical' world or a means to interface quantum computers for networking functionality. Quantum processors based on superconducting circuitry must be cooled to cryogenic temperatures, isolating qubits in a controlled quantum state, and therefore posses a major technical challenge for establishing a physical interconnect. The solution proposed here, it to implement an optical interface that would allow data transfer from a low-temperature environment with minimal thermal load; additionally, photonic circuits lend themselves to high-speed modulation with low energy cost per bit. The outline of this research project is to design, fabricate and test an optical interface for superconducting quantum processors. The student will have an exciting opportunity to work closely with the industry sponsor SEEQC, who are working to deliver a commercially scalable and cost-effective digital quantum computing platform for global businesses.