Mitigating losses in superconducting qubits

Abstract

Superconducting Circuits are a promising platform to implement fault-tolerant quantum computers. To achieve low enough error rates to implement logical qubits and run useful algorithms, it is essential that the quantum information stored in the qubits can be retained for sufficiently long times. Material losses are currently limiting the life-times of superconducting qubits.
In this talk I will present how superconducting qubits are fabricated, introduce the different sources of losses that affect them and sketch out what could be done to reduce them.

References

• arxiv.org/pdf/2407.18746