Deterministic microwave-optical transduction based on quantum teleportation

• URL: http://arxiv.org/abs/2106.14037v2
• Date: Wed, 15 Sep 2021 13:43:27 GMT
• Title: Deterministic microwave-optical transduction based on quantum teleportation
• Authors: Jing Wu, Chaohan Cui, Linran Fan and Quntao Zhuang
• Abstract summary: coherent transduction between microwave and optical frequencies is critical to interconnect superconducting quantum processors over long distances. We propose a scheme based on continuous-variable quantum teleportation. We show that the teleportation-based scheme maintains a significant rate advantage robustly for all values of cooperativity.
• Score: 4.046143379963425
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The coherent transduction between microwave and optical frequencies is critical to interconnect superconducting quantum processors over long distances. However, it is challenging to establish such a quantum interface with high efficiency and small added noise based on the standard direct conversion scheme. Here, we propose a transduction scheme based on continuous-variable quantum teleportation. Reliable quantum information transmission can be realized with an arbitrarily small cooperativity, in contrast to the direct conversion scheme which requires a large minimum cooperativity. We show that the teleportation-based scheme maintains a significant rate advantage robustly for all values of cooperativity. We further investigate the performance in the transduction of complex quantum states such as cat states and Gottesman-Kitaev-Preskill(GKP) states and show that a higher fidelity or success probability can be achieved with the teleportation-based scheme. Our scheme significantly reduces the device requirement, and makes quantum transduction between microwave and optical frequencies feasible in the near future.

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