Exchange-Free Superconducting Cavity State Transfer

No carrier photon exchange

Enables symmetric, continuous quantum state transfer between superconducting cavities using continuous two-mode squeezing without exchanging carrier photons.

Zhou, Jie · Ming, Li · Wang, Weiting · Cai, Weizhou · Hua, Z. · Xu, Yifang · Pan, X. · Xue, Guangming · Zhang, Hongyi · Song, Yipu · Yu, Haifeng · Zou, Changling · Sun, Luyan

Physical Review Letters 2024

Advantages

coherent and bidirectional transfer of arbitrary quantum states

including bosonic quantum error correction codes