High-performance heralded squeezing gate with quantum network modules

The quantum gate and quantum memory are building blocks for distributed quantum computation. It is a longstanding goal to implement high-fidelity quantum operations with quantum network modules to process and store quantum information. Here we propose a high-performance heralded squeezing gate with quantum network modules. By distributing one submode of the entangled state to a quantum network module, a heralded squeezing gate is realized, and the fidelity is enhanced by the heralding filter. Furthermore, the heralded squeezing gate can be realized between two network modules, where quantum operation can be manipulated by another quantum network module. Our scheme is scalable for quantum network modules and provides a direct reference for potential practical applications of distributed quantum computation.