Low-Loss Quantum Interconnect for Distributed Quantum Computing
Published:Dec 31, 2025 15:33
•1 min read
•ArXiv
Analysis
This paper presents a significant advancement in quantum interconnect technology, crucial for building scalable quantum computers. By overcoming the limitations of transmission line losses, the researchers demonstrate a high-fidelity state transfer between superconducting modules. This work shifts the performance bottleneck from transmission losses to other factors, paving the way for more efficient and scalable quantum communication and computation.
Key Takeaways
- •Demonstrates a low-loss quantum interconnect using an aluminum coaxial cable.
- •Achieves high-fidelity state transfer between superconducting modules.
- •Shifts the performance bottleneck from transmission losses to module-channel interface effects and local Kerr nonlinearities.
- •Paves the way for scalable distributed quantum computing and efficient quantum communications.
Reference
“The state transfer fidelity reaches 98.2% for quantum states encoded in the first two energy levels, achieving a Bell state fidelity of 92.5%.”