2 papers
quant-ph2026
Surpassing Quantum Noise Limits with Nonlinear Amplification
Ya-Long Ren, Rong-Teng Cao, Sheng-Li Ma +4
Linear quantum amplifiers are indispensable tools for quantum technologies, yet their performance is fundamentally limited by quantum noise, precluding any signal-to-noise ratio (S…
quant-ph2025
Waveguide QED with dissipative light-matter couplings
Xing-Liang Dong, Peng-Bo Li, Zongping Gong +1
Dissipative light-matter coupling plays a vital role in non-Hermitian physics, but it remains largely unexplored in waveguide QED systems. In this work, we find that by employing p…