Physics

Quantum enhanced measurement of an optical frequency comb

Y. Cai, J. Roslund, et al.

This groundbreaking research by Y. Cai, J. Roslund, V. Thiel, C. Fabre, and N. Treps showcases a novel method for single-shot multi-parameter estimation of optical frequency combs, achieving measurements that surpass the standard quantum limit. With enhanced signal-to-noise ratios using squeezed states, this study paves the way for advancements in ultrafast quantum metrology and multimode quantum information processing.

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