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quant-ph2026
Toward Heisenberg-Limited Interferometry with Dual Squeezers
Yi Gu, Song-Ping Wang, Wei Zhong
The canonical Mach-Zehnder interferometer fed with a coherent state and a squeezed-vacuum state of equal intensities is theoretically predicted to achieve Heisenberg scaling in pha…
quant-ph2011
Bright six-partite continuous variable entanglement using cascaded four-wave mixing processes in a four-level atomic system
Guangqiang He, Xufei Wu, Yi Gu
We theoretically show that bright six-partite continuous-variable entanglement can be generated using cascaded four-wave mixing effects of third-order nonlinearity atomic systems a…