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Experimental optical phase measurement approaching the exact Heisenberg limit
oleh: Shakib Daryanoosh, Sergei Slussarenko, Dominic W. Berry, Howard M. Wiseman, Geoff J. Pryde
Format: | Article |
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Diterbitkan: | Nature Portfolio 2018-11-01 |
Deskripsi
Measurements of an unknown optical phase have not yet been performed with the ultimate precision, i.e. saturating the Heisenberg limit. Here, Daryanoosh et al. demonstrate this with a precision within 4% of the Heisenberg limit by combining photonic entanglement and multiple passes.