Optimal quantum phase estimation.
By using a systematic optimization approach, we determine quantum states of light with definite photon number leading to the best possible precision in optical two-mode interferometry. Our treatment takes into account the experimentally relevant situation of photon losses. Our results thus reveal th...
Main Authors: | Dorner, U, Demkowicz-Dobrzanski, R, Smith, B, Lundeen, J, Wasilewski, W, Banaszek, K, Walmsley, I |
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Format: | Journal article |
Language: | English |
Published: |
2009
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