Journal
PHYSICAL REVIEW LETTERS
Volume 111, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.033604
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Funding
- National Basic Research Program of China [2011CB921200]
- National Natural Science Foundation of China [60921091, 11274289]
- CAS
- Fundamental Research Funds for the Central Universities [WK2470000011]
- Israel Science Foundation [1125/10]
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We report results of a high precision phase estimation based on a weak measurement scheme using a commercial light-emitting diode. The method is based on a measurement of the imaginary part of the weak value of a polarization operator. The imaginary part of the weak value appeared due to the measurement interaction itself. The sensitivity of our method is equivalent to resolving light pulses of the order of a attosecond and it is robust against chromatic dispersion.
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