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Phase Estimation with Weak Measurement Using a White Light Source

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  • DOI number:10.1103/PhysRevLett.111.033604

  • Journal:Physical Review Letters

  • Abstract: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.

  • Co-author:Yaron Kedem,Kai Sun,Lev Vaidman,Guang-Can Guo

  • First Author:Xiao-Ye Xu

  • Indexed by:Journal paper

  • Correspondence Author:Chuan-Feng Li

  • Volume:111

  • Issue:3

  • Page Number:033604

  • ISSN No.:0031-9007

  • Translation or Not:no

  • Date of Publication:2013-07-17

  • Included Journals:SCI

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