Physical Review LettersPublisher’s Note: Classical Bound for Mach-Zehnder Superresolution [Phys. Rev. Lett.104, 123602 (2010)]I. Afek, O. Ambar, Yaron R. SilberbergPublished Mar 31, 2010• 2 citationsPublisherAbstractReceived 25 March 2010DOI:https://doi.org/10.1103/PhysRevLett.104.139901©2010 American Physical SocietyDOI10.1103/physrevlett.104.139901