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Creators/Authors contains: "Perez-Leija, Armando"

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  1. ; ; ; (, Physical Review A)
    The removal of photons from certain quantum light sources produces so-called photon-subtracted states with enhanced mean photon numbers and intricate quantum correlations. Here, we propose an integrated photon-subtraction scheme that, contrary to previous approaches, is not heralded by photon correlation (coincidence) measurements. In this way, our technique exploits the “Welcher Weg” (“which way”) information problem, as it does not provide information about the modes from which the subtracted photons emanated. We show that this lack of information allows the generation of multiphoton states endowed with rich quantum correlations that strongly depend on the parity, evenness or oddness, of the number of subtracted photons. 
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    Free, publicly-accessible full text available August 1, 2026
  2. ; ; ; ; ; ; ; ; (, Applied Physics Reviews)
    Full Text Available