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Can one derive the photon number / phase uncertainty relation

  1. Oct 25, 2015 #1
    In an earlier thread of mine, another physics forums member was nice enough to point out that there is an uncertainty relation between photon number and wave phase for light.


    Now I am wondering, where does this uncertainty relation come from? Was it discovered experimentally or can it be derived from other quantum mechanics axioms?

    I am guessing that the answer lies in analysis of the quantum harmonic oscillator, but I am not sure.
  2. jcsd
  3. Oct 26, 2015 #2


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  4. Oct 26, 2015 #3
    Thanks, blue Leaf77!
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