XPost: sci.physics   
   From: dk4xp@arcor.de   
      
   Am 14.02.26 um 16:54 schrieb john larkin:   
      
   >>>     Wave-like interference can be observed in the famous double-slit   
   >>>     experiment. Now, what happens when we reduce the intensity of the   
   >>>     incoming light to one single photon? We get one single spot on the   
   >>>     detector screen! So, does this mean "no wave behavior"? Well, when   
   >>>     we repeat this with many single photons, one after the other, in   
   >>>     the end, we get the same interference pattern on that screen created   
   >>>     by all those dots!   
   >>   
   >> This is misleading. There is no single-photon gun.   
   >   
   > I recall someone making a laser sort of thing that dispenses a single   
   > photon periodically.   
      
   But that has nothing to do with lasers anymore.   
   No coherence to anything and so on.   
      
   There is no difference to a starving LED then.   
   I succeeded in converting a costly DFB laser to a LED :-(   
   It takes just a few usecs until the resonator grid is gone.   
      
   Gerhard   
      
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