[General] Can a single indivisible photon interfere?

Wed Sep 27 01:17:05 PDT 2017

Dear Chandra,
Actually there is no contradiction between us. The Pi phase-shift is 
valid for a single reflection, while the Pi/2 phase-shift is obtained 
when adding all the parasitic reflections to the first single reflection 
(when the beamsplitter is made of parallel plates).
One goal of the paper was to demonstrate that this global achromatic 
Pi/2 phase-shift (admitted by QM) can fully be explained by 
multi-interference theory, thus wave theory of light. I think that it 
should be much more difficult by using a particle model of light 
assuming indivisible photons.

Best Regards,
Francois

Le 27/09/2017 à 00:53, Roychoudhuri, Chandra a écrit :
>
> Dear Francois: I read your paper rather quickly – not in depth, as yet.
>
> Kindly look into the significance of the phase shift for */external 
> reflection/* (denser medium boundary reflects light back to the same 
> less-dense medium). I have used π-phase shift and not π/2.
>
> Is it very significant towards the classical-quantum dichotomy – the 
> focus of your paper? I can design a somewhat complex (classical) 
> experiment to directly validate what is the real phase shift in 
> */external reflection./*
>
> Chandra.
>
> *From:*General 
> [mailto:general-bounces+chandra.roychoudhuri=uconn.edu at lists.natureoflightandparticles.org]*On 
> Behalf Of *Roychoudhuri, Chandra
> *Sent:* Tuesday, September 26, 2017 4:22 PM
> *To:* Nature of Light and Particles - General Discussion 
> <general at lists.natureoflightandparticles.org>
> *Subject:* Re: [General] Can a single indivisible photon interfere?
>
> Dear Francios:
>
> Many thanks for getting involved with our group again.
>
> I will read your paper again carefully within a couple of weeks and 
> make further comments.
>
> Chandra.
> _ _ _
>
>     On Tue, Sep 26, 2017 at 5:05 AM, François henault
>     <francois.henault at univ-grenoble-alpes.fr
>     <mailto:francois.henault at univ-grenoble-alpes.fr>> wrote:
>
>         Dear Chandra,
>         About interferometric experiments, perhaps you could have a
>         look to my paper "Quantum physics and the beam splitter
>         mystery" presented in your SPIE conference "The Nature of
>         Light" 2015:
>
>         https://arxiv.org/abs/1509.00393
>
>
>         Best Regards,
>         Francois
>
>         Le 25/09/2017 à 23:56, Roychoudhuri, Chandra a écrit :
>
>             Hello Everybody: Here is a potentially new “thread” for
>             debate for our community.
>
>             “Can a single indivisible photon interfere?”
>
>             My answer is a strong “No”.
>
>             I just presented this paper at the OSA Annual meeting last
>             week, held  at Washington, DC. It was well accepted by many.
>
>             It is only an 11-slide presentation. However, it
>             experimentally demonstrates that, for Superposition Effect
>             to emerge, we must have the simultaneous presence of two
>             physical signals carrying two physically different phase
>             information incident on the opposite sides of the
>             beam-combiner of a two-beam Mach-Zehnder interferometer.
>             The superposition effect emerges as purely a classical
>             effect facilitated by the dielectric boundary of the beam
>             combiner (classical light-matter interaction; no QM). The
>             energies in the two superposed beams can have any value,
>             no lower limit like “h-nu”. Thus, single photon
>             interference is causally and physically an untenable
>             logic, in my view point.
>
>             The experiment also underscores that the postulate of the
>             “Wave-particle duality”, is completely unnecessary for EM
>             waves. In fact, the Copenhagen Interpretation becomes more
>             logical and causal without this postulate. The QM
>             formulation is essentially correct. We do not need to
>             degrade it by imposing non-causal postulates.
>
>             In the past, I have also proposed an experiment to
>             validate that for “particle interference”, we also need
>             pairs of out-of-phase particles to nullify the stimulation
>             of the detector molecule to generate “dark fringes”.
>
>             Chandra.
>
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>         François Hénault
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>
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> __________________________________
> François Hénault
> Ingénieur de Recherche
> Institut de Planétologie et d’Astrophysique de Grenoble (IPAG)
> UMR CNRS 5274
> Bâtiment OSUG-A, Porte 65
> 414, Rue de la Piscine
> Université Grenoble-Alpes - B.P.53
> F-38041 Grenoble Cedex 9
> Tel: +33 (0)4 76 63 57 78
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__________________________________

François Hénault
Ingénieur de Recherche
Institut de Planétologie et d’Astrophysique de Grenoble (IPAG)
UMR CNRS 5274
Bâtiment OSUG-A, Porte 65
414, Rue de la Piscine
Université Grenoble-Alpes - B.P.53
F-38041 Grenoble Cedex 9
Tel: +33 (0)4 76 63 57 78
__________________________________

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