Аннотация:On
the
basis
of
a
detailed investigation
of
the photon correlation
of
arbitrary order
S
of
two
spatially
separated
modes
we
elicit
characteristic features
of
their
interference, which
appears
in
spite
of
the
absence
of
mode
mixing.
Here
each mode
is
exposed
to
the
action
of
an
independent
two-ray interferometer.
We
establish
that
the
maximal
contrast
of
the
interference
picture
is
achieved
in
the
framework
of
the
quantum description and the
isolated
contrast takes
place
for
2S
photon states
for
odd
S
only.
With
increasing
S
the
interference maxima
become
sharper and the minima
become
smoother.
The
classical
theory
predicts,
on the other hand,
significantly lower
visibility
and contrast.