Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Disorder-induced light trapping enhanced by pulse collisions in
  one-dimensional nonlinear photonic crystals   We use numerical simulations to study interaction of co- and
counter-propagating pulses in disordered multilayers with noninstantaneous Kerr
nonlinearity. We propose a statistical argument for existence of the
disorder-induced trapping which implies the dramatic rise of the probability of
realization with low output energy in the structure with a certain level of
disorder. This effect is much more pronounced in the case of two interacting
pulses than in the single-pulse regime and does not occur in the strictly
ordered system at the same intensity of the pulses. Therefore it cannot be
explained simply as a result of increase in strength of nonlinear light-matter
interaction.

35
The categories of this paper are: mtrl-th
5
The categories of this paper are: gr-qc
32
The categories of this paper are: atom-ph
12
The categories of this paper are: nucl-th
8
The categories of this paper are: hep-ex
26
The categories of this paper are: bayes-an
25
The categories of this paper are: patt-sol
36
The categories of this paper are: cmp-lg
13
The categories of this paper are: quant-ph
33
The categories of this paper are: plasm-ph
10
The categories of this paper are: q-bio
11
The categories of this paper are: hep-lat
30
The categories of this paper are: q-alg
16
The categories of this paper are: stat
28
The categories of this paper are: alg-geom
9
The categories of this paper are: nlin