Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Double Electromagnetically Induced Transparency and Narrowing of Probe
  Absorption in a Ring Cavity with Nanomechanical Mirrors   We study the effect of a strong coupling field on the absorptive property of
a ring cavity with two mirrors oscillating at slightly different frequencies to
a weak probe field. We observe double electromagnetically induced transparency
windows separated by an absorption peak at line center in the output probe
field under the action of a strong coupling field. We find that increasing
driving power can broaden the two transparency windows, which results in
narrowing of the central absorption peak. At high driving power, the linewidth
of the sharp central absorption peak is approximately equal to the mechanical
linewidth. We show the normal mode splitting in both the output probe field and
the generated Stokes field. We also find that the suppression of the four-wave
mixing process can be achieved on resonance.

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The categories of this paper are: funct-an
2
The categories of this paper are: math
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The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
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The categories of this paper are: hep-ex
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The categories of this paper are: bayes-an
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The categories of this paper are: q-alg
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The categories of this paper are: mtrl-th
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The categories of this paper are: patt-sol
5
The categories of this paper are: gr-qc
1
The categories of this paper are: cs
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The categories of this paper are: math-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: nucl-th
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The categories of this paper are: chao-dyn
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The categories of this paper are: econ