Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Anti-PT-symmetry-enhanced interconversion between microwave and optical
  fields   The intrinsic dissipation of systems into a shared reservoir introduces
coherence between two systems, enabling anti-Parity-Time (anti-PT) symmetry. In
this paper, we propose an anti-PT symmetric converter, consisting of a
microwave cavity coupled dissipatively to a ferromagnetic sphere, which
supports significant improvements in the conversion efficiency when compared to
coherently coupled setups. In particular, when only the ferrite sample is
driven, the strong coherence induced by the vacuum of the mediating channel
leads to much stronger enhancements in the intended conversion. The enhancement
is an inalienable artifact of the emergence of a long-lived, dark mode
associated with a quasi-real singularity of the hybrid system. In addition, we
observe considerable asymmetry in the efficiencies of microwave-to-optical and
optical-to-microwave conversions, in spite of the symmetrical structure of the
trilinear optomagnonic coupling stimulating both the transduction phenomena.
The nonreciprocity stems from the intrinsic asymmetry in the couplings of the
microwave and optical fields to the cavity-magnon network as well as the phase
coupling entailed by the spatial separation.

26
The categories of this paper are: bayes-an
18
The categories of this paper are: econ
12
The categories of this paper are: nucl-th
16
The categories of this paper are: stat
28
The categories of this paper are: alg-geom
31
The categories of this paper are: ao-sci
4
The categories of this paper are: cond-mat
21
The categories of this paper are: adap-org
34
The categories of this paper are: chem-ph
33
The categories of this paper are: plasm-ph
2
The categories of this paper are: math
37
The categories of this paper are: supr-con
15
The categories of this paper are: nucl-ex
1
The categories of this paper are: cs
6
The categories of this paper are: astro-ph
17
The categories of this paper are: q-fin