Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A kilopixel array of superconducting nanowire single-photon detectors   We present a 1024-element imaging array of superconducting nanowire single
photon detectors (SNSPDs) using a 32x32 row-column multiplexing architecture.
Large arrays are desirable for applications such as imaging, spectroscopy, or
particle detection.

5
The categories of this paper are: gr-qc
19
The categories of this paper are: eess
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The categories of this paper are: astro-ph
20
The categories of this paper are: acc-phys
1
The categories of this paper are: cs
22
The categories of this paper are: chao-dyn
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
29
The categories of this paper are: funct-an
18
The categories of this paper are: econ
31
The categories of this paper are: ao-sci
8
The categories of this paper are: hep-ex
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The categories of this paper are: math-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: hep-lat
4
The categories of this paper are: cond-mat