Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Experimental single-photon pulse characterization by electro-optic
  shearing interferometry   The ability to characterize the complete quantum state of light is essential
for both fundamental and applied science. For single photons the quantum state
is provided by the mode that it occupies. The spectral temporal mode structure
of light has recently emerged as an essential means for quantum information
science. Here we experimentally demonstrate a self-referencing technique to
completely determine the pulse-mode structure of single photons by means of
spectral shearing interferometry. We detail the calibration and resolution of
the measurement and discuss challenges and critical requirements for future
advances of this method.

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The categories of this paper are: hep-ph
6
The categories of this paper are: astro-ph
9
The categories of this paper are: nlin
30
The categories of this paper are: q-alg
25
The categories of this paper are: patt-sol
2
The categories of this paper are: math
29
The categories of this paper are: funct-an
27
The categories of this paper are: comp-gas
14
The categories of this paper are: math-ph
4
The categories of this paper are: cond-mat
10
The categories of this paper are: q-bio
24
The categories of this paper are: dg-ga
18
The categories of this paper are: econ
32
The categories of this paper are: atom-ph
33
The categories of this paper are: plasm-ph
12
The categories of this paper are: nucl-th