Integrated autocorrelator based on superconducting nanowires

Dondu Sahin*, Alessandro Gaggero, Thang Ba Hoang, Giulia Frucci, Francesco Mattioli, Roberto Leoni, Johannes Beetz, Matthias Lermer, Martin Kamp, Sven Höfling, Andrea Fiore

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


We demonstrate an integrated autocorrelator based on two superconducting single-photon detectors patterned on top of a GaAs ridge waveguide. This device enables the on-chip measurement of the second-order intensity correlation function g((2))(tau). A polarization-independent device quantum efficiency in the 1% range is reported, with a timing jitter of 88 ps at 1300 nm. g((2))(tau) measurements of continuous-wave and pulsed laser excitations are demonstrated with no measurable crosstalk within our measurement accuracy. © 2013 OSA.

Original languageEnglish
Pages (from-to)11162-11170
Number of pages9
JournalOptics Express
Issue number9
Publication statusPublished - 6 May 2013


  • Single-photon detectors
  • Telecommunication wavelenghts
  • Cicuits
  • Chip


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