Ultrafast three-photon counting in a photomultiplier tube

Amir Nevet, Alex Hayat, Meir Orenstein

Research output: Contribution to journalArticlepeer-review


We demonstrate experimentally ultrafast three-photon counting by three-photon absorption in a GaAsP photomultiplier tube at the wavelength range of 1800-1900 nm, and analyze its sensitivity and time response. Pulse energy of ∼500 fJ is shown to be detectable for ultrafast 170 fs pulses. The presented three-photon counter may serve as a unique tool for ultrafast quantum state characterization as well as for ultrasensitive third-order temporal measurements.

Original languageEnglish
Pages (from-to)725-727
Number of pages3
JournalOptics Letters
Issue number5
StatePublished - 1 Mar 2011

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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