title: Ultrafast partial measurement of fourth-order coherence by HBT interferometry of upconversion-based autocorrelation.
abstract: We introduce, analyze, and experimentally demonstrate a compact semiconductor-based scheme for a femtosecond-scale partial fourth-order coherence g((4)) measurements. The scheme is based on a start-stop photon-counting Hanbury Brown and Twiss (HBT) interferometry of an upconversion-based Michelson-interferometer autocorrelation. The experimental realization employs second-harmonic generation in a semiconductor quantum-well structure, which may be further integrated with the HBT setup as a miniature photonic circuit, allowing compact characterization devices for photon-pair statistics in quantum photonics and quantum information processing.
authors.affiliation: Department of Electrical Engineering, Technion, Haifa 32000, Israel. ahayat@tx.technion.ac.il
authors.forename: Alex
authors.initials: A
authors.lastname: Hayat
authors.forename: Amir
authors.initials: A
authors.lastname: Nevet
authors.forename: Meir
authors.initials: M
authors.lastname: Orenstein