We report a novel component for integrated quantum photonic applications, a waveguide single-photon autocorrelator. It is based on two superconducting nanowire detectors patterned onto the same GaAs ridge waveguide. Combining the electrical output of the two detectors in a correlation card enables the measurement of the second-order correlation function g(2) (t), which realizes the functionality of a Hanbury-Brown and Twiss experiment in a very compact integrated device. Each detector shows a polarization-independent quantum efficiency of ~0.5-1% at 1300 nm. This autocorrelator represents a key building block for quantum photonic integrated circuits including single-photon sources and linear optics. © (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
|Title of host publication||Advances in Photonics of Quantum Computing, Memory, and Communication VI, San Francisco, 2013|
|Editors||Z.U. Hasan, P.R. Hemmer, H. Lee, C.M. Santori|
|Place of Publication||Bellingham|
|Publication status||Published - 2013|
|Name||Proceedings of SPIE|