Degree of fourth-order coherence by double Hanbury Brown–Twiss detections
Yuchi Zhang, Yuan Li, Guo Yan-Qiang, Gang Li, Junmin Wang, Tiancai Zhang · Chinese Physics B · 2010
Photon quantum statistics of light can be shown by the high-order coherence. The fourth-order coherences of various quantum states including Fock states, coherent states, thermal states and squeezed vacuum states are investigated based on a double Hanbury Brown–Twiss (HBT) scheme. The analytical results are obtained by taking the overall efficiency and background into account.