Experimental test of the first- and second-order duality relations for the two-photon states
Jie‐Hui Huang, Hongyu Liu, Jiangrui Gao, Muhammad Suhail Zubairy, Shi‐Yao Zhu · Physical Review A · 2013
The first- and second-order wave-particle dualities for two-photon states are investigated in a Mach-Zehnder interferometer. These duality relations are experimentally tested through two-photon pure states and two-photon mixed states. The experimental results are in full agreement with the theoretical predictions. The optical fields exhibiting the same first-order particlelike and wavelike behaviors may carry entirely different second-order duality information, which implies that the higher-order duality relations are a useful tool for analyzing the wave-particle duality for multiphoton states.