The higher-order coherence functions of optical fields involving phase fluctuations have not yet been studied extensively. We discuss here an experiment which can in principle yield the fourth-order coherence function. This experiment is a study of the correlation function of the irradiance fluctuations obtained in some interference experiments. Two kinds of delay are then used: optical delays in the interferometer and electrical delays with suitable variations in the correlator.
The results of the experiment are calculated theoretically with a particular statistical model of laser light. The possibility of using a spectrum analyzer instead of a correlator is discussed.
© 1968 Optical Society of AmericaFull Article | PDF Article
OSA Recommended Articles
B. Picinbono and E. Boileau
J. Opt. Soc. Am. 58(6) 784-789 (1968)
Sucbei Moon, Heeso Noh, and Dug Young Kim
Opt. Express 21(20) 23206-23219 (2013)
M. G. Miller, A. M. Schneiderman, and P. F. Kellen
J. Opt. Soc. Am. 65(7) 779-785 (1975)