Characterization of polarization fluctuations in random electromagnetic beams
2009 (English)In: New Journal of Physics, ISSN 1367-2630, Vol. 11Article in journal (Refereed) Published
Two stationary, partially polarized electromagnetic beams with equal degrees of polarization may exhibit completely different time evolutions of the instantaneous polarization state. In this work, we derive a statistical quantity that describes the rate at which the field intensity in the beam, on average, is redistributed between the beam's polarization state at any time and the state orthogonal to it. This method allows one to treat the dynamical properties of the polarization fluctuations both theoretically and experimentally. We demonstrate the method by applying it to important special cases, such as fields obeying Gaussian statistics, black-body radiation pencils and depolarized laser beams. We also prove that a geometric approach introduced earlier is closely connected with the present model.
Place, publisher, year, edition, pages
2009. Vol. 11
mode dispersion, optical-fibers, coherence, parameters, radiation, light, field
IdentifiersURN: urn:nbn:se:kth:diva-18599DOI: 10.1088/1367-2630/11/7/073004ISI: 000267949600002ScopusID: 2-s2.0-67651232221OAI: oai:DiVA.org:kth-18599DiVA: diva2:336646
QC 201005252010-08-052010-08-052011-01-19Bibliographically approved