Controlling the electromagnetic degree of coherence and degree of cross-polarization in Young´s interferometer illuminated by incoherent electromagnetic fields
Year: 2026
Authors: Kumar D., Joshi R., Gyaprasad., Singh H.K., Bisht N.S.
Autors Affiliation: Govt PG Coll, Dept Phys, Bageshwar 249193, Uttarakhand, India; Govt Degree Coll Danya, Dept Phys, Almora 263622, Uttarakhand, India; Govt Degree Coll Jaithra, Dept Phys, Etah 207249, Uttar Pradesh, India; Ist Nazl Ott Applicata CNR INO, Largo Enr Fermi 6, I-50125 Florence, Italy; Soban Singh Jeena Univ Almora, Dept Phys, Almora 263601, Uttarakhand, India.
Abstract: In this paper, we theoretically investigate that when spatially incoherent light is incident on a Young’s interferometer, the electromagnetic degree of coherence and the degree of cross-polarization of the transmitted beam through the interferometer can be controlled at specific pairs of points. It is observed that the transmitted light becomes fully coherent at these specific points when the degree of polarization at both pinholes is equal to 1. In other words, the electromagnetic degree of coherence of the transmitted light at certain points depends on the degree of polarization at the two pinholes of Young’s interferometer. Additionally, in the transmitted beam at these specific pairs of points, the degree of cross-polarization equals the degree of polarization at the pinholes of Young’s interferometer. Lastly, we also propose an experimental configuration to realize our theoretical findings.
Journal/Review: OPTICS COMMUNICATIONS
Volume: 600 Pages from: 132706-1 to: 132706-5
KeyWords: Degree of polarization; Degree of cross-polarization; Degree of coherence; Electromagnetic fieldsDOI: 10.1016/j.optcom.2025.132706
