Bridging coherence optics and classical mechanics: A generic light polarization-entanglement complementary relation

Xiao Feng Qian, Misagh Izadi

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

While optics and mechanics are two distinct branches of physics, they are connected. It is well known that the geometrical/ray treatment of light has direct analogies to mechanical descriptions of particle motion. However, connections between coherence wave optics and classical mechanics are rarely reported. Here we report links of the two through a systematic quantitative analysis of polarization and entanglement, two optical coherence properties under the wave description of light pioneered by Huygens and Fresnel. A generic complementary identity relation is obtained for arbitrary light fields. More surprisingly, through the barycentric coordinate system, optical polarization, entanglement, and their identity relation are shown to be quantitatively associated with the mechanical concepts of center of mass and moment of inertia via the Huygens-Steiner theorem for rigid body rotation. The obtained result bridges coherence wave optics and classical mechanics through the two theories of Huygens.

Original languageEnglish
Article number033110
JournalPhysical Review Research
Volume5
Issue number3
DOIs
StatePublished - Jul 2023

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