Position-position classical entanglement realized through optical beam shifts

Niladri Modak; S. Ashutosh; Shyamal Guchhait; Sayantan Das; Nirmalya Ghosh

doi:10.1117/12.2647706

15 March 2023 Position-position classical entanglement realized through optical beam shifts

Niladri Modak, S. Ashutosh, Shyamal Guchhait, Sayantan Das, Nirmalya Ghosh

Proceedings Volume 12436, Complex Light and Optical Forces XVII; 124360E (2023) https://doi.org/10.1117/12.2647706
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Optical beams reflected or transmitted from an interface experience polarization-dependent subwavelength deflection in the centroid. We demonstrate the inherent non-separability of longitudinal and transverse beam shift taking an example of the partial reflection of a Gaussian beam from an air-glass interface. The specific regimes in the parameter space manifesting the observable non-separability are pointed out. Such non-separability leads to a classical position-position entanglement from a simple partial reflection of a Fundamental Gaussian beam. The experimental parameters offer control over the degree of entanglement. Such a non-separable structure of light and its dependence on the system parameters might have potential applications in sensing and metrology.

Conference Presentation

Citation Download Citation

Niladri Modak, S. Ashutosh, Shyamal Guchhait, Sayantan Das, and Nirmalya Ghosh "Position-position classical entanglement realized through optical beam shifts", Proc. SPIE 12436, Complex Light and Optical Forces XVII, 124360E (15 March 2023); https://doi.org/10.1117/12.2647706

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