Single-shot measurement of the space-varying polarization state of light through interferometric quantification of the geometric phase

Spin-orbit interaction deals with the interaction and coupling of spin and orbital angular momentum degrees of freedom of spinning particles, which manifests in diverse fields of physics, ranging from atomic, condensed matter to optical systems. In classical light beams, this has led to a number of non-trivial optical phenomena like spin and orbital Hall effect of light, optical Rashba effect, photonic Aharonov–Bohm effect, rotational Doppler effect, transverse spin, Belinfante’s spin-momentum and spin-momentum locking etc. These have been observed in diverse micro- and nano-scale optical systems. These have generated a new area in photonics, namely, spin-orbit photonics that not only deals with fundamental light-matter interaction effects but also opened up the feasibility of a new generation of miniaturized and on-chip integrable multifunctional photonic devices based on the angular momentum and geometrical phase of light. This paper will introduce the emerging field of spin-orbit photonics and will cover the representative spin-orbit photonic effects in a variety of light-matter interactions with examples. In this regard, we also present proof-of-concept demonstrations of two interesting techniques based on the geometrical phase of light, namely, geometrical phase polarimeter and weak value polarimeter.

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Generalized framework of weak-value amplification in path interference of polarized light for the enhancement of all possible polarization anisotropy effects

Modak

Athira

Singh

et al. 2021

Phys. Rev. A

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Single-shot measurement of the space-varying polarization state of light through interferometric quantification of the geometric phase

Cited by 5 publications

References 31 publications

Applications of liquid crystal planer optical elements based on photoalignment technology in display and photonic devices

Applications of liquid crystal planer optical elements based on photoalignment technology in display and photonic devices

Towards the development of new generation spin-orbit photonic techniques

Generalized framework of weak-value amplification in path interference of polarized light for the enhancement of all possible polarization anisotropy effects

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