Recent Advances in Generation and Detection of Orbital Angular Momentum Optical Beams—A Review

Fatkhiev, Denis M.; Butt, Muhammad Ali; Grakhova, Elizaveta P.; Kutluyarov, Ruslan V.; Stepanov, I.V.; Kazanskiy, Nikolay L.; Хонина, С. Н.; Lyubopytov, Vladimir S.; Sultanov, Albert Kh.

doi:10.3390/s21154988

Cited by 55 publications

(21 citation statements)

References 211 publications

(292 reference statements)

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“…of integrated photonic systems. Hopefully, vortex beams in light, as well as other forms of waves, will continue to thrive and enable new applications in many other fields [123,124] .…”

Section: Discussionmentioning

confidence: 99%

Vortex beam: generation and detection of orbital angular momentum [Invited]

Bai

et al. 2022

Chin. Opt. Lett.

108

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“…of integrated photonic systems. Hopefully, vortex beams in light, as well as other forms of waves, will continue to thrive and enable new applications in many other fields [123,124] .…”

Section: Discussionmentioning

confidence: 99%

Vortex beam: generation and detection of orbital angular momentum [Invited]

Bai

et al. 2022

Chin. Opt. Lett.

108

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“…Vortex beams have a phase singularity of the form exp (imφ) and have the orbital angular momentum (OAM) equal to mħ per photon [ 232 ], where m is the topological charge (TC). Vortex beams are widely used in many fields of science and technology: laser manipulation of micro-objects, optical communications, super-resolution confocal optical microscopy, laser processing of materials, imaging optics and many others [ 233 , 234 , 235 , 236 , 237 , 238 , 239 , 240 ].…”

Section: Axicons Applied As Sensorsmentioning

confidence: 99%

Modern Types of Axicons: New Functions and Applications

Хонина

Kazanskiy

Khorin

et al. 2021

Sensors

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Axicon is a versatile optical element for forming a zero-order Bessel beam, including high-power laser radiation schemes. Nevertheless, it has drawbacks such as the produced beam’s parameters being dependent on a particular element, the output beam’s intensity distribution being dependent on the quality of element manufacturing, and uneven axial intensity distribution. To address these issues, extensive research has been undertaken to develop nondiffracting beams using a variety of advanced techniques. We looked at four different and special approaches for creating nondiffracting beams in this article. Diffractive axicons, meta-axicons-flat optics, spatial light modulators, and photonic integrated circuit-based axicons are among these approaches. Lately, there has been noteworthy curiosity in reducing the thickness and weight of axicons by exploiting diffraction. Meta-axicons, which are ultrathin flat optical elements made up of metasurfaces built up of arrays of subwavelength optical antennas, are one way to address such needs. In addition, when compared to their traditional refractive and diffractive equivalents, meta-axicons have a number of distinguishing advantages, including aberration correction, active tunability, and semi-transparency. This paper is not intended to be a critique of any method. We have outlined the most recent advancements in this field and let readers determine which approach best meets their needs based on the ease of fabrication and utilization. Moreover, one section is devoted to applications of axicons utilized as sensors of optical properties of devices and elements as well as singular beams states and wavefront features.

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“…In particular, orbital angular momentum (OAM) beams [3], also called optical vortices (OVs), offered a new degree of freedom to encode information in classical communications [4] or increase the Hilbert state space in quantum applications [5,6], while their peculiar intensity and phase distributions enabled innovative and advanced techniques in microscopy [7], micro-manipulation [8], and light-matter interaction [9]. Concurrently, the necessity to tailor and control this spatial property of light inspired the design and engineering of new techniques with different levels of complexity and integration [10][11][12][13][14]. Among all, spiral phase plates (SPPs) [15] represent one of the first optical elements purposely introduced to impart orbital angular momentum to common non-structured beams.…”

Section: Introductionmentioning

confidence: 99%

Design of Dual-Functional Metaoptics for the Spin-Controlled Generation of Orbital Angular Momentum Beams

2022

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The capability of multiple orbital angular momentum (OAM) modes generation with high resolution and diversified functionalities in the visible and near-infrared regime is challenging for flat and integrated optical devices. Additionally, having a static tiny optical device capable of generating multiple structured spots in space reduces the complexity of optical paths that typically use dynamic optical components and/or many standard elements, leading to unprecedented miniaturization and compactness of optical systems. In this regard, we propose dual-functional transmission dielectric metalenses based on a set of Pancharatnam-Berry phase meta-atoms with different cross-sections, for the combined manipulation of the dynamic and geometric phases. In particular, we present and describe the numerical algorithms for the computation of dual-functional metaoptics and we apply those techniques to the design of optical elements which are able to generate and focus different OAM modes at distinct points in space. In the specific, the designed elements enable the independent or simultaneous manipulation of right-handed and left-handed circularly polarized waves, by acting on the helicity of the input beam to enable or disable a specific optical operation. The theoretical proof-of-concept results highlight the capability of the designed metalenses to generate multiple high-resolution focused OAM modes at different points in space by exploiting the polarization of the incident beam as a degree of freedom, thus providing new integrated optics for applications in the fields of high-resolution microscopy, optical manipulation, and optical communications, both in the classical and single-photon regimes.

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Recent Advances in Generation and Detection of Orbital Angular Momentum Optical Beams—A Review

Cited by 55 publications

References 211 publications

Vortex beam: generation and detection of orbital angular momentum [Invited]

Vortex beam: generation and detection of orbital angular momentum [Invited]

Modern Types of Axicons: New Functions and Applications

Design of Dual-Functional Metaoptics for the Spin-Controlled Generation of Orbital Angular Momentum Beams

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