Converting surface plasmon to spatial Airy beam by graded grating on metal surface

Tang, Xia-Mei; Li, L.; Li, T.; Wang, Q. J.; Zhang, X. J.; Zhu, Shining; Zhu, Yanyan

doi:10.1364/ol.38.001733

Cited by 32 publications

(14 citation statements)

References 17 publications

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“…In addition, Tang et al . have demonstrated the conversion of SPPs propagating at a metal–air interface into an Airy beam radiated into free space. They utilized the non‐perfectly matched diffraction technique they had developed in Ref.…”

Section: Related Problemsmentioning

confidence: 99%

Airy plasmons: non‐diffracting optical surface waves

Minovich

Klein

Neshev

et al. 2013

Laser & Photonics Reviews

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Airy beams represent an important class of nondiffracting waves which can be realized on a flat surface. Being generated in the form of surface-plasmon polaritons, such Airy plasmons demonstrate many remarkable properties: they do not diffract while propagating along parabolic trajectories, and they recover their shape after passing through obstacles. This paper reviews the basic physics of Airy plasmons in both paraxial and non-paraxial cases, and describes the experimental methods for generation of Airy surface waves on metal surfaces, including a control of their trajectories, as well as the interference of Airy plasmons and hot-spot generation. Many unusual properties of Airy plasmons can be utilized for useful applications, including plasmonic circuitry and surface tweezers. Picture: Observation of two colliding Airy plasmons.

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Section: Related Problemsmentioning

confidence: 99%

Airy plasmons: non‐diffracting optical surface waves

Minovich

Klein

Neshev

et al. 2013

Laser & Photonics Reviews

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“…However, most of the metasurfaces are driven by free-space light to realize functions, such as beam deflection (13,14), generating orbital angular momentum (OAM) beams (13), light focusing (15), and holograms (16), which makes it difficult for further on-chip integration (e.g., integrating with light sources on the same chip). Besides, plasmonic metasurfaces have been used to route surface plasmon polariton waves to arbitrary free-space radiation (17)(18)(19)(20), and their design principles can be leveraged to bridge the gap between guided waves and free-space waves.…”

Section: Introductionmentioning

confidence: 99%

Molding free-space light with guided wave–driven metasurfaces

et al. 2020

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Metasurfaces with unparalleled controllability of light have shown great potential to revolutionize conventional optics. However, they mainly require external light excitation, which makes it difficult to fully integrate them on-chip. On the other hand, integrated photonics enables packing optical components densely on a chip, but it has limited free-space light controllability. Here, by dressing metasurfaces onto waveguides, we molded guided waves into any desired free-space modes to achieve complex free-space functions, such as out-of-plane beam deflection and focusing. This metasurface also breaks the degeneracy of clockwise- and counterclockwise-propagating whispering gallery modes in an active microring resonator, leading to on-chip direct orbital angular momentum lasing. Our study shows a viable route toward complete control of light across integrated photonics and free-space platforms and paves a way for creating multifunctional photonic integrated devices with agile access to free space, which enables a plethora of applications in communications, remote sensing, displays, etc.

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“…However, this previous method is not appropriate for using in a compact-sized system because bulky optical devices, such as femtosecond lasers and spatial light modulators, are required. Recently new methods are used for launching an accelerating wave packet that are based on the use of a metallic diffractive element [12,13]. Such planar diffracting structures have a slowly varying periodicity to induce a cubic dephase.…”

Section: Introductionmentioning

confidence: 99%