Physics of highly multimode nonlinear optical systems

Wright, Logan G.; Wu, Fan O.; Christodoulides, Demetrios N.; Wise, Frank W.

doi:10.1038/s41567-022-01691-z

Cited by 41 publications

(17 citation statements)

References 168 publications

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“…This review aims to introduce the theoretical background of light transport in ideal, perturbed and disordered fibers; to assess the available technology for manipulating and harnessing the delivery of light through MMFs in experimental settings; to discuss the broad spectrum of applicability of MMFs; and finally, to outline the current research trends and open questions of this exciting field. This review is limited to classical light and to linear optical processes in MMFs, thereby excluding topics such as multimode nonlinear optical processes [51] and quantum optics with MMFs [52], as well as MMF-based lasers and amplifiers [53]. Further, we neither cover single-or few-mode fibers, nor fiber bundles.…”

Section: Introductionmentioning

confidence: 99%

Controlling light propagation in multimode fibers for imaging, spectroscopy, and beyond

Cao¹,

Čižmár²,

Turtaev³

et al. 2023

Adv. Opt. Photon.

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Light transport in a highly multimode fiber exhibits complex behavior in space, time, frequency and polarization, especially in the presence of mode coupling. The newly developed techniques of spatial wavefront shaping turn out to be highly suitable to harness such enormous complexity: a spatial light modulator enables precise characterization of field propagation through a multimode fiber, and by adjusting the incident wavefront it can accurately tailor the transmitted spatial pattern, temporal profile and polarization state. This unprecedented control leads to multimode fiber applications in imaging, endoscopy, optical trapping and microfabrication. Furthermore, the output speckle pattern from a multimode fiber encodes spatial, temporal, spectral and polarization properties of the input light, allowing such information to be retrieved from spatial measurements only. This article provides an overview of recent advances and breakthroughs in controlling light propagation in multimode fibers, and discusses newly emerging applications.

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Section: Introductionmentioning

confidence: 99%

Controlling light propagation in multimode fibers for imaging, spectroscopy, and beyond

Cao¹,

Čižmár²,

Turtaev³

et al. 2023

Adv. Opt. Photon.

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“…The ζ interval of several hundred units corresponds to tens of centimeters. The system under consideration is in principle similar to graded-index multimode optical fibers, although light beams in the latter case are narrower, only a few wavelengths (see, e.g., [49][50][51][52][53] and references therein). A more important difference is the defocusing character of nonlinearity in our case, whereas conventional optical fibers are made of materials with focusing nonlinearity.…”

Section: Optics and Laser Physicsmentioning

confidence: 99%

“Capillary” Structures in Transversely Trapped Nonlinear Optical Beams

Ruban

2023

Jetp Lett.

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A mathematical analogy between paraxial optics with two circular polarizations of light in a defocusing Kerr medium with positive dispersion, binary Bose–Einstein condensates of cold atoms in the phase separation regime, and hydrodynamics of two immiscible compressible liquids can help in theoretical search for unknown three-dimensional coherent optical structures. In this work, transversely trapped (by a smooth profile of the refractive index) light beams are considered and new numerical examples are presented, including a “floating drop,” a precessing longitudinal optical vortex with an inhomogeneous profile of filling with the second component, and the combination of a drop and a vortex filament. Filled vortices that are perpendicular to the beam axis and propagate at large distances have also been simulated.

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“…Finally, we emphasize that all the scattering matrix-based concepts covered in this Review rely on a linear relationship between input and output fields. In this sense, we have entirely left out the propagation of light through nonlinear complex media, where fascinating phenomena like self-organization and instabilities of multimode light arise due to nonlinear interactions (see companion review by Wright et al 151 ). For all the current and emerging research directions discussed in this special issue, our Review is intended to provide an easily accessible basis on which advanced concepts can build.…”

Section: Review Article | Insightmentioning

confidence: 99%