Stern–Gerlach effect of vector light bullets in a nonlocal Rydberg medium

Huang, Guoxiang; Mu, Yue

doi:10.1364/ol.475924

Cited by 5 publications

(1 citation statement)

References 12 publications

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“…The creation of 3D localized modes including light bullets (spatiotemporal solitons) has recently attracted a great deal of attention in diverse optical systems and Bose-Einstein condensates (BECs) from both theoretical predictions [37][38][39][40][41][42][43][44][45][46][47][48] and experimental observations [28][29][30]. Particularly, theoretical predictions demonstrated the storage and retrieval of (3 + 1)-dimensional low power (weak-light) bullets and vortices in ultracold 87 Rb atomic gases under the electromagnetically induced transparency (EIT) regime [41], such idea was then extended to ultracold Rydberg atomic gases which exhibit both the local and nonlocal nonlinearities [44,45].…”

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confidence: 99%

Light gap bullets in defocusing media with optical lattices

Chen¹,

Zeng²

2023

Preprint

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Searching for three-dimensional spatiotemporal solitons (also known as light/optical bullets) has recently attracted keen theoretical and experimental interests in nonlinear physics. Currently, optical lattices of diverse kinds have been introduced to the stabilization of light bullets, while the investigation for the light bullets of gap type-nonlinear localized modes within the finite gap of the underlying linear Bloch spectrum-is lacking. Herein, we address the formation and stabilization properties of such light gap bullets in periodic media with defocusing nonlinearity, theoretically and in numerical ways. The periodic media are based on two-dimensional periodic standing waves created in a coherent three-level atomic system which is driven to the regime of electromagnetically induced transparency, which in principle can also be replaced by photonic crystals in optics or optical lattices in ground-state ultracold atoms system. The temporal dispersion term is tuned to normal (positive) group velocity dispersion so that to launch the light gap bullets under self-repulsive nonlinearity; two types of such light gap bullets constructed as 3D gap solitons and vortices with topological charge m = 1 within the first finite gap are reported and found to be robustly stable in the existence domains. On account of the light bullets were previously limited to the semi-infinite gap of periodic media and continuous nonlinear physical systems, the light gap bullets reported here thus supplement the missing type of three-dimensional spatiotemporal localized modes in periodic media which exhibit finite band gaps.

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confidence: 99%

Light gap bullets in defocusing media with optical lattices

Chen¹,

Zeng²

2023

Preprint

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Optical Stern–Gerlach Effect in Periodically Poled Electro‐Optical Crystals

Zhu,

Liang,

Xie

et al. 2024

Laser & Photonics Reviews

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The Stern–Gerlach (SG) effect provided the first direct experimental evidence of the quantization of electron spin. Although some analog SG effects have been proposed in optical systems, finding a perfect optical analog for the SG effect remains a challenge. Here, a novel optical SG effect is demonstrated in periodically poled electro‐optical crystals. Induced by an applied electric field, the principal axes of crystal rock periodically along the propagation direction of light. When the quasi‐phase‐matching condition is satisfied, the electro‐optical coupling process within the periodically poled crystal can be accurately described by the Schrödinger–Pauli equation for spin‐1/2 particles. The output photons can be deflected toward opposite directions according to their intrinsic spin angular momentum (circular polarizations), since the transversely varying duty cycle of crystal arises an effective magnetic‐field gradient. Moreover, the output photons can be separated according to two arbitrary orthogonal polarization states, allowing us to construct high‐speed electro‐optically tunable polarization beam splitters for arbitrary orthogonal polarization states. Therefore, the optical SG effect provides not only a perfect optical analog for the quantum SG effect but also a useful optical element for optics and quantum physics.

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Light gap bullets in defocusing media with optical lattices

Chen

Zeng

2023

Chaos, Solitons & Fractals

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Stern–Gerlach effect of vector light bullets in a nonlocal Rydberg medium

Cited by 5 publications

References 12 publications

Light gap bullets in defocusing media with optical lattices

Light gap bullets in defocusing media with optical lattices

Optical Stern–Gerlach Effect in Periodically Poled Electro‐Optical Crystals

Light gap bullets in defocusing media with optical lattices

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