Gaussian Pulse Propagation via Bright and Dark Solitons through an Atomic Medium

Ali, Afsar; Bacha, Bakht Amin; Wahid, Umer; Rahman, Amin Ur

doi:10.1007/s10946-021-09940-x

Cited by 3 publications

(1 citation statement)

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“…Song et al [40] presented a detailed overview of the experimentally verified optical solitons in fiber lasers, including bright solitons, dark solitons, vector solitons, dissipative solitons, dispersion managed solitons, breathers and so on. Afsar et al [41] studied the Gaussian pulse propagation as well as the phase of control fields and localized intensity of dark and bright solitons with the intensity of control fields and time domain. Similarly Song and his co-worker [42] investigated the propagation dynamics of rotating LG(Laguerre-Gaussian) soliton arrays in nonlinear media.…”

Section: Introductionmentioning

confidence: 99%

Dynamics of bright optical solitons through a coherent atomic medium

Ahmad¹,

Bacha²,

Ullah³

et al. 2021

Phys. Scr.

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A coherent atomic medium is proposed for manipulating the absorption, dispersion, transmission and reflection of an optical soliton via two strong coherent control field's Rabi oscillations, detunings and incident angles. Significant anomalous dispersion regions and a negative group index are investigated. A group index of n g =−1500 and a negative group velocity of v g =−2.0×10 5 ms −1 is calculated. This leads to superluminal propagation (v g >c) in the anomalous dispersion region. A significant cancellation of linear and nonlinear effects results a bright optical soliton in the coherent atomic medium. Similarly the shape-preserving phenomenon of the bright optical solitons is investigated by launching the input pulse at different incident angles. As a result, the intensity distribution of the optical solitons has no fluctuation in time t/τ 0 with any values of y/ω 0 and shows a significant bright form of solitary waves. These solitons show remarkable applications in optics, particularly in soliton radar technology for medical purposes, controlling the intensity of bright solitons for the modification of optical information processing, high-speed optical switching and quantum communication.

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Section: Introductionmentioning

confidence: 99%