Electromagnetically induced transparency in a dipolar molecular system with Laguerre–Gaussian mode

Mishra, Abhay; Jagatap, B. N.

doi:10.1080/09500340.2020.1774086

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2022

2024

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“…So far, there has been studies on the effects of PDMs on EIT [21][22][23], STIRAP [24,25], pulse propagation [26], molecule cavity quantum electrodynamics [27], Goos-Hänchen shift manipulation [28], higher harmonic generation [18], population inversion [29] and optical bistability [30]. In this work, we study the propagation of a weak probe pulse through a closed loop three level Λ system with PDMs in presence of a strong control field and a third field.…”

Section: Introductionmentioning

confidence: 99%

Pulse amplification in a closed-loop Λ system with permanent dipole moments

Daloi¹,

Das²,

Dey³

2022

J. Opt.

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Propagation of a weak Gaussian probe pulse through a closed loop Λ system with permanent dipole moments (PDMs) is investigated in presence of a strong control field along with a third field. The presence of PDMs allows multi photon excitation, which are otherwise forbidden. The PDMs modify the Rabi frequencies of the probe, control, and the third field inside the medium which noticeably affects the propagation of probe pulse. The probe pulse is amplified during propagation with its Gaussian shape intact. Due to unprohibited two photon excitation it is possible to amplify a probe pulse whose frequency is twice of the control field’s frequency, with the help of the third field.

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