Optical bistability in a three-level lambda molecule with permanent dipole moments

Asadpour, Seyyed Hossein; Soleimani, H. Rahimpour

doi:10.1364/josab.31.003123

Cited by 11 publications

(5 citation statements)

References 55 publications

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“…It is well known that the main conditions for the observations of exciting phenomena like electromagnetically induced transparence (EIT) [1], optical bistability (OB) [2,3], coherent population trapping [4,5], optical solitons [6,7], four-wave mixing (FWM) [8,9], and others [10][11][12][13][14][15][16] are quantum coherence * Author to whom any correspondence should be addressed. and interference.…”

Section: Introductionmentioning

confidence: 99%

Highly efficient exchange of orbital angular momentum of light via electron spin coherence

Alkawak¹,

Raheem²,

Yasin³

et al. 2022

Laser Phys.

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In this letter we analysed the efficient exchange of orbital angular momentum (OAM) of light in a double V-type semiconductor quantum well via electron spin coherence. We found that due to the four-wave mixing (FWM) mechanism the OAM state of the vortex light can transfer from applied lights to a new generated signal beam when the efficiency of the FWM processes is enough high. We also shown that the absorption spectrum of the new generated light depends on the OAM number and azimuthal angle of the optical vortex light. We realized that for some specific parametric conditions the absorption spectrum of the generated light becomes negative which corresponds to the lasing without inversion.

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Section: Introductionmentioning

confidence: 99%

Highly efficient exchange of orbital angular momentum of light via electron spin coherence

Alkawak¹,

Raheem²,

Yasin³

et al. 2022

Laser Phys.

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“…Due to the presence of permanent dipole moments (PDM) in polar molecules, new phenomena emerges which are significantly different from the ones in absence of PDM. So far, there has been studies on the effects of PDMs on EIT [16,17], STIRAP [18,19], pulse propagation [20], higher harmonic generation [21], population inversion [22] and optical bistability [23]. 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

Daloi,

Das,

Dey

2022

Preprint

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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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“…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%