Azimuthal dependence of electromagnetically induced grating in a double V-type atomic system near a plasmonic nanostructure

The optomechanically induced grating (OMIG) in a nanocavity using a bilayer graphene system as the intracavity medium has been proposed. We investigate the effects of different parameters on the Fraunhofer diffraction pattern of the incident probe light. Here, one mirror of the nanocavity is considered coherently driven by the standing wave coupling and probe fields, whereas the second mirror has mechanical oscillation due to the radiation pressure. We consider interaction of bilayer graphene with the optomechanical cavity and show that OMIG can be obtained corresponding to output probe field frequency. Moreover, we find that under specific parametric conditions, most of the probe energy can transfer to the higher orders of the diffraction and only a small portion remains in the zero order.

Section: Introductionmentioning

confidence: 99%

Optomechanically induced grating in a graphene based nanocavity

Abdullaeva,

Alawsi,

Alawadi

et al. 2023

“…Modern photonics has the capacity to perform a multitude of operations through the utilization of nonlinear optics, such electromagnetically induced transparency [1], optical solitons [2], four-wave mixing [3] and others [4][5][6][7][8]. Typically, intense field intensities are required to alter the optical properties of materials to engender nonlinear effects [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

“…Typically, intense field intensities are required to alter the optical properties of materials to engender nonlinear effects [9][10][11]. Nevertheless, efficacious nonlinear devices with low light intensity can be generated by utilizing the potent localization of electromagnetic field in the form of surface plasmon polaritons [4,7,[12][13][14][15]. Therefore, considerable endeavors have been undertaken to investigate both theoretically and experimentally the nonlinearity at the nanoscale utilizing plasmonic devices.…”

Section: Introductionmentioning

confidence: 99%

Optical bistability and multistability in hybrid system

Zhang¹,

Wu²,

Dang³

2023

In this letter, a comprehensive investigation has been conducted on the optical bistability (OB) and optical multistability (OM) phenomena manifested by transmitted light in a ring cavity consisting of a hybrid system of metal nanoparticle (MNP) and semiconductor quantum dot (SQD). Our study has been primarily devoted to examining the influence of the distance between SQD and MNP, as well as the susceptibilities of the SQD, the MNP, and the hybrid nanostructure as a whole, on the OB and OM traits of the transmitted light. Our discoveries demonstrate that a transition from OB to OM, or vice versa, can be accomplished for a definite distance between MNP and QD. It is our contention that our proposed model may have potential applications in the domain of quantum information processes based on SQD-MNP hybrid systems.

“…A wealth of research has been conducted on various multi-level atomic systems that integrate with the original EIG scheme [17][18][19][20][21][22][23][24][25]. These studies have also delved into more complex four-level configurations that involve interactions with multiple fields, including N-type [26], Laddertype atomic systems [27], and intriguing processes that occur near plasmonic nanostructures [28] and quantum wells [29]. Such recent works have broadened the horizon of exploring the rich physics of EIT and EIG, paving the way for further investigations.…”

Section: Introductionmentioning

confidence: 99%

Operating mode dependent energy transfer efficiency in a quantum well waveguide

Al-Dolaimy,

Kzar,

Jamil

et al. 2023

In this paper, we delve into the intricate interplay between optical fields with varying relative phases in a closed-loop configuration semiconductor quantum well waveguide with four distinct energy levels, and how it impacts the Fraunhofer diffraction patterns obtained via four-wave mixing. By harnessing a strong control field, a standing wave driving field, and two weak probe and signal fields, we drive the waveguide to generate these patterns with maximum efficiency. To achieve this, we consider three distinct light-matter interaction scenarios, where the system is first set up in either a lower electromagnetically induced transparency or a coherent population trapping state, followed by a final state that enables electron spin coherence (ESC) induction. Our results reveal that the efficiency of Fraunhofer diffraction in the quantum well waveguide can be enhanced significantly under specific parameter regimes via the spin coherence effect. Further investigation of the light-matter interaction in the ESC zone, where only one of the control fields is a standing wave field, demonstrates that spin coherence facilitates more efficient transfer of energy from the probe light to the third and fourth orders, highlighting its crucial role in shaping the diffraction patterns.