NanoPhot Group

Exploring the Frontiers of Light and Matter Interaction

Research Focus of the Quantum Optics and Nanophotonics Research Group

The Quantum Optics and Nanophotonics Research Group has a robust and multifaceted research trajectory spanning across quantum mechanics, photonics, and nanotechnology. The core of the group's research delves into the exploration and understanding of quantum dots, and their diverse configurations and potentials. The group has particularly focused on quantum dots shaped as spherical, ellipsoidal, cylindrical, and conical, among others.

1. Quantum System Configurations and Potentials:

The group has amalgamated its studies on various confining potentials, such as the Kratzer, modified Pöschl–Teller, and Morse potentials, with its research on advanced quantum dot structures like core/shell/shell spherical quantum dots. By understanding how these potentials influence the electronic states of quantum systems and the characteristics of diverse quantum dot structures, they're paving the way for innovative quantum device designs.

2. Optical Properties and External Influences:

The research group delves deep into the electro-optic properties of quantum systems, focusing on aspects like light absorption in quantum dots and the impacts of external electric and magnetic fields. Such endeavors not only enhance knowledge of direct interband light absorption, which is fundamental to optoelectronics, but also offer insights into linear and nonlinear optical behaviors. This comprehensive approach facilitates the design of advanced optoelectronic devices and strengthens the foundation of quantum communication methodologies.

3. Impurities, Nanophotonics, and Quantum Information:

The team's dedication is evident in their exploration of impurity states in quantum systems and their influence on optical and electronic behaviors. This work complements their pioneering efforts in the nanophotonics sector, especially on diamond-like carbon nanocomposite thin films. Simultaneously, the group's foray into quantum information science, emphasizing quantum dots' properties like exciton states and trions, marks their commitment to shaping the future of quantum technology and its applications.

In conclusion, the Quantum Optics and Nanophotonics Research Group stands at the crossroads of quantum mechanics, photonics, and nanotechnology. Their work provides a comprehensive view of quantum systems, from their most basic forms to advanced configurations, and offers a roadmap for the future of quantum technology and its myriad applications.

Latest Publications

Effect of Gaussian and Bessel laser beams on linear and nonlinear optical properties of vertically coupled cylindrical quantum dots.

Sargsian, T.A., Mantashyan, P.A., and Hayrapetyan, D.B.

Nano-Structures & Nano-Objects, 33, p.100936, 2023.

Hydrogen-like donor impurity states in strongly prolate ellipsoidal quantum dot.

Hayrapetyan, D.B.

Physica E: Low-dimensional Systems and Nanostructures, 145, p.115493, 2023.

Nonlinear optical properties of coupled quantum dots in peanut configuration.

Hakobyan, E.S., Baghdasaryan, D.A., Kazaryan, E.M., Mantashyan, P.A., and Hayrapetyan, D.B.

Philosophical Magazine, pp.1-16, 2023.

Optical Properties of Conical Quantum Dot: Exciton-Related Raman Scattering, Interband Absorption and Photoluminescence.

Gavalajyan, S.P., Mantashian, G.A., Kharatyan, G.T., Sarkisyan, H.A., Mantashyan, P.A., Baskoutas, S., and Hayrapetyan, D.B.

Nanomaterials, 13(8), p.1393, 2023.

Modeling of Quantum Dots with the Finite Element Method.

Mantashian, G.A., Mantashyan, P.A., and Hayrapetyan, D.B.

Computation, 11(1), p.5, 2023.

Talbot effect in InAs/GaAs coupled cylindrical quantum dots ensemble.

Mantashyan, P., Mantashyan, G., and Hayrapetyan, D.

Physica E: Low-dimensional Systems and Nanostructures, 148, p.115662, 2023.

Impact of Intense Laser Bessel Beam on Excitonic Complexes in Ellipsoidal Quantum Dot.

Bleyan, Y., Sargsian, T., Kostanyan, A., Hayrapetyan, D., and Mantashyan, P.A.

Available at SSRN 4482548.

Effect of Gaussian and Bessel laser beams on linear and nonlinear optical properties of vertically coupled cylindrical quantum dots.

Sargsian, T.A., Mantashyan, P.A., and Hayrapetyan, D.B.

Nano-Structures & Nano-Objects, 33, p.100936, 2023.