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Optomechanical Heating and Cooling via Tip-Enhanced Raman Scattering in Epsilon-Near-Zero Medium

Gazizov, A. R. ; Salakhov, M. Kh ; Kharintsev, S. S.

JETP letters, 2023-05, Vol.117 (9), p.663-668 [Periódico revisado por pares]

Moscow: Pleiades Publishing

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Título:
Optomechanical Heating and Cooling via Tip-Enhanced Raman Scattering in Epsilon-Near-Zero Medium
Autor: Gazizov, A. R. ; Salakhov, M. Kh ; Kharintsev, S. S.
Assuntos: Atomic ; Biological and Medical Physics ; Biophysics ; Cooling ; Decay rate ; Heating ; Incident light ; Mathematical analysis ; Molecular ; Nanoantennas ; Optical and Plasma Physics ; Optics and Laser Physics ; Particle and Nuclear Physics ; Physics ; Physics and Astronomy ; Quantum Information Technology ; Raman spectra ; Refractivity ; Solid State Physics ; Spintronics
É parte de: JETP letters, 2023-05, Vol.117 (9), p.663-668
Descrição: Media with the dielectric permittivity close to zero (epsilon-near-zero or ENZ) maintain conditions for enhanced light-matter interactions. In this paper, we propose to use these media to enhance the optomechanical coupling of vibrational excitations of the medium with the optical near-field of the nanoantenna. It is shown that the ENZ medium significantly increases the optically induced decay rate of a vibration, which can be used for cooling (when the incident light frequency is less than the ENZ frequency) or heating (when the incident light frequency is greater than the ENZ frequency). Due to the proximity of the refractive index to zero as well, oscillations of the polarization of the medium are coherent, which further enhances the optomechanical effects. Analytical expressions are obtained for the optical shift of the resonance and the induced decay rate.
Editor: Moscow: Pleiades Publishing
Idioma: Inglês

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Optomechanical Heating and Cooling via Tip-Enhanced Raman Scattering in Epsilon-Near-Zero Medium

Gazizov, A. R. ; Salakhov, M. Kh ; Kharintsev, S. S.

Moscow: Pleiades Publishing

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