Light-driven mass density wave dynamics in optical fibers
arXiv:1805.07230 · doi:10.1364/OE.26.022046
Abstract
We have recently developed the mass-polariton (MP) theory of light to describe the light propagation in transparent bulk materials [Phys. Rev. A 95, 063850 (2017)]. The MP theory is general as it is based on the covariance principle and the fundamental conservation laws of nature. Therefore, it can be applied also to nonhomogeneous and dispersive materials. In this work, we apply the MP theory of light to describe propagation of light in step-index circular waveguides. We study the eigenmodes of the electric and magnetic fields in a waveguide and use these modes to calculate the optical force density, which is used in the optoelastic continuum dynamics (OCD) to simulate the dynamics of medium atoms in the waveguide. We show that the total momentum and angular momentum in the waveguide are carried by a coupled state of the field and the medium. In particular, we focus in the dynamics of atoms, which has not been covered in previous theories that consider only field dynamics in waveguides. We also study the elastic waves generated in the waveguide during the relaxation following from atomic displacements in the waveguide.
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Cited by in corpus (13)
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- Lorentz covariance of the mass-polariton theory of light
- Lagrangian dynamics of the coupled field-medium state of light
- Radiation pressure measurement using a macroscopic oscillator in an ambient environment
- Covariant theory of light in a dispersive medium
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- Time-dependent optical force theory for optomechanics of dispersive 3D photonic materials and devices
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- Transfer of angular momentum of guided light to an atom with an electric quadrupole transition near an optical nanofiber
- Electromagnetic dynamical characteristics of a surface plasmon-polariton
- Quantitative in situ measurement of optical force along a strand of cleaved silica optical fiber induced by the light guided therewithin
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