Pondermotive forces with slow light.
نویسنده
چکیده
This work describes atomic processes which result from the greatly enhanced longitudinal gradient force which is inherent to the propagation of slow light. These processes are (1) ballistic atom motion and atom surfing, and (2) a type of local pondermotive nonlinearity or scattering which results from free-particle sinusoidal motion and the density variation caused by this motion.
منابع مشابه
Numerical simulation of filamentation in laser-plasma interactions
Numerical studies of beam filamentation in laser-produced plasma are presented. This involves the numerical solution of the parabolic wave equation. known as the Schrodinger equation, coupled with the thermal transport equations for both ions and electrons, in two dimensions. The solutionof the resultingequationwith non-linear refractive index due to thermal and pondermotive forces. shows self-...
متن کاملOptical forces between coupled plasmonic nanoparticles near metal surfaces and negative index material waveguides
We present a study of light-induced forces between two coupled plasmonic nanoparticles above various slab geometries including a metallic half-space and a negative index material (NIM) slab waveguide. We investigate optical forces by nonperturbatively calculating the scattered electric field via a Green function technique which includes the particle interactions to all orders. For excitation fr...
متن کاملEnhancement mechanisms for optical forces in integrated optics
We investigate the extension of optical micromanipulation to integrated optics. In particular, we consider whether propagating light signals can cause mechanical reconfiguration of a device. While such forces are intrinsically weak, we predict theoretically that significant displacements can be achieved using various enhancement mechanisms. These include the use of high-index materials, high-Q ...
متن کاملSlow-light enhanced optical forces between longitudinally shifted photonic-crystal nanowire waveguides.
We reveal that slow-light enhanced optical forces between side-coupled photonic-crystal nanowire waveguides can be flexibly controlled by introducing a relative longitudinal shift. We predict that close to the photonic band edge, where the group velocity is reduced, the transverse force can be tuned from repulsive to attractive, and the force is suppressed for a particular shift value. Addition...
متن کاملThe Effect of Antenna Movement and Material Properties on Electromagnetically Induced Transparency in a Two-Dimensional Metamaterials
Increasing development of nano-technology in optics and photonics by using modern methods of light control in waveguide devices and requiring miniaturization and electromagnetic devices such as antennas, transmission and storage as well as improvement in the electromagnetic tool, have led researchers to use the phenomenon of electromagnetically induced transparency (EIT) and similar phenomena i...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- Physical review letters
دوره 85 19 شماره
صفحات -
تاریخ انتشار 2000