Optical lattice standing wave
WebApr 3, 2024 · The lattice wavelength is λ = 800 nm. The duration time of applying 2D optical lattice pulse on BEC is 4 μs and TOF=7 ms. As expected, the atomic density distributions of the time-of-flight absorption image exhibit discrete momentum components. WebDownload scientific diagram Optical lattice potentials.a, The standing-wave interference pattern creates a periodic potential in which the atoms move by tunnel coupling between the individual ...
Optical lattice standing wave
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WebA coherent beam of particles incident on a standing wave of electromagnetic radiation (typically light) will be diffracted according to the equation: where n is an integer, λ is the de Broglie wavelength of the incident particles, d is the spacing of … WebOptical pumping is most likely to occur at the antinode of the σ− standing wave, transferring the atom from the top of a hill of the potential U12, to the bottom of a well in the potential U−12.
WebOct 15, 2024 · An optical lattice (OL), an artificial spatial periodic structure, is a clean and highly controllable system with many important applications in atomic physics, optics and quantum physics. ... commonly by introducing a frequency difference or time-varying phase difference between the two lasers forming the standing-wave potential. Due to the ... WebIn this Letter, we show that a three-dimensional Bose-Einstein solitary wave can become stable if the dispersion law is changed from quadratic to quartic. We suggest a way to realize the quartic dispersion, using shake…
WebMar 9, 2024 · Researchers have detected the existence of a charge density wave of electrons that acquires mass as it interacts with the background lattice ions of the … WebRecently, new classes of optical lattices were identified, permitting the creation of arbitrarily large two- and three-dimensional arrays of tightly confined excitation maxima of controllable periodicity and polarization from the superposition of a finite set of plane waves.
WebFeb 21, 2024 · With the aid of spatial atomic density and standing wave modulation, both the optical PT symmetry and PT antisymmetry are achieved in one-dimensional and two-dimensional optical lattices, where the PT antisymmetry with the gain is presented.
Weban optical lattice, a standing wave of light formed by tightly focused laser beams. The lattice holds the atoms for more than one second (an extremely long period on the atomic … ipod speaker alarm clockWebOptical Lattices. Last day we talked about the presence of "bandstructure" in solids. Namely the eigenstates for electrons in crystals "bunch up." ... ^2.$ Thus a standing wave of light will produce a potential. Lets specialize to the potential you get when you aim two lasers in opposite dicrections: \begin{equation} E = E_0{\rm Real}\left[e^{i ... orbit easy dial 6 station timerWebWe first consider a general class oftwo-mode nonlinear systems - relevant to optical Kerr cavities, waveguides andBose-Einstein condensates - where we find an emergent four-wave mixingnonlinearity, which originates from pair-hopping processes in … ipod sound system for motorcyclesWebMar 18, 2008 · We report an experimental method to create optical lattices with real-time control of their periodicity. We demonstrate a continuous change of the lattice periodicity … orbit easy dial water timerWebThe actual technical implementation of conventional interferometers is quite complex and requires manual manufacturing. In combination with the required construction space defined by the optical setup, their applications are limited to selected measuring tasks. In contrast, Standing Wave Interferometers (SWIs) offer an enormous potential for … orbit easy set logic timer manualWebNov 24, 2014 · Recently, optical trapping of a single ion has been demonstrated, first in a single-beam dipole trap, superimposed by a static electric potential 34, 35. Subsequently, all-optical trapping of... ipod speaker dock bluetoothWebAn optical lattice is a periodic optical structure created by standing wave laser beams that give rise to the optical potential felt by the atoms in which cooled atoms are trapped (see … ipod speaker dock with rechargeable battery