Quantum variables for Atoms and Light
Atoms in complex twisted light
... twisted light, is now a well-established and a growing branch of optical physics with a number of important applications and significant inter- disciplinary ...of light can exert a controllable influence on ...
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RETRACTED:Generation of Bright Squeezed Light from N Three Level Atoms Pumped by a Coherent Light: Open Quantum System
... a quantum optical device in which light is generated by three-level atoms in a cavity usually coupled to a vacuum reservoir via a single-port ...three-level atoms initially prepared in a ...
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Spontaneous light-mediated magnetism in cold atoms
... thermal atoms is typically too low to observe direct magnetic interactions between atoms in different Zeeman ...diffractive light propagation in a feedback scheme as sketched in ...
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Storing light with subradiant correlations in arrays of atoms
... cold atoms that store the light excitation are confined in a planar lattice, providing a protection against nonradiative losses–that typically are a common hindrance to observation of sub- ...the ...
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Dissipative solitons in the coupled dynamics of light and cold atoms
... coupled light-matter structures in a controllable way by inducing localized structures in atomic ...K). Light from a red-detuned (and spatially homogeneous) pump beam would then be guided towards high ...
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Atom light couplers with one, two and ten billion atoms
... networked quantum systems. Quantum atom-light couplers require the efficient and re- versible interaction of atomic and optical qubits, but the natural interaction of atoms and photons is ...
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Light induced atomic desorption in a compact system for ultracold atoms
... non-resonant light to desorb atoms from the walls of the vacuum chamber 16–22 ...as light-induced atomic desorption (LIAD) 23 , can be seen as the atomic analogue of the photoelectric ...The ...
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Atoms Absorb & Emit Light
... • When atom absorbs photon, energy of photon promotes electron to higher energy. • Q3: An atom with electron in L3 emits photon[r] ...
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Trapped atoms in cavity QED for quantum optics and quantum information
... Turning now to some quantitative details, the sideband used for locking the physics cavity con- tained about 7 nW of output power according to the most recent measurement. Although a good measurement of the cavity ...
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Quantum optics and cavity QED Quantum network with individual atoms and photons
... in quantum communication and quantum networking over larger distances where low-temperature links cannot so easily be ...versatile quantum light source that can be used to exchange energy and ...
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Quantum interference in the field ionization of Rydberg atoms
... Excitation of the Rydberg states is done in three steps [36]. The 5p 3/2 state is populated by the trapping lasers, which are left on during the entire experimental cycle. The 5p 3/2 → 5d 5/2 transition is driven by a ...
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Cold atoms for deterministic quantum computation with one qubit
... trapping light in exactly the right place relative to the dipole lens will be quite ...fluorescent light being approximately collimated as it passes through the ...
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Quantum nonlinear optics using cold Rydberg atoms
... decades: quantum communication, 2–4 metrology beyond the standard quantum limit 5 and quantum ...ideal quantum particle as they robustly and quickly carry information, and techniques to ...
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Quantum nature of laser light
... Laser light In a laser there are mechanisms for exciting atoms, allowing the atoms to lase and for the light to escape from the ...of atoms and the atom-field ...
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Notes Q - Quantum mechanics - making and probing atoms and molecules
... We saw a few chapters ago that the heavier the mass being moved, the closer the spacing of energy levels. This is why electronic states are quite far apart in energy, corresponding the visible or UV light by the ...
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Alkaline-Earth-Metal Atoms as Few-Qubit Quantum Registers
... Finally, in Sr, resonant scattering gives p & 0.1 due to the large Q. Turning now to the second approach (B = 0 and large ∆), for Yb, Ca, and Sr, (∆, Ω)/(2π GHz) = (15, 0.2), (6, 0.07), and (3, 0.04), respectively, give ...
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Sub-kilohertz excitation lasers for quantum information processing with Rydberg atoms
... Light from the two Rydberg master lasers (A and B) is com- bined on a polarizing beam splitter (PBS) with orthogonal polarization and coupled into the cavity using a dichroic mirror (DM) to separate the incident ...
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A surface-patterned chip as a strong source of ultracold atoms for quantum technologies
... input light beam diffracting from anywhere on grating chips C or D automatically creates a three-dimensional body-centred-cubic lattice of microscopic atom traps which, for suitable far red-detuned light, ...
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Microscopic Optical Trapping of Ultracold Neutral Atoms for Applications in Quantum Information
... of atoms in the MOT can be measured by detecting the fluorescence emitted by the Rb atoms in the MOT using some imaging apparatus such as a ...stray light such as from slight reflections of the ...
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Quantum information with atoms and photons in a cavity: entanglement, complementarity and decoherence studies
... in quantum gates has been so far achieved only in quantum optics, with two kinds of ...laser light and Coulomb interaction between the ...are atoms or single photons stored in a ...single ...
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