Temat: 32.80.Qk - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Entropy associated with local stabilization of the pulse area in multilevel atomic media
Autorzy:: Alhasan, A.
Powiązania:: https://bibliotekanauki.pl/articles/1050884.pdf
Data publikacji:: 2018-05
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 02.50.-r
42.50.Gy
42.50.Hz
32.80.Qk
32.10.Fn
Opis:: This paper provides an entropy analysis to resonant and short pulses propagation in four-level atomic medium. As an example, we take D_{1} transition in rubidium ^{87}Rb atoms including hyperfine structure. We show how to construct the time dependent Bloch-metric for each optical transition in the Liouville space. Furthermore, we attempt to relate local stabilization of the pulse area to the distribution of the space-entropy.
Źródło:: Acta Physica Polonica A; 2018, 133, 5; 1205-1214
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Low-Speed and Suspended Propagation of Light Pulses in Atomic Medium with Electromagnetically Induced Transparency
Autorzy:: Dziczek, D.
Ziętek, B.
Chwirot, S.
Powiązania:: https://bibliotekanauki.pl/articles/2038170.pdf
Data publikacji:: 2004-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 32.80.Qk
42.25.Bs
42.50.Gy
Opis:: Experiments on hot rubidium vapor as an atomic medium with electromagnetically induced transparency for radiation of 795 nm wavelength (D1 absorption line of rubidium) are reported. Propagation of light pulses with velocity reduced to 11.5 km/s has been observed with a significant modification of the shape of square input pulses to adapt to the spectral window of induced transparency. So-called light storage, i.e. suspension of the propagation of light pulses in the medium by temporary turn-off of the electromagnetically induced transparency state was also demonstrated. "Storage" periods of several microseconds, limited by relatively fast relaxation of atomic spin polarization in the volume of interaction of atoms with radiation, were obtained.
Źródło:: Acta Physica Polonica A; 2004, 106, 1; 13-23
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 3.

Tytuł:: Classical Control of Quantized Fields: Cavity Qed and the Photon Pistol
Autorzy:: Eberly, J. H.
Law, C. K.
Powiązania:: https://bibliotekanauki.pl/articles/1968508.pdf
Data publikacji:: 1998-01
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 42.50.Dv
42.50.Ct
32.80.Qk
Opis:: By using the double-lambda configuration of energy levels and three classical fields, an atom or ion in a high-Q resonant cavity can be manipulated to create a single-mode quantum state in the cavity that is an arbitrary combination of Fock states for that mode. The same principles of operation can be applied to a cavity with much lower Q in order to produce a "photon pistol", a device that "shoots" one and only one photon when a trigger is pulled, and emits no photons at other times.
Źródło:: Acta Physica Polonica A; 1998, 93, 1; 55-62
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 4.

Tytuł:: Processing of Integral-Skin Cellular Polymeric Composites in Rapid Rotational Foam Molding
Autorzy:: Pop-Iliev, R.
Powiązania:: https://bibliotekanauki.pl/articles/1503503.pdf
Data publikacji:: 2011-08
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 47.32.Ef
81.20.Hy
82.70.Rr
47.57.Bc
83.80.Iz
83.80.Sg
61.25.hk
47.85.md
81.05.Qk
83.80.-k
Opis:: In order to survive the competition, the processing cycle time and the energy consumption of the rotational foam molding process must be reduced to a fraction of its current levels without compromising product quality. This paper introduces a novel extrusion-assisted rotational foam molding process for the manufacture of rotational moldings having adjacent, but clearly distinct, layers of an integrated solid (non-cellular) skin boundary layer encapsulating a cellular core structure, consisting of identical or compatible polyolefin grades, that achieves significant savings in processing cycle time duration and energy consumption. It introduces non-chilled extruded foam as a foamed core-forming material, in real time, directly into a uni-axially rotating hot mold through a dedicated mold "injection" port onto the already formed un-foamed soft skin layer.
Źródło:: Acta Physica Polonica A; 2011, 120, 2; 292-297
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 5.

Tytuł:: Stark-Chirped Rapid Adiabatic Passage in a Multilevel Atom
Autorzy:: Radonjić, M.
Jelenković, B.
Powiązania:: https://bibliotekanauki.pl/articles/1791192.pdf
Data publikacji:: 2009-10
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 32.80.Qk
32.80.Xx
33.80.Be
Opis:: We generalize Stark-chirped rapid adiabatic passage to the case of a multilevel atom. The atom is assumed to have two ground state levels g and f and an excited level e. The adiabatic passage is carried out by resonantly driving the g-e and f-e transitions with time-dependent pump and Stokes fields in the presence of strong far-off-resonant Stark field. Our formalism determines the states that participate in population transfer and is applicable to systems with arbitrary numbers of degenerate states in each level and arbitrary couplings of the g-e and f-e transitions. We give an application to adiabatic passage in Rb atom.
Źródło:: Acta Physica Polonica A; 2009, 116, 4; 476-478
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

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