resonant pumping
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2021 ◽  
Vol 2086 (1) ◽  
pp. 012133
Author(s):  
S N Bagayev ◽  
V A Averchenko ◽  
I A Chekhonin ◽  
M A Chekhonin ◽  
I M Balmaev ◽  
...  

Abstract We have experimentally studied for the first time a new operation principle of the coherent diffractional pulse shaper (Rabi shaper). In the experiment, we observed an effect of tunable pulse shaping of nanosecond semiconductor laser pulse during the resonant pumping of the D2 line (780.24 nm) of 87Rb vapor in the range of self-diffraction angles φ = ± 4°. We observed the synthesis of nanosecond 0π-pulses at the small length of the nonlinear interaction 0.1…1 mm. We propose to use the Rabi shaper as an energy efficient tunable shaper of classical and single-photon wave packets. We analyze a possibility of the Rabi shaper operation in quantum systems with feedback.


Author(s):  
Andrey N. Volobuev ◽  
Aleksandr M. Shterenberg ◽  
Pavel K. Kuznetsov

The problems connected to propagation of a gravitational field are considered. The law of electromagnetic radiation frequency change in gravitational field is shown. The problem of a gravitational field quantization is investigated. Energy of a graviton is found by two ways. First, on the basis of use quantum gravitational eikonal and Lagrangian of a gravitational field the energy of a solitary graviton is found. It is shown that graviton has the mass proportional to its frequency. Second, due to refusal from symmetric stresses tensor in structure of an energy-impulse tensor the quantum form of the energy-impulse tensor in Einstein's equation is found. It has allowed found the energy of a solitary graviton. Both ways of an energy graviton finding has given the identical result. It is shown that the solution of the Einsteins equation with use of the quantum form of an energy-impulse tensor for the certain direction represents the sum of a gravitational wave and a graviton. It is found out that at approach of a graviton to the massive bodies (double stars) radiating gravitational waves there is a resonant pumping of the gravitational field energy of these bodies to the gravitons with increase in their mass and frequency. It enables registration of the gravitons with the help of the detector located near to massive bodies. The assumption is made that dark energy of a gravitational field is all set of the graviton energies of a space.


2020 ◽  
Vol 125 (15) ◽  
Author(s):  
R. V. Mikhaylovskiy ◽  
T. J. Huisman ◽  
V. A. Gavrichkov ◽  
S. I. Polukeev ◽  
S. G. Ovchinnikov ◽  
...  

OSA Continuum ◽  
2018 ◽  
Vol 1 (2) ◽  
pp. 651
Author(s):  
S Arun ◽  
V Balaswamy ◽  
G. Chayran ◽  
V. R. Supradeepa

2018 ◽  
Vol 1092 ◽  
pp. 012070
Author(s):  
Yury Krivosenko ◽  
Ivan Iorsh ◽  
Ivan Shelykh
Keyword(s):  

2018 ◽  
Vol 43 (7) ◽  
pp. 1431 ◽  
Author(s):  
Xiaoxi Jin ◽  
Elizabeth Lee ◽  
Jiaqi Luo ◽  
Biao Sun ◽  
Vincent Ramalingam ◽  
...  

2017 ◽  
Vol 35 (20) ◽  
pp. 4540-4546 ◽  
Author(s):  
Leonid V. Kotov ◽  
Svetlana S. Aleshkina ◽  
Maksim M. Khudyakov ◽  
Mikhail M. Bubnov ◽  
Oleg I. Medvedkov ◽  
...  

2016 ◽  
Vol 41 (10) ◽  
pp. 2362 ◽  
Author(s):  
Gwennaël Danion ◽  
Ludovic Frein ◽  
Denis Bacquet ◽  
Grégoire Pillet ◽  
Stéphanie Molin ◽  
...  

2016 ◽  
Author(s):  
H. Fritsche ◽  
O. Lux ◽  
M. Gaertner ◽  
A. Grohe ◽  
W. Gries ◽  
...  

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