scholarly journals Partial stability of induced entanglement in an off-resonance qutrit-cavity system with nonlinear coupling and intrinsic decoherence

Author(s):  
A.-B. Mohamed ◽  
M.F. Yassen ◽  
H.A. Hessian
2019 ◽  
Vol 2019 ◽  
pp. 1-5
Author(s):  
Wenjun Hu ◽  
Gang Zhang ◽  
Zhongjun Ma ◽  
Binbin Wu

The multiagent system has the advantages of simple structure, strong function, and cost saving, which has received wide attention from different fields. Consensus is the most basic problem in multiagent systems. In this paper, firstly, the problem of partial component consensus in the first-order linear discrete-time multiagent systems with the directed network topology is discussed. Via designing an appropriate pinning control protocol, the corresponding error system is analyzed by using the matrix theory and the partial stability theory. Secondly, a sufficient condition is given to realize partial component consensus in multiagent systems. Finally, the numerical simulations are given to illustrate the theoretical results.


2021 ◽  
Vol 1913 (1) ◽  
pp. 012046
Author(s):  
Tarun Kumar ◽  
D.S. Gosain ◽  
Aranya B Bhattacherjee
Keyword(s):  

Nanophotonics ◽  
2020 ◽  
Vol 9 (15) ◽  
pp. 4505-4518
Author(s):  
Sarath Raman Nair ◽  
Lachlan J. Rogers ◽  
Xavier Vidal ◽  
Reece P. Roberts ◽  
Hiroshi Abe ◽  
...  

AbstractLaser threshold magnetometry using the negatively charged nitrogen-vacancy (NV−) centre in diamond as a gain medium has been proposed as a technique to dramatically enhance the sensitivity of room-temperature magnetometry. We experimentally explore a diamond-loaded open tunable fibre-cavity system as a potential contender for the realisation of lasing with NV− centres. We observe amplification of the transmission of a cavity-resonant seed laser at 721 nm when the cavity is pumped at 532 nm and attribute this to stimulated emission. Changes in the intensity of spontaneously emitted photons accompany the amplification, and a qualitative model including stimulated emission and ionisation dynamics of the NV− centre captures the dynamics in the experiment very well. These results highlight important considerations in the realisation of an NV− laser in diamond.


Author(s):  
I. A. Khodasevich ◽  
A. S. Grabtchikov ◽  
M. V. Korolkov ◽  
D. S. Mogilevtsev ◽  
E. V. Kolobkova
Keyword(s):  

2021 ◽  
Vol 118 (16) ◽  
pp. 164001
Author(s):  
T. Seidelmann ◽  
D. E. Reiter ◽  
M. Cosacchi ◽  
M. Cygorek ◽  
A. Vagov ◽  
...  

2017 ◽  
Vol 54 (5) ◽  
pp. 1877-1900 ◽  
Author(s):  
Hamed Faghanpour Ganji ◽  
Earl H. Dowell

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