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Coexistence of Coherent Pulses Formed by Superradiant and Quasi-Stationary Modes in a Laser with Low-Q Cavity
We perform numerical simulation and qualitative analysis of the earlier-predicted simultaneous generation of different quasiperiodic pulse trains in a continuously pumped multimode superradiant laser with self-locking of some modes. For typical parameters of a superradiant gain medium with a strong...
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| Published in: | Radiophysics and quantum electronics 2021-04, Vol.63 (11), p.887-907 |
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| Main Authors: | , , , , |
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| container_end_page | 907 |
| container_issue | 11 |
| container_start_page | 887 |
| container_title | Radiophysics and quantum electronics |
| container_volume | 63 |
| creator | Kocharovskaya, E. R. Mishin, A. V. Seleznev, A. F. Kocharovsky, V. V. Kocharovsky, Vl. V. |
| description | We perform numerical simulation and qualitative analysis of the earlier-predicted simultaneous generation of different quasiperiodic pulse trains in a continuously pumped multimode superradiant laser with self-locking of some modes. For typical parameters of a superradiant gain medium with a strong inhomogeneous broadening of the spectral line, the main features of the dynamic spectra of the generated modes and the statistics of the mode-formed pulses have been revealed in a number of typical examples of the combined low-Q Fabry–Perot cavities with distributed feedback of waves. Lasers with both essentially asymmetric and almost symmetric spectra of modes are considered. In the most interesting case of moderate exceeding of the lasing threshold, the spectrum consists of two superradiant and a large number of quasi-stationary modes and corresponds to the comparable (in terms of power) sequences of superradiant pulse trains and soliton-like pulses of locked modes. |
| doi_str_mv | 10.1007/s11141-021-10102-x |
| format | article |
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| subjects | Analysis Astronomy Astrophysics and Astroparticles Fabry-Perot interferometers Hadrons Heavy Ions Holes Lasers Line spectra Locking Mathematical and Computational Physics Nuclear Physics Numerical analysis Observations and Techniques Optical Devices Optics Photonics Physics Physics and Astronomy Qualitative analysis Quantum Optics Questions and answers Simulation methods Solitary waves Theoretical |
| title | Coexistence of Coherent Pulses Formed by Superradiant and Quasi-Stationary Modes in a Laser with Low-Q Cavity |
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