Long-lived High Power Optical Waveguides in Air

Wahlstrand, J. K.; Jhajj, N.; Rosenthal, Eric; Birnbaum, R.; Zahedpour, S.; Milchberg, H. M.

doi:10.1364/hilas.2014.hth2b.4

Cited by 3 publications

(6 citation statements)

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“…The first one is that the number of filaments is reduced significantly as a function of the distance [20]. The second trend was observed recently in [1][2][3][4][5] as mergers or four filaments in one (Rogue) wave. We think that both processes are connected and they are results of different types of nonlinear interaction.…”

Section: Numerical Simulationsmentioning

confidence: 64%

“…When two, three, four or higher number of filaments propagate in parallel and close trajectories, the interflow and observation of extreme events are reported [1][2][3][4][5]. These mergers, with the appearance of a strong filament, were called Rogue events during the filamentation process.…”

Section: Introductionmentioning

confidence: 99%

“…When the solitons are in phase there is an attraction, while, when they are with opposite phases, repulsion is observed. In the recent experiments [4,5] only mergers (without repulsion) between filaments have been observed. These fusions are closer to the incoherent Manakov type nonlinear interaction [10][11][12][13][14], and are based on one vector type nonlinearity.…”

Section: Introductionmentioning

confidence: 99%

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Influence of the four-photon parametric processes and cross-phase modulation on the relative motion of optical filaments

2015

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We investigate two types of nonlinear interaction between collinear femtosecond laser pulses with power slightly above the critical for self-focusing P cr . In the first case we study energy exchange between filaments. The model describes this process through a degenerate fourphoton parametric mixing (FPPM) scheme and requests initial phase difference between the waves. When there is no initial phase difference between the pulses, the FPPM process does not work. In this case the second type of interaction is obtained as merging between two, three or four filaments in a single filament with higher power. It is found that in the second case the interflow between the filaments has the potential for interaction due to cross-phase modulation (CPM).

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Section: Numerical Simulationsmentioning

confidence: 64%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Influence of the four-photon parametric processes and cross-phase modulation on the relative motion of optical filaments

2015

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“…The first one is that the number of filaments is reduced significantly as a function of the distance [18]. The second trend is observed recently in [1,2,[4][5][6] as mergers between two, tree or four filaments in one (Rogue) wave. We think that the both processes are connected and they are results of different types of nonlinear interaction.…”

Section: Numerical Simulationsmentioning

confidence: 73%

“…When two, three, four or higher number of filaments propagate in parallel and close trajectories, interflow and observation of extreme events are reported [1,2,[4][5][6]. These mergers, with appearing of a strong filament, were called Rogue events during the filamentation process.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear mechanisms to Rogue events in the process of interaction between optical filaments

Kovachev,

Georgieva

2015

Preprint

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We investigate two types of nonlinear interaction between collinear femtosecond laser pulses with power slightly above the critical for self-focusing Pcr. In the first case we study energy exchange between filaments. The model describes this process through degenerate four-photon parametric mixing (FPPM) scheme and requests initial phase difference between the waves. When there are no initial phase difference between the pulses, the FPPM process does not work. In this case it is obtained the second type of interaction as merging between two, three or four filaments in a single filament with higher power. It is found that in the second case the interflow between the filaments has potential of interaction due to cross-phase modulation (CPM).

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Merging and energy exchange between optical filaments

Georgieva

Kovachev

2015

AIP Conference Proceedings

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Long-lived High Power Optical Waveguides in Air

Cited by 3 publications

References 0 publications

Influence of the four-photon parametric processes and cross-phase modulation on the relative motion of optical filaments

Influence of the four-photon parametric processes and cross-phase modulation on the relative motion of optical filaments

Nonlinear mechanisms to Rogue events in the process of interaction between optical filaments

Merging and energy exchange between optical filaments

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