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Article Dans Une Revue Laser Physics Letters Année : 2020

Spatially multiplexed picosecond pulse-train generations through simultaneous intra-modal four wave mixing and inter-modal cross-phase modulation

H. Zhang
  • Fonction : Auteur
M. Bigot-Astruc
  • Fonction : Auteur
P. Sillard
  • Fonction : Auteur

Résumé

We report on the experimental generation of spatially multiplexed picosecond 40-GHz pulse trains at telecommunication wavelengths by simultaneous intra-modal multiple four wave mixing and intermodal cross-phase modulation in km-long bi-modal and 6-LP-mode graded-index few-mode fibers. More precisely, an initial beat-signal injected into the fundamental mode is first nonlinearly compressed into well-separated pulses by means of an intra-modal multiple four-wave mixing process, while several group-velocity matched continuous-wave probe signals are injected into higher-order modes in such a way to develop similar pulsed profile thanks to an intermodal cross-phase modulation interaction. Specifically, by simultaneously exciting three higher-order modes (LP11, LP02 and LP31) of a 6-LP-mode fiber along group-velocity matched wavelengths with the fundamental mode, four spatially multiplexed 40-GHz picosecond pulse-trains are generated at selective wavelengths with negligible cross-talks between all the modes.
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Dates et versions

hal-02527162 , version 1 (01-04-2020)

Identifiants

Citer

H. Zhang, M. Bigot-Astruc, P. Sillard, Julien Fatome. Spatially multiplexed picosecond pulse-train generations through simultaneous intra-modal four wave mixing and inter-modal cross-phase modulation. Laser Physics Letters, 2020, 17 (4), pp.045101. ⟨10.1088/1612-202X/ab7d3a⟩. ⟨hal-02527162⟩
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