Self-Guided Propagation of Ultrashort Laser Pulses in the Anomalous Dispersion Region of Transparent Solids: A New Regime of Filamentation - Archive ouverte HAL Access content directly
Journal Articles Physical Review Letters Year : 2013

Self-Guided Propagation of Ultrashort Laser Pulses in the Anomalous Dispersion Region of Transparent Solids: A New Regime of Filamentation

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Magali Durand
  • Function : Author
  • PersonId : 867366
Amélie Jarnac
Aurélien Houard
Yi Liu
  • Function : Author
  • PersonId : 4334
  • IdHAL : yi-liu
Stéphanie Grabielle
  • Function : Author
  • PersonId : 922501
Nicolas Forget
André Mysyrowicz

Abstract

We report measurements concerning the propagation of femtosecond laser pulses in fused silica with a wavelength at 1.9 μm falling in the negative group velocity dispersion region. Under sub-GW excitation power, stable filaments are observed over several cm showing the emergence of nonspreading pulses both in space and time. At higher excitation powers, one observes first multiple pulse splitting followed by the emergence of the quasispatiotemporal solitary filament. These results are well reproduced by numerical simulations.
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Dates and versions

hal-00852051 , version 1 (19-08-2013)

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Cite

Magali Durand, Amélie Jarnac, Aurélien Houard, Yi Liu, Stéphanie Grabielle, et al.. Self-Guided Propagation of Ultrashort Laser Pulses in the Anomalous Dispersion Region of Transparent Solids: A New Regime of Filamentation. Physical Review Letters, 2013, 110 (11), pp.115003. ⟨10.1103/PhysRevLett.110.115003⟩. ⟨hal-00852051⟩
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