Lasing dynamics of neutral nitrogen molecules in femtosecond filaments - Archive ouverte HAL Access content directly
Journal Articles Physical Review A : Atomic, molecular, and optical physics Year : 2016

Lasing dynamics of neutral nitrogen molecules in femtosecond filaments

(1) , (2) , (1) , (1) , (1, 3)
1
2
3
Pengji Ding
Aurélien Houard
André Mysyrowicz

Abstract

We investigate the dynamics of cavity-free lasing from neutral nitrogen molecules in femtosecond laser filaments. An important difference of intensity and temporal duration is observed between backward and forward lasing, in both amplified spontaneous emission and seed-amplification regimes. Numerical simulations based on a nonadiabatic Maxwell-Bloch model reproduce well the observations, and attribute these differences to the finite gain lifetime and the traveling excitation nature of this gas laser.
Not file

Dates and versions

hal-01419689 , version 1 (19-12-2016)

Identifiers

Cite

Pengji Ding, Eduardo Oliva, Aurélien Houard, André Mysyrowicz, Yi Liu. Lasing dynamics of neutral nitrogen molecules in femtosecond filaments. Physical Review A : Atomic, molecular, and optical physics, 2016, 94, pp.043824. ⟨10.1103/PhysRevA.94.043824⟩. ⟨hal-01419689⟩
76 View
0 Download

Altmetric

Share

Gmail Facebook Twitter LinkedIn More