3 years ago

Significant Enhancement of ${\mathrm{N}}_{2}^{+}$ Lasing by Polarization-Modulated Ultrashort Laser Pulses

Significant Enhancement of ${\mathrm{N}}_{2}^{+}$ Lasing by Polarization-Modulated Ultrashort Laser Pulses
Helong Li, Mengyao Hou, Hongwei Zang, Yao Fu, Erik Lötstedt, Toshiaki Ando, Atsushi Iwasaki, Kaoru Yamanouchi, Huailiang Xu
We show that the intensity of self-seeded ${\mathrm{N}}_{2}^{+}$ lasing at 391 nm, assigned to the ${B}^{2}{\mathrm{Σ}}_{u}^{+}({v}^{′}=0)→{X}^{2}{\mathrm{Σ}}_{g}^{+}({v}^{′′}=0)$ emission, is enhanced by 2 orders of magnitude by modulating in time the polarization of an intense ultrashort near-IR (...

Publisher URL: http://link.aps.org/doi/10.1103/PhysRevLett.122.013202

DOI: 10.1103/PhysRevLett.122.013202

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