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@ARTICLE{Wang:202644,
author = {Wang, W.-M. and Gibbon, P. and Sheng, Z.-M. and Li, Y.-T.},
title = {{T}unable {C}ircularly {P}olarized {T}erahertz {R}adiation
from {M}agnetized {G}as {P}lasma},
journal = {Physical review letters},
volume = {114},
number = {25},
issn = {1079-7114},
address = {College Park, Md.},
publisher = {APS},
reportid = {FZJ-2015-04834},
pages = {253901},
year = {2015},
abstract = {It is shown, by simulation and theory, that circularly
orelliptically polarized terahertz radiation can be
generated when astatic magnetic (B) field is imposed on a
gas target along thepropagation direction of a two-color
laser driver. The radiationfrequency is determined by
$\sqrt{\omega_p^2+{\omega_c^2}/{4}} +{\omega_c}/{2}$, where
$\omega_p$ is the plasma frequency and$\omega_c$ is the
electron cyclotron frequency. With the increase ofthe B
field, the radiation changes from a single-cycle
broadbandwaveform to a continuous narrow-band emission. In
high-B-fieldcases, the radiation strength is proportional
to$\omega_p^2/\omega_c$. The B field provides a tunability
in theradiation frequency, spectrum width, and field
strength.},
cin = {JSC},
ddc = {550},
cid = {I:(DE-Juel1)JSC-20090406},
pnm = {511 - Computational Science and Mathematical Methods
(POF3-511)},
pid = {G:(DE-HGF)POF3-511},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000356667200005},
doi = {10.1103/PhysRevLett.114.253901},
url = {https://juser.fz-juelich.de/record/202644},
}