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- W4386388618 abstract "Abstract The polarization of high harmonics generated from current-carrying
state of nitric oxide (NO) molecules irradiated by linear laser fields is investigated
by numerically solving the three-dimensional time-dependent Schrödinger equation
(TDSE). It is found that the ellipticity of high harmonics is obviously dependent on
the polar angle between the driving laser polarization and molecular axis which is
interpreted by the strong field approximation model. Moreover, our results also show
that the helicity of near-threshold harmonics is opposite to that of plateau harmonics
when the molecule is at any polar angle. To analyze this phenomenon, we simulate
the dipole matrix element numerically. Finally, the attosecond pulses with opposite
helicities can be obtained by synthesizing near-threshold and plateau harmonics. The
ellipticity can be tuned by the alignment angle of molecules. Our work may provide a
theoretical guiding and detection tool for the electron dynamics of molecular current-
carrying states." @default.
- W4386388618 created "2023-09-03" @default.
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- W4386388618 date "2023-09-02" @default.
- W4386388618 modified "2023-09-29" @default.
- W4386388618 title "Elliptical high-order harmonic generation from current-carrying orbitals of prealigned molecules" @default.
- W4386388618 doi "https://doi.org/10.1088/1361-6455/acf632" @default.
- W4386388618 hasPublicationYear "2023" @default.
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