Molecules in a bicircular strong laser field

  • Dino HabibovićEmail author
  • Aner Čerkić
  • Mustafa Busuladžić
  • Azra Gazibegović-Busuladžić
  • Senad Odžak
  • Elvedin Hasović
  • Dejan B. Milošević
Part of the following topical collections:
  1. Focus on Optics and Bio-photonics, Photonica 2017


Strong-field ionization of nonlinear planar triatomic molecules by a bicircular laser field is analyzed within the improved molecular strong-field approximation. Our calculations include additional interaction between the liberated electrons and atomic or ionic centers of the parent molecular ion. The used bicircular field consists of two counterrotating circularly polarized fields having angular frequencies \(r \omega\) and \(s \omega\), with integer r and s. In the case when the laser-field-polarization plane is parallel to the plane of the considered molecule (example of ozone molecule is analyzed), the corresponding photoelectron spectra are not rotationally symmetric. On the other hand, when these planes are mutually perpendicular, for the \((r\omega ,s\omega )=(\omega ,3\omega )\) bicircular field, the electron spectra satisfy the corresponding rotational symmetries. Analyzing the obtained spectra and the corresponding symmetries, one can extract information about molecular orientation and structure. This technique may also be useful for more complex polyatomic molecules.


Improved molecular strong-field approximation High-order above-threshold ionization Reflection and rotational symmetry 



Support by the Federal Ministry of Education and Science, Bosnia and Herzegovina, is gratefully acknowledged. This work was also supported in part by the Deutsche Forschungsgemeinschaft (DFG) within the Priority Programme Quantum Dynamics in Tailored Intense Fields (QUTIF).


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Authors and Affiliations

  1. 1.Faculty of ScienceUniversity of SarajevoSarajevoBosnia and Herzegovina
  2. 2.Max-Born-InstitutBerlinGermany
  3. 3.Faculty of MedicineUniversity of SarajevoSarajevoBosnia and Herzegovina
  4. 4.Academy of Sciences and Arts of Bosnia and HerzegovinaSarajevoBosnia and Herzegovina

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