Circularly polarized high harmonic generation through virtual circular birefringence

Liran Hareli*, Gavriel Lerner, Oren Cohen, Alon Bahabad

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We suggest a macroscopic scheme for generating circularly polarized high harmonics. The scheme uses a superposition of circularly polarized pump beams with different spatial modes, realizing a perturbed linearly polarized field which rotates along the propagation axis due to virtual circular birefringence. This method provides a spectral selectivity for the harmonic orders which are generated efficiently and for their spacing. The scheme is investigated numerically with a good agreement with the theory.

Original languageEnglish
Article number221106
JournalApplied Physics Letters
Volume118
Issue number22
DOIs
StatePublished - 31 May 2021
Externally publishedYes

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