Open AccessSelf-mixing interference effects of orthogonally polarized dual frequency laser
Author(s) -
Ligang Fei,
Shulian Zhang
Publication year - 2004
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/opex.12.006100
Subject(s) - optics , birefringence , interference (communication) , interferometry , mixing (physics) , laser , phase (matter) , four wave mixing , physics , laser linewidth , line (geometry) , materials science , nonlinear optics , channel (broadcasting) , geometry , electrical engineering , mathematics , quantum mechanics , engineering
The self-mixing interference in birefringent dual frequency laser is systematically studied for the first time. The output intensities of two orthogonal modes are both modulated by external cavity length, and their phase relationship is experimentally and theoretically demonstrated. When frequency difference is greater than line width of homogeneous broadening gain curve, the phase relationship is determined by phase difference of two modes. If the frequency difference is smaller than the line width, modes competion will play an important role. Our results can advance the research of self-mixing interferometer of orthogonally polarized dual frequency laser.