Self-organized quasi-phase-matched second harmonic generation in isotropic optical fibers

Pavel Chmela

doi:10.1117/12.34929

1 July 1990 Self-organized quasi-phase-matched second harmonic generation in isotropic optical fibers

Pavel Chmela

Proceedings Volume 1319, Optics in Complex Systems; (1990) https://doi.org/10.1117/12.34929
Event: 15th International Optics in Complex Systems, 1990, Garmisch, Germany

Abstract

Efficient second-harmonic generation (SHG) was recently observed in centrosymmetric doped glass f'ibrest'2. Two processes are important for forming gratings in doped fibres, namely, the excitation of dopant defects, and the creation and alignment of permanent dipoles in the fibre core. Positively and negatively charged color centers are assumed to be generated owing to two 3- or higher-order-photon absorption. Electric dipoles can be created within strings of interconnected dopant defects only3. It seems very likely that the dopant-defect strings are dominantly oriented along the fibre due to the layer structure of dopant distribution and the drawing process.

Citation Download Citation

Pavel Chmela "Self-organized quasi-phase-matched second harmonic generation in isotropic optical fibers", Proc. SPIE 1319, Optics in Complex Systems, (1 July 1990); https://doi.org/10.1117/12.34929

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