Characterization of arbitrarily polarized ultrashort pulses using frequency-resolved optical gating

Angel Gomez-Iglesias; J. J. Ferreiro; R. Romero; Elena Lopez Lago; Raul de la Fuente

doi:10.1117/12.437059

14 August 2001 Characterization of arbitrarily polarized ultrashort pulses using frequency-resolved optical gating

Angel Gomez-Iglesias, J. J. Ferreiro, R. Romero, Elena Lopez Lago, Raul de la Fuente

Proceedings Volume 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications; (2001) https://doi.org/10.1117/12.437059
Event: IV Iberoamerican Meeting of Optics and the VII Latin American Meeting of Optics, Lasers and Their Applications, 2001, Tandil, Argentina

Abstract

We discuss two alternative solutions to the ultrashort pulse characterization problem. A numerical study is developed comparing their performance when facing the amplitude and phase retrieval of arbitrarily polarized pulses. Both algorithms are based on Frequency Resolved Optical Gating (FROG) with the use of Second Harmonic Generation (SHG) and the method of Generalized Projections. One of them allows to characterize both components of the pulse after transforming it into a linearly-polarized double pulse while the other one makes possible to retrieve directly the full amplitude and phase evolution of two unknown components (BLIND FROG). We conclude, after some numerical testing, that both algorithms allow an accurate retrieval, even in presence of noise, in a reasonably short computing time.

Citation Download Citation

Angel Gomez-Iglesias, J. J. Ferreiro, R. Romero, Elena Lopez Lago, and Raul de la Fuente "Characterization of arbitrarily polarized ultrashort pulses using frequency-resolved optical gating", Proc. SPIE 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications, (14 August 2001); https://doi.org/10.1117/12.437059

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