Abstract

We construct field shapes with distinct amplitude profiles that have nearly identical second-harmonic generation frequency-resolved optical gating (SHG FROG) traces. Although such fields are not true mathematical ambiguities, they result in experimentally indistinguishable FROG traces. These fields are neither time-reversed copies nor pulselets with a mere relative phase difference, which are well known nontrivial ambiguities for SHG FROG. We also show that for certain example fields, second-order interferometric autocorrelation is more sensitive to the pulse shape than is SHG FROG.

© 2007 Optical Society of America

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Corrections

Balakishore Yellampalle, KiYong Kim, and Antoniette J. Taylor, "Amplitude ambiguities in second-harmonic generation frequency-resolved optical gating: erratum," Opt. Lett. 33, 2854-2854 (2008)
https://www.osapublishing.org/ol/abstract.cfm?uri=ol-33-23-2854

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