Designer femtosecond pulse shaping using grating-engineered quasi-phase-matching in lithium niobate

The generation of tailored femtosecond pulses with fully engineered intensity and phase profiles is demonstrated using second-harmonic generation of an Er:fiber laser in an aperiodically poled lithium niobate crystal in the undepleted pump regime. Second-harmonic pulse shapes, including Gaussian, st...

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Bibliographic Details
Published in:Optics letters 2008-02, Vol.33 (4), p.378-380
Main Authors: KORNASZEWSKI, Lukasz, KOHLER, Markus, SAPAEV, Usman K, REID, Derryck T
Format: Article
Language:English
Subjects:
Exact sciences and technology
Frequency conversion
harmonic generation, including high-order harmonic generation
Fundamental areas of phenomenology (including applications)
Nonlinear optics
Optics
Physics
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Summary:The generation of tailored femtosecond pulses with fully engineered intensity and phase profiles is demonstrated using second-harmonic generation of an Er:fiber laser in an aperiodically poled lithium niobate crystal in the undepleted pump regime. Second-harmonic pulse shapes, including Gaussian, stepped, square, and multiple pulses have been characterized using cross-correlation frequency-resolved optical gating and have been shown to agree well with theory.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.33.000378