Abstract

We simulate and experimentally demonstrate deep ultraviolet generation from a 1550 nm laser source in a fully fiberized system by cascading second- and third-harmonic generation using a periodically poled silica fiber and an optical sub-micron diameter fiber. Harmonic generation is achieved by harnessing intermodal phase matching in optical microfibers and a permanent χ(2) induced via thermal poling. As a result, efficient nonlinear processes can be observed, despite the low third-order nonlinear susceptibility of silica glass.

© 2017 Optical Society of America

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Corrections

Yun Wang, Timothy Lee, Francesco De Lucia, Muhammad I. M. Abdul Khudus, Pier J. A. Sazio, Martynas Beresna, and Gilberto Brambilla, "All-fiber sixth harmonic generation of deep UV: erratum," Opt. Lett. 44, 5185-5185 (2019)
http://proxy.osapublishing.org/ol/abstract.cfm?uri=ol-44-21-5185

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