Title

Three-dimensional direct femtosecond laser writing of second-order nonlinearities in glass

Authors

Authors

J. Choi; M. Bellec; A. Royon; K. Bourhis; G. Papon; T. Cardinal; L. Canioni;M. Richardson

Comments

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Abbreviated Journal Title

Opt. Lett.

Keywords

2ND-HARMONIC GENERATION; SILICA GLASS; CRYSTALS; PULSES; Optics

Abstract

We demonstrate that direct femtosecond laser writing in silver-containing zinc and gallium phosphate glass enables generation of three-dimensional (3D) optical second-order nonlinear microstructures having an. chi((2)) value about 2.5 times that of quartz. The proposed physical model involves photo-reduction, photo-dissociation, and migration of silver species within the glass matrix. 3D laser-written second-order nonlinear structures could become a new class of nonlinear optical components. (C) 2012 Optical Society of America

Journal Title

Optics Letters

Volume

37

Issue/Number

6

Publication Date

1-1-2012

Document Type

Article

Language

English

First Page

1029

Last Page

1031

WOS Identifier

WOS:000302212200014

ISSN

0146-9592

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