Consiglio Nazionale Delle Ricerche

Sapienza Universitá Di Roma

National University of Singapore

Università Degli Studi Di Roma "La Sapienza"

Universidade Federal Do Rio De Janeiro

Università Degli Studi Di Napoli Federico Ii

Icfo - Institut De Ciencies Fotoniques

Fabio Sciarrino

Roberto Osellame

Lorenzo Marrucci

Andrea Crespi

Giacomo Corrielli

Vincenzo D'Ambrosio

Ying Li

Stephen Patrick Walbron

Nicolò Spagnolo

Mario Leando Aolita

Lorenzo Del Re

Sergei Slussarenko

Leong Chuan Kwek

Linda Sansoni

Paolo Mataloni

A method for realizing an optical waveguide in a substrate by means of a femtosecond laser system, the waveguide including a birefringence axis tilted by a predetermined angle for at least a segment, is disclosed. The method includes preparing a substrate including a free surface, focusing a femtosecond laser beam into the substrate, in order to induce a refractive index modification of a volume of such substrate around the focal region. The method further includes varying a propagation direction of the femtosecond laser beam to reach a propagation direction describing a predetermined non-vanishing angle with respect to the normal to the free surface of the substrate, and translating the focal region with respect to the substrate, in order to generate the waveguide segment.

Method for realizing an optical waveguide in a substrate by means of a femtosecond laser

Growing community of inventors

Naples, Italy

Fabio Sciarrino