Fabrication of photonic devices in nanostructured glasses by femtosecond laser pulses
Author(s) -
Rebeca Martínez Vázquez,
Roberto Osellame,
Giulio Cerullo,
Roberta Ramponi,
O. Svelto
Publication year - 2007
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.15.012628
Subject(s) - femtosecond , materials science , fabrication , optics , refractive index , laser , photonics , optoelectronics , diffraction grating , diffraction efficiency , diffraction , grating , medicine , physics , alternative medicine , pathology
Focused femtosecond laser pulses have been used to modify the optical properties of glass doped with CdSxSe1-x nanocrystals. Large positive refractive index changes have been observed and exploited for the fabrication of photonic devices. In particular, we report on highly confining optical waveguides and single and multi-layer volume diffraction gratings.
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