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Proceedings Paper

Comparative analysis of WO3 nanospheres and TiO2 nanotubes as saturable absorber for applications in passive mode-locked laser
Author(s): P. Zaca-Morán; F. Chavéz; G. Beltrán-Pérez; J. G. Ortega; C. Felipe; O. Goiz; R. Grajales-Coutiño; A. González-García
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Paper Abstract

Experimental studies of titania nanotubes (TiO2) and tungsten oxide nanospheres (WO3) as devices of saturable absorption for a fiber laser in ring configuration to optical short-pulse generation are presented. A deposition technique, based on optical pressure radiation generated from a coherent source at 1550 nm is used to deposit the nanostructured materials. Since this nanomaterials can be deposited directly on the optical fiber, this proposal results very interesting for applications of saturable absorbers. Experimental results, by using nanotubes TiO2 and nanospheres deposited on the fiber as a saturable absorption device, show that the TiO2 nanotubes exhibit better saturable absorption properties than WO3 nanospheres, generating pulses with a wavelength of 1550 nm, frequency of 10 MHz, temporally width of 4.5 ps and an output power of 1 mW.

Paper Details

Date Published: 14 October 2010
PDF: 6 pages
Proc. SPIE 7839, 2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF-2), 78391T (14 October 2010); doi: 10.1117/12.868252
Show Author Affiliations
P. Zaca-Morán, Benemérita Univ. Autónoma de Puebla (Mexico)
F. Chavéz, Benemérita Univ. Autónoma de Puebla (Mexico)
G. Beltrán-Pérez, Benemérita Univ. Autónoma de Puebla (Mexico)
J. G. Ortega, Benemérita Univ. Autónoma de Puebla (Mexico)
C. Felipe, Instituto Politécnico Nacional (Mexico)
O. Goiz, Instituto Politécnico Nacional (Mexico)
R. Grajales-Coutiño, Ctr. de Investigaciones en Óptica, A.C. (Mexico)
A. González-García, Ctr. de Investigaciones en Óptica, A.C. (Mexico)


Published in SPIE Proceedings Vol. 7839:
2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF-2)
Juan Hernández-Cordero; Ismael Torres-Gómez; Alexis Méndez, Editor(s)

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