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Proceedings Paper

1550-nm light amplification from erbium-doped silica glass waveguide written by femtosecond laser pulses
Author(s): Yigang Li; Zian He; Liying Liu; Lei Xu; Wencheng Wang
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Paper Abstract

Waveguides were written in Er-doped silica glasses by femtoscecond laser pulses. The waveguides exhibit a single mode at 632.8 nm with Gaussian profile and low propagation losses (<1dB over 4.8 mm). The optical properties like insertion losses and induced refractive index changes were measured and discussed. The optical gains at 1540 nm were measured as an active element in a standard waveguide amplifier setup. A maximum of 1dB internal gain at 200 mW, 976 nm pump were obtained.

Paper Details

Date Published: 14 June 2004
PDF: 6 pages
Proc. SPIE 5350, Optical Components and Materials, (14 June 2004); doi: 10.1117/12.532803
Show Author Affiliations
Yigang Li, Fudan Univ. (China)
Zian He, Fudan Univ. (China)
Liying Liu, Fudan Univ. (China)
Lei Xu, Fudan Univ. (China)
Wencheng Wang, Fudan Univ. (China)


Published in SPIE Proceedings Vol. 5350:
Optical Components and Materials
Michel J. F. Digonnet; Shibin Jiang, Editor(s)

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