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Proceedings Paper

RE-ion and TM-ion doped silicate glasses for planar waveguide lasers & amplifiers
Author(s): Shaoxiong Shen; Caroline Anne Batchelor; Animesh Jha
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Paper Abstract

The paper compares the spectroscopic properties of RE-doped and transition-ion doped modified silicate glasses for their applications in broadband amplifiers and tunable lasers. The effect of structural modification with fluorine in Er-doped modified silicate is discussed by the reference of reduced Er-Er ion cross relaxation in the host. The measured lifetimes for the 4I13/24I15/2 transition at 1 mole percent in modified silicate glass samples having fluoride to oxide ratio (F/O) of 0.25 vary between 11 and 12 ms. The measured lifetime at room temperature is for 3T23A2 in Cr4+-doped silicate was 250 μs derived from a double exponential. The mechanisms for the prolonged lifetime of upper levels in both Er- and Cr-doped glasses are discussed.

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.524946
Show Author Affiliations
Shaoxiong Shen, Univ. of Leeds (United Kingdom)
Caroline Anne Batchelor, Univ. of Leeds (United Kingdom)
Animesh Jha, Univ. of Leeds (United Kingdom)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life

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