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Emission of 1.38 μm and gain properties from Ho3+ -doped low-phonon-energy gallate bismuth lead oxide glasses for fiber-optic amplifiers

  • Bo Zhou
  • , Hai Lin
  • , Dianlai Yang
  • , Edwin Yue-Bun Pun*
  • *Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

Efficient emission at 1.38 mu m wavelength from holmium (Ho3+)-doped low-phonon-energy gallate bismuth lead (GBL) oxide glasses, owing to the Ho3+: (5S2, 5F4) → 5I5 transition, was observed, and the stimulated emission cross section was calculated to be 2.4 x 10-21 cm2. Population inversions between the (5S25F4) and 5I5 levels have been achieved, and a broad gain bandwidth from 1350 to 1450 nm was obtained. The large product of emission cross section and measured lifetime also support this characteristic. The results indicate that a Ho3+ -doped GBL glass system is a promising candidate for the development of E-band (1360-1460 nm) fiber-optic amplifiers. © 2010 Optical Society of America

Original languageEnglish
Pages (from-to)211-213
JournalOptics Letters
Volume35
Issue number2
Online published14 Jan 2010
DOIs
Publication statusPublished - 15 Jan 2010

Funding

The authors would like to acknowledge the assistance of Dr. Lihui Huang. This work was supported by the Research Grants Council of the Hong Kong Special Administrative Region, China (grant CityU 1197/08).

Research Keywords

  • SPECTROSCOPIC PROPERTIES
  • LASER
  • HO3+

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