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 (5S2, 5F4) 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 language | English |
|---|---|
| Pages (from-to) | 211-213 |
| Journal | Optics Letters |
| Volume | 35 |
| Issue number | 2 |
| Online published | 14 Jan 2010 |
| DOIs | |
| Publication status | Published - 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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