High power diode-pumped 27-μm Er^3+:Y_2O_3 laser with nearly quantum defect-limited efficiency
✍ Scribed by Sanamyan, T.; Kanskar, M.; Xiao, Y.; Kedlaya, D.; Dubinskii, M.
- Book ID
- 115414099
- Publisher
- Optical Society of America
- Year
- 2011
- Tongue
- English
- Weight
- 946 KB
- Volume
- 19
- Category
- Article
- ISSN
- 1094-4087
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Reported here is the first cryogenically-cooled performance of Er 3+ -doped Y2O3 laser based on 4 I 11/2 → 4 I 13/2 transitions. Laser material was diode-pumped directly into an upper laser manifold 4 I 11/2 in order to minimize quantum defect of this Mid-IR laser. CW output power of over 1.6 W at ∼
We report relevant spectroscopy and efficient diodepumped ∼ 2.7-μm laser operation of Er 3+ :Y2O3 ceramic resonantly pumped into upper laser level 4 I 11/2 . This is believed to be the first laser demonstration based on 4 I 11/2 → 4 I 13/2 transitions of Er 3+ in Y2O3. Emission cross section, ×10 -1