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We demonstrate ridge waveguide lasers based on AlInGaAs multiple quantum wells emitting at 1434 and 1541 nm on the same laser bar using quantum-well intermixing with dielectric capping layers. The internal quantum efficiencies are measured to be 61% and 72% and the internal losses are 49 and 23 cm-1 for lasers with intermixing promoted and inhibited, respectively. The characteristic temperatures are found to be approximately 50 K for lasers emitting around 1433 nm and 75 K for those emitting around 1541 nm.
Published in:
Photonics Technology Letters, IEEE
(Volume:23
,
Issue:
1
)
Date of Publication: Jan.1, 2011
- Page(s):
- 27 - 29
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 11704361
- Digital Object Identifier :
- 10.1109/LPT.2010.2090344
- Product Type:
- Journals & Magazines
- Date of Publication :
- 01 November 2010
- Date of Current Version :
- 20 December 2010
- Issue Date :
- Jan.1, 2011
- Sponsored by :
- IEEE Photonics Society
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