TITLE

Experimental study of the optical gain and loss in InAs/GaInSb interband cascade lasers

AUTHOR(S)
Suchalkin, S.; Bruno, J.; Tober, R.; Westerfeld, D.; Kisin, M.; Belenky, G.
PUB. DATE
August 2003
SOURCE
Applied Physics Letters;8/25/2003, Vol. 83 Issue 8, p1500
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Optical gain and loss have been measured in type II InAs/GaInSb interband cascade lasers operating in the 3.4–3.6 μm wavelength range. The maximum temperature of cw operation was found to be limited by strong gain saturation due to active region overheating, while the temperature increase of the total optical loss was relatively small. In devices with a longer lasing wavelength and a thinner substrate-side cladding layer, a strong periodic modulation of the optical gain spectra was observed. This effect is consistent with resonant optical leakage into the substrate. © 2003 American Institute of Physics.
ACCESSION #
10603858

 

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