High-resolution methane spectroscopy using InGaAsSb/AlInGaAsSb laterally-coupled index-grating distributed feedback laser diode at 3.23 \u3bcm
- Gupta, J. A.
- Bezinger, A.
- Barrios, P. J.
- Lapointe, J.
- Poitras, D.
- Waldron, P.
DOIAbstract
A lateral etched-grating process was used to produce singlemode distributed feedback laser diodes at 3.23 \u3bcm. The devices are based on InGaAsSb/AlInGaAsSb type-I quantum well active regions grown on GaSb substrates by molecular beam epitaxy. The lasers were used in high-resolution spectroscopy of methane gas near the v3, R7 vibrational absorption transitions.Peer reviewed: YesNRC publication: Ye
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