| DOI | Trouver le DOI : https://doi.org/10.1364/OE.21.001317 |
|---|
| Auteur | Rechercher : Briggs, R.M.; Rechercher : Frez, C.; Rechercher : Bagheri, M.; Rechercher : Borgentun, C.E.; Rechercher : Gupta, J.A.1; Rechercher : Witinski, M.F.; Rechercher : Anderson, J.G.; Rechercher : Forouhar, S. |
|---|
| Affiliation | - Conseil national de recherches du Canada. Institut des sciences des microstructures du CNRC
|
|---|
| Format | Texte, Article |
|---|
| Sujet | Absorption lines; Current thresholds; Distributed-feedback; Gas detection; InGaAsSb; Isotopologues; Modal characteristics; Multi-quantum well structures; Output power; Second orders; Single longitudinal mode; Single mode; Single mode emission; Molecular beam epitaxy; Ridge waveguides; Semiconductor lasers; Distributed feedback lasers |
|---|
| Résumé | We demonstrate index-coupled distributed-feedback diode lasers at 2.65 μm that are capable of tuning across strong absorption lines of HDO and other isotopologues of H2O. The lasers employ InGaAsSb/AlInGaAsSb multi-quantum-well structures grown by molecular beam epitaxy on GaSb, and single-mode emission is generated using laterally coupled second-order Bragg gratings etched alongside narrow ridge waveguides. We verify nearcritical coupling of the gratings by analyzing the modal characteristics of lasers of different length. With an emission facet anti-reflection coating, 2-mm-long lasers exhibit a typical current threshold of 150 mA at 20 °C and are capable of emitting more than 25 mW in a single longitudinal mode, which is significantly higher than the output power reported for losscoupled distributed-feedback lasers operating at similar wavelengths. © 2013 Optical Society of America. |
|---|
| Date de publication | 2013 |
|---|
| Dans | |
|---|
| Langue | anglais |
|---|
| Publications évaluées par des pairs | Oui |
|---|
| Numéro NPARC | 21269831 |
|---|
| Exporter la notice | Exporter en format RIS |
|---|
| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
|---|
| Identificateur de l’enregistrement | feb1eff6-dd15-4a2e-8c33-1ec69e031e94 |
|---|
| Enregistrement créé | 2013-12-13 |
|---|
| Enregistrement modifié | 2020-04-22 |
|---|
