Effect of nonlinear optical three-wave interaction on the lasing parameters of a dual-wavelength vertical-external-cavity surface-emitting laser
| Autor: | Yu. A. Morozov, M. Yu. Morozov, I. V. Krasnikova |
|---|---|
| Rok vydání: | 2013 |
| Předmět: |
Materials science
Dye laser business.industry Slope efficiency Physics::Optics Statistical and Nonlinear Physics Laser Vertical-external-cavity surface-emitting-laser Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials law.invention Gain-switching Semiconductor Optics Quantum dot laser law Optoelectronics Electrical and Electronic Engineering business Lasing threshold |
| Zdroj: | Quantum Electronics. 43:871-874 |
| ISSN: | 1468-4799 1063-7818 |
| DOI: | 10.1070/qe2013v043n09abeh015192 |
| Popis: | The influence of nonlinear optical interaction in a semiconductor dual-wavelength vertical-external-cavity surface-emitting laser on the main parameters of dual-wavelength radiation and lasing in the long-wavelength part of the mid-IR range, obtained in this laser as a result of nonlinear wave mixing, is investigated. An increase in the pump power leads to saturation of the short-wavelength lasing intensity and to a more rapid rise in the long-wavelength lasing intensity in comparison with the linear increase in lasing intensity in these regions in the absence of nonlinear interaction. Under the conditions of nonlinear interaction, the carrier concentration in the active layers is not stabilised near the lasing threshold but changes with an increase in the pump intensity and provides the corresponding gain in the laser active region, thus maintaining steadystate lasing. Some ways for modifying the laser active region in order to obtain the most efficient lasing in the mid-IR range are proposed. |
| Databáze: | OpenAIRE |
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