Temperature characteristics of InGaAs/GaAs vertical cavity surface emitting laser
β Scribed by Hong-wei Qu; Xia Guo; Li-min Dong; Hong-hang Wang; Jun Deng; Peng Lian; De-shu Zhou; Guang-di Shen
- Book ID
- 105699340
- Publisher
- Tianjin University of Technology
- Year
- 2005
- Tongue
- English
- Weight
- 535 KB
- Volume
- 1
- Category
- Article
- ISSN
- 1673-1905
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Results on a vertical cavity surface emitting laser with InGaAs/GaAs quantum wells and a hybrid AIAs/GaAs Bragg reflector with a metal top mirror are presented. The structure has a threshold current density of 2.1kAcm -2 and a 6% external quantum efficiency (uncorrected for substrate absorption and
A laser operating at low threshold current is indispensable for the construction of superparallel optical interconnections. Initially we examine the current threshold characteristics of surface emitting InGaAs/GaAs lasers, and demonstrate the possibility for working with a threshold current below 10
The vertical-cavity surface-emitting laser (VCSEL) operating with low threshold current is a promising way to realize future parallel optical interconnects. In this study, we propose a novel structure of p-type delta-doped In-GaAs/GaAs quantum wells for low-threshold, high-speed VCSELs. Edge-emittin