摘要
The dynamic properties of uniformly and chirpily stacked InAs-InGaAs-GaAs quantum dot lasers are analyzed in terms of relative intensity noise spectra. For uniformly stacked quantum dot laser with ground-state lasing emissions of 1.3 μm, the K-factor limited bandwidth is 13 GHz. The extracted differential gain and gain compression factor are 1.7 × 10 - 15 cm 2 and 2 × 10 - 16 cm 3 , respectively. For chirpily stacked quantum dot laser with excited-state lasing emissions of 1.2 \mu m, the K -factor limited bandwidth is 14 GHz. Yet the nonproportional dependence between resonance frequency and square root of incremental current yields differential gain of 4.3 × 10 - 15 cm 2 and huge gain compression factor of 1.4 × 10 - 14 cm 3.
| 原文 | English |
|---|---|
| 文章編號 | 6105497 |
| 頁(從 - 到) | 331-336 |
| 頁數 | 6 |
| 期刊 | Journal of Lightwave Technology |
| 卷 | 30 |
| 發行號 | 3 |
| DOIs | |
| 出版狀態 | Published - 1 2月 2012 |
指紋
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