Abstract
The temperature dependence of the dynamic performance of p-doped InAs/GaAs quantum-dot distributed feedback (DFB) lasers emitting at 1.3 μm is investigated. A maximum relaxation frequency of ∼ 7 GHz is demonstrated for a constant bias current over the whole 25 °C-85 °C temperature range. The Henry factor is temperature independent and remains constant at ∼ 2.5. The effect of external optical feedback is assessed on the same device in a 10-Gb/s transmission over 20 km.
| Original language | English |
|---|---|
| Article number | 5713230 |
| Pages (from-to) | 582-584 |
| Number of pages | 3 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 23 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 19 Apr 2011 |
| Externally published | Yes |
Keywords
- Coherence collapse
- optical feedback
- quantum dot (QD)
- semiconductor laser
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