Abstract
Spectral linewidth measurements of 1.55 μm InGaAlAs/InP vertical-cavity surface-emitting lasers (VCSELs) employing a buried tunnel junction are reported. A narrow linewidth around 28 MHz was obtained at a power level of 0.5 mW using the self-heterodyne method, and an estimation for the linewidth enhancement factor is given.
| Original language | English |
|---|---|
| Pages (from-to) | 1728-1729 |
| Number of pages | 2 |
| Journal | Electronics Letters |
| Volume | 39 |
| Issue number | 24 |
| DOIs | |
| State | Published - 27 Nov 2003 |
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