Characteristics of microwave photonic signal generation using vertical-cavity surfaceemitting lasers with optical injection and feedback
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Characteristics of microwave photonic signal generation based on P1 dynamic in an optically injected vertical-cavity surface-emitting laser are studied systematically. The evolutions of the linewidth, power and second harmonic ratio of the generated microwave are investigated as a function of injection strength and frequency detuning. The effect of optical feedback on the linewidth and the phase noise of the generated microwave photonic signal is also studied in detail. With the help of optical feedback, the linewidth can be effectively reduced by increasing the feedback strength and feedback delay time. However, there is an optimal feedback delay time to minimize the phase noise
| Original language | English |
|---|---|
| Pages (from-to) | 1394-1400 |
| Journal | Journal of the Optical Society of America B: Optical Physics |
| Volume | 37 |
| Issue number | 5 |
| Early online date | 21 Apr 2020 |
| DOIs | |
| Publication status | Published - 1 May 2020 |
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