Abstract
In this letter, we report tunable operation of a gain-switched diode laser by nonresonant self-injection seeding from an uncoated glass slide used as an external cavity reflector. A spectral linewidth reduction from 11 to 0.05 nm has been achieved for picosecond pulses with little effect on other laser characteristics. Good agreement with numerical simulations based on a compound-cavity laser model is also reported.
| Original language | English |
|---|---|
| Pages (from-to) | 1158-1160 |
| Number of pages | 3 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 13 |
| Publication status | Published - Nov 2001 |
Keywords
- optical feedback
- optical modulation
- semiconductor laser
- tunable circuits and devices
- ultrafast optics
- FABRY-PEROT LASER
- GENERATION
- PULSES
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